/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 16:06:30,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 16:06:30,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 16:06:30,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 16:06:30,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 16:06:30,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 16:06:30,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 16:06:30,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 16:06:30,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 16:06:30,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 16:06:30,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 16:06:30,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 16:06:30,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 16:06:30,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 16:06:30,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 16:06:30,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 16:06:30,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 16:06:30,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 16:06:30,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 16:06:30,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 16:06:30,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 16:06:30,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 16:06:30,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 16:06:30,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 16:06:30,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 16:06:30,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 16:06:30,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 16:06:30,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 16:06:30,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 16:06:30,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 16:06:30,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 16:06:30,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 16:06:30,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 16:06:30,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 16:06:30,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 16:06:30,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 16:06:30,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 16:06:30,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 16:06:30,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 16:06:30,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 16:06:30,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 16:06:30,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-11 16:06:30,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 16:06:30,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 16:06:30,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 16:06:30,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 16:06:30,409 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 16:06:30,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 16:06:30,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 16:06:30,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 16:06:30,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 16:06:30,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 16:06:30,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 16:06:30,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 16:06:30,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 16:06:30,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 16:06:30,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 16:06:30,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 16:06:30,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 16:06:30,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 16:06:30,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 16:06:30,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 16:06:30,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 16:06:30,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 16:06:30,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 16:06:30,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 16:06:30,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 16:06:30,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 16:06:30,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 16:06:30,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 16:06:30,873 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 16:06:30,873 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 16:06:30,875 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-11 16:06:30,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f00c7bb3/57a443326ea24cb3af2e9a2855442ca4/FLAG4c6a16709 [2020-09-11 16:06:31,590 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 16:06:31,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-11 16:06:31,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f00c7bb3/57a443326ea24cb3af2e9a2855442ca4/FLAG4c6a16709 [2020-09-11 16:06:31,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f00c7bb3/57a443326ea24cb3af2e9a2855442ca4 [2020-09-11 16:06:31,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 16:06:31,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 16:06:31,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 16:06:31,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 16:06:31,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 16:06:31,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:06:31" (1/1) ... [2020-09-11 16:06:31,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755e9209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:31, skipping insertion in model container [2020-09-11 16:06:31,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:06:31" (1/1) ... [2020-09-11 16:06:31,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 16:06:31,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 16:06:32,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 16:06:32,527 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 16:06:32,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 16:06:32,687 INFO L208 MainTranslator]: Completed translation [2020-09-11 16:06:32,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32 WrapperNode [2020-09-11 16:06:32,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 16:06:32,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 16:06:32,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 16:06:32,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 16:06:32,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 16:06:32,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 16:06:32,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 16:06:32,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 16:06:32,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (1/1) ... [2020-09-11 16:06:32,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 16:06:32,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 16:06:32,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 16:06:32,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 16:06:32,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (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 16:06:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-11 16:06:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-11 16:06:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-11 16:06:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-11 16:06:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 16:06:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-11 16:06:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 16:06:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 16:06:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-11 16:06:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 16:06:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 16:06:32,889 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 16:06:33,290 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 16:06:33,294 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-11 16:06:33,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:06:33 BoogieIcfgContainer [2020-09-11 16:06:33,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 16:06:33,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 16:06:33,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 16:06:33,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 16:06:33,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 04:06:31" (1/3) ... [2020-09-11 16:06:33,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d3ec58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:06:33, skipping insertion in model container [2020-09-11 16:06:33,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:32" (2/3) ... [2020-09-11 16:06:33,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d3ec58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 04:06:33, skipping insertion in model container [2020-09-11 16:06:33,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:06:33" (3/3) ... [2020-09-11 16:06:33,312 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-09-11 16:06:33,324 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 16:06:33,324 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 16:06:33,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-11 16:06:33,337 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 16:06:33,369 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,369 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,369 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,370 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,370 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,370 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,371 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,371 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,371 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,371 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,372 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,373 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,373 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,373 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:33,416 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-11 16:06:33,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:06:33,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:06:33,440 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:06:33,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:06:33,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:06:33,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:06:33,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:06:33,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:06:33,459 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-09-11 16:06:33,461 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-11 16:06:33,516 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-11 16:06:33,516 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 16:06:33,523 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 16:06:33,527 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-11 16:06:33,553 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-11 16:06:33,553 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-11 16:06:33,554 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 16:06:33,557 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-09-11 16:06:33,558 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:06:34,900 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-11 16:06:35,374 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-09-11 16:06:36,016 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-09-11 16:06:36,547 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-11 16:06:36,832 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 16:06:36,836 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-09-11 16:06:36,837 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-09-11 16:06:36,841 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-09-11 16:06:36,853 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-09-11 16:06:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-11 16:06:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:06:36,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:36,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:06:36,864 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 16:06:36,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:36,872 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-09-11 16:06:36,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:36,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422994037] [2020-09-11 16:06:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:37,154 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 16:06:37,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422994037] [2020-09-11 16:06:37,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:37,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:06:37,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611250609] [2020-09-11 16:06:37,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:06:37,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:37,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:06:37,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:06:37,185 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-09-11 16:06:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:37,232 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-09-11 16:06:37,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:06:37,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:06:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:37,248 INFO L225 Difference]: With dead ends: 35 [2020-09-11 16:06:37,248 INFO L226 Difference]: Without dead ends: 31 [2020-09-11 16:06:37,250 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 16:06:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-11 16:06:37,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-11 16:06:37,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-11 16:06:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-09-11 16:06:37,296 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-09-11 16:06:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:37,297 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-09-11 16:06:37,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:06:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-09-11 16:06:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-11 16:06:37,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:37,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:37,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 16:06:37,299 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 16:06:37,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:37,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-09-11 16:06:37,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:37,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000571905] [2020-09-11 16:06:37,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:37,462 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 16:06:37,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000571905] [2020-09-11 16:06:37,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:37,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 16:06:37,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317517777] [2020-09-11 16:06:37,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 16:06:37,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:37,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 16:06:37,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-11 16:06:37,466 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-09-11 16:06:37,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:37,498 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-09-11 16:06:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 16:06:37,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-09-11 16:06:37,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:37,500 INFO L225 Difference]: With dead ends: 26 [2020-09-11 16:06:37,500 INFO L226 Difference]: Without dead ends: 24 [2020-09-11 16:06:37,502 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 16:06:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-11 16:06:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-11 16:06:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-11 16:06:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-09-11 16:06:37,506 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-09-11 16:06:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:37,507 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-09-11 16:06:37,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 16:06:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-09-11 16:06:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-11 16:06:37,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:37,508 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:37,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 16:06:37,508 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-11 16:06:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:37,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-09-11 16:06:37,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:37,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543235209] [2020-09-11 16:06:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:37,537 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:37,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:37,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:06:37,588 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:06:37,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 16:06:37,588 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 16:06:37,589 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 16:06:37,590 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-11 16:06:37,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:37,634 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-11 16:06:37,635 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:06:37,635 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:06:37,635 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:06:37,635 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:06:37,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:06:37,636 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:06:37,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:06:37,636 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:06:37,638 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-09-11 16:06:37,639 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-11 16:06:37,666 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-11 16:06:37,666 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 16:06:37,668 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 16:06:37,672 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-11 16:06:37,705 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-11 16:06:37,705 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-11 16:06:37,715 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 16:06:37,722 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-09-11 16:06:37,722 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:06:39,963 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-09-11 16:06:40,091 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-09-11 16:06:40,420 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 16:06:40,811 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-11 16:06:40,965 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 16:06:41,018 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3583 [2020-09-11 16:06:41,018 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-09-11 16:06:41,018 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-09-11 16:06:41,053 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-09-11 16:06:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-09-11 16:06:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:06:41,054 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:41,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:06:41,055 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 16:06:41,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:41,055 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-09-11 16:06:41,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:41,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561608022] [2020-09-11 16:06:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:41,101 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 16:06:41,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561608022] [2020-09-11 16:06:41,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:41,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:06:41,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801588273] [2020-09-11 16:06:41,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:06:41,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:41,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:06:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:06:41,104 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-09-11 16:06:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:41,169 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-09-11 16:06:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:06:41,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:06:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:41,190 INFO L225 Difference]: With dead ends: 748 [2020-09-11 16:06:41,190 INFO L226 Difference]: Without dead ends: 691 [2020-09-11 16:06:41,190 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 16:06:41,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-09-11 16:06:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-09-11 16:06:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-11 16:06:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-09-11 16:06:41,285 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-09-11 16:06:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:41,285 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-09-11 16:06:41,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:06:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-09-11 16:06:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 16:06:41,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:41,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:41,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 16:06:41,289 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 16:06:41,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:41,289 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-09-11 16:06:41,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:41,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885673769] [2020-09-11 16:06:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:41,393 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 16:06:41,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885673769] [2020-09-11 16:06:41,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:41,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:41,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295849152] [2020-09-11 16:06:41,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:06:41,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:41,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:06:41,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:06:41,396 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-09-11 16:06:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:41,507 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-09-11 16:06:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:06:41,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 16:06:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:41,515 INFO L225 Difference]: With dead ends: 900 [2020-09-11 16:06:41,515 INFO L226 Difference]: Without dead ends: 880 [2020-09-11 16:06:41,516 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 16:06:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-11 16:06:41,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-09-11 16:06:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-11 16:06:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-09-11 16:06:41,548 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-09-11 16:06:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:41,549 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-09-11 16:06:41,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:06:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-09-11 16:06:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 16:06:41,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:41,552 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:41,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-11 16:06:41,552 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 16:06:41,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:41,553 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-09-11 16:06:41,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:41,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651677798] [2020-09-11 16:06:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:41,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:41,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:41,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:06:41,624 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:06:41,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-11 16:06:41,624 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 16:06:41,625 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 16:06:41,626 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-11 16:06:41,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,643 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,643 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,643 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,643 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,643 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,644 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,646 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,647 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,647 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,649 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,650 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,651 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,651 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,653 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,656 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,657 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,657 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,657 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,657 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,663 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:41,674 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-11 16:06:41,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:06:41,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:06:41,675 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:06:41,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:06:41,675 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:06:41,675 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:06:41,675 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:06:41,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:06:41,677 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-09-11 16:06:41,678 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-11 16:06:41,703 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-11 16:06:41,704 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 16:06:41,705 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 16:06:41,711 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-11 16:06:41,732 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-11 16:06:41,733 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-11 16:06:41,734 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 16:06:41,740 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-09-11 16:06:41,740 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:06:44,782 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-09-11 16:06:45,444 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-09-11 16:06:45,887 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-11 16:06:46,028 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 16:06:46,041 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7545 [2020-09-11 16:06:46,042 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-09-11 16:06:46,042 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-09-11 16:06:46,281 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-09-11 16:06:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-09-11 16:06:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:06:46,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:46,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:06:46,283 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 16:06:46,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:46,283 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-09-11 16:06:46,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:46,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398700619] [2020-09-11 16:06:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:46,331 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 16:06:46,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398700619] [2020-09-11 16:06:46,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:46,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:06:46,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597913577] [2020-09-11 16:06:46,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:06:46,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:46,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:06:46,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:06:46,335 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-09-11 16:06:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:46,448 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-09-11 16:06:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:06:46,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:06:46,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:46,492 INFO L225 Difference]: With dead ends: 4669 [2020-09-11 16:06:46,493 INFO L226 Difference]: Without dead ends: 4342 [2020-09-11 16:06:46,493 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 16:06:46,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-09-11 16:06:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-09-11 16:06:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-09-11 16:06:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-09-11 16:06:46,749 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-09-11 16:06:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:46,750 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-09-11 16:06:46,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:06:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-09-11 16:06:46,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 16:06:46,751 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:46,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:46,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-11 16:06:46,752 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 16:06:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:46,753 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-09-11 16:06:46,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:46,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426770454] [2020-09-11 16:06:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:46,860 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 16:06:46,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426770454] [2020-09-11 16:06:46,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:46,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:46,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237151402] [2020-09-11 16:06:46,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:06:46,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:46,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:06:46,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:06:46,864 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-09-11 16:06:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:47,076 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-09-11 16:06:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:06:47,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 16:06:47,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:47,162 INFO L225 Difference]: With dead ends: 6408 [2020-09-11 16:06:47,162 INFO L226 Difference]: Without dead ends: 6352 [2020-09-11 16:06:47,163 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 16:06:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-09-11 16:06:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-09-11 16:06:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-09-11 16:06:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-09-11 16:06:47,374 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-09-11 16:06:47,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:47,374 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-09-11 16:06:47,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:06:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-09-11 16:06:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 16:06:47,381 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:47,382 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:47,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-11 16:06:47,382 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 16:06:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:47,382 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-09-11 16:06:47,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:47,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178016855] [2020-09-11 16:06:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:47,464 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 16:06:47,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178016855] [2020-09-11 16:06:47,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:47,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:47,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355816944] [2020-09-11 16:06:47,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:06:47,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:47,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:06:47,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:06:47,467 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-09-11 16:06:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:47,632 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-09-11 16:06:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:06:47,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 16:06:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:47,664 INFO L225 Difference]: With dead ends: 6754 [2020-09-11 16:06:47,664 INFO L226 Difference]: Without dead ends: 6698 [2020-09-11 16:06:47,665 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 16:06:47,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-09-11 16:06:47,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-09-11 16:06:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-09-11 16:06:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-09-11 16:06:47,935 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-09-11 16:06:47,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:47,935 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-09-11 16:06:47,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:06:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-09-11 16:06:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 16:06:47,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:47,937 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:47,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-11 16:06:47,937 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 16:06:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:47,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-09-11 16:06:47,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:47,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645246015] [2020-09-11 16:06:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:47,990 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 16:06:47,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645246015] [2020-09-11 16:06:47,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:47,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:47,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787419331] [2020-09-11 16:06:47,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:06:47,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:47,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:06:47,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:06:47,992 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-09-11 16:06:48,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:48,021 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-09-11 16:06:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:06:48,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 16:06:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:48,028 INFO L225 Difference]: With dead ends: 1628 [2020-09-11 16:06:48,028 INFO L226 Difference]: Without dead ends: 1628 [2020-09-11 16:06:48,029 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 16:06:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-09-11 16:06:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-09-11 16:06:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-09-11 16:06:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-09-11 16:06:48,080 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-09-11 16:06:48,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:48,081 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-09-11 16:06:48,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:06:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-09-11 16:06:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:06:48,083 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:48,083 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 16:06:48,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-11 16:06:48,083 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 16:06:48,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:48,084 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-09-11 16:06:48,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:48,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982093037] [2020-09-11 16:06:48,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:48,197 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 16:06:48,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982093037] [2020-09-11 16:06:48,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315415204] [2020-09-11 16:06:48,198 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 16:06:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:48,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:06:48,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:06:48,361 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 16:06:48,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:06:48,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:06:48,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111985808] [2020-09-11 16:06:48,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:06:48,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:48,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:06:48,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:06:48,364 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-09-11 16:06:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:48,728 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-09-11 16:06:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:06:48,728 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-11 16:06:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:48,738 INFO L225 Difference]: With dead ends: 2817 [2020-09-11 16:06:48,738 INFO L226 Difference]: Without dead ends: 2796 [2020-09-11 16:06:48,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 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 16:06:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-09-11 16:06:48,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-09-11 16:06:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-09-11 16:06:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-09-11 16:06:48,795 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-09-11 16:06:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:48,795 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-09-11 16:06:48,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:06:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-09-11 16:06:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:06:48,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:48,797 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 16:06:49,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-11 16:06:49,011 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 16:06:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-09-11 16:06:49,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:49,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957563503] [2020-09-11 16:06:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:49,104 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 16:06:49,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957563503] [2020-09-11 16:06:49,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:49,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:06:49,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557250444] [2020-09-11 16:06:49,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:06:49,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:49,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:06:49,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:06:49,106 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-09-11 16:06:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:49,543 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-09-11 16:06:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:06:49,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 16:06:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:49,551 INFO L225 Difference]: With dead ends: 2731 [2020-09-11 16:06:49,551 INFO L226 Difference]: Without dead ends: 2698 [2020-09-11 16:06:49,552 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 16:06:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-11 16:06:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-09-11 16:06:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-11 16:06:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-09-11 16:06:49,600 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-09-11 16:06:49,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:49,600 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-09-11 16:06:49,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:06:49,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-09-11 16:06:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:06:49,602 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:49,602 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:49,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-11 16:06:49,603 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 16:06:49,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:49,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-09-11 16:06:49,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:49,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525678056] [2020-09-11 16:06:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:49,698 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 16:06:49,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525678056] [2020-09-11 16:06:49,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:49,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:49,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302519608] [2020-09-11 16:06:49,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:06:49,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:49,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:06:49,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:06:49,703 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-09-11 16:06:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:49,826 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-09-11 16:06:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:06:49,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 16:06:49,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:49,834 INFO L225 Difference]: With dead ends: 2245 [2020-09-11 16:06:49,834 INFO L226 Difference]: Without dead ends: 2233 [2020-09-11 16:06:49,838 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 16:06:49,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-09-11 16:06:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-09-11 16:06:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-09-11 16:06:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-09-11 16:06:49,883 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-09-11 16:06:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:49,883 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-09-11 16:06:49,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:06:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-09-11 16:06:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:06:49,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:49,885 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:49,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-11 16:06:49,885 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 16:06:49,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:49,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-09-11 16:06:49,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:49,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834472234] [2020-09-11 16:06:49,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:49,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:06:49,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:06:49,940 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:06:49,940 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:06:49,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-11 16:06:49,941 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 16:06:49,942 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 16:06:49,942 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-11 16:06:49,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,990 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,990 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:49,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,006 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,006 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,006 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:06:50,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-11 16:06:50,016 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:06:50,016 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:06:50,016 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:06:50,016 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:06:50,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:06:50,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:06:50,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:06:50,016 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:06:50,019 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-09-11 16:06:50,019 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-11 16:06:50,044 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-11 16:06:50,044 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-11 16:06:50,046 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 16:06:50,055 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-11 16:06:50,081 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-11 16:06:50,082 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-11 16:06:50,083 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 16:06:50,092 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-09-11 16:06:50,092 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:06:54,399 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-09-11 16:06:54,672 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 16:06:55,099 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-09-11 16:06:55,251 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 16:06:55,262 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10326 [2020-09-11 16:06:55,262 INFO L214 etLargeBlockEncoding]: Total number of compositions: 154 [2020-09-11 16:06:55,262 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 48 transitions, 160 flow [2020-09-11 16:06:56,230 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-09-11 16:06:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-09-11 16:06:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:06:56,231 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:56,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:06:56,231 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 16:06:56,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:56,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1182523, now seen corresponding path program 1 times [2020-09-11 16:06:56,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:56,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215621944] [2020-09-11 16:06:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:56,260 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 16:06:56,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215621944] [2020-09-11 16:06:56,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:56,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:06:56,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546515953] [2020-09-11 16:06:56,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:06:56,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:56,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:06:56,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:06:56,262 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-09-11 16:06:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:56,432 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-09-11 16:06:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:06:56,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:06:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:57,234 INFO L225 Difference]: With dead ends: 15456 [2020-09-11 16:06:57,234 INFO L226 Difference]: Without dead ends: 14450 [2020-09-11 16:06:57,235 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 16:06:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-09-11 16:06:57,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-09-11 16:06:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-09-11 16:06:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-09-11 16:06:57,863 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-09-11 16:06:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:06:57,864 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-09-11 16:06:57,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:06:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-09-11 16:06:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 16:06:57,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:06:57,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:06:57,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-11 16:06:57,865 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 16:06:57,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:06:57,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1868590315, now seen corresponding path program 1 times [2020-09-11 16:06:57,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:06:57,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121888445] [2020-09-11 16:06:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:06:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:06:57,947 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 16:06:57,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121888445] [2020-09-11 16:06:57,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:06:57,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:06:57,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297177556] [2020-09-11 16:06:57,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:06:57,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:06:57,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:06:57,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:06:57,949 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-09-11 16:06:58,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:06:58,494 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-09-11 16:06:58,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:06:58,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 16:06:58,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:06:58,597 INFO L225 Difference]: With dead ends: 23586 [2020-09-11 16:06:58,597 INFO L226 Difference]: Without dead ends: 23544 [2020-09-11 16:06:58,598 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 16:06:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-09-11 16:06:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-09-11 16:06:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-09-11 16:07:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-09-11 16:07:00,933 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-09-11 16:07:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:00,933 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-09-11 16:07:00,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:07:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-09-11 16:07:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 16:07:00,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:00,934 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:07:00,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-11 16:07:00,935 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 16:07:00,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:00,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1801459304, now seen corresponding path program 1 times [2020-09-11 16:07:00,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:00,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981313360] [2020-09-11 16:07:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:00,993 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 16:07:00,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981313360] [2020-09-11 16:07:00,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:00,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:07:00,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895464385] [2020-09-11 16:07:00,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:07:00,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:00,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:07:00,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:07:00,995 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-09-11 16:07:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:01,335 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-09-11 16:07:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:07:01,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 16:07:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:01,451 INFO L225 Difference]: With dead ends: 25978 [2020-09-11 16:07:01,452 INFO L226 Difference]: Without dead ends: 25910 [2020-09-11 16:07:01,452 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 16:07:01,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-09-11 16:07:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-09-11 16:07:02,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-09-11 16:07:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-09-11 16:07:02,403 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-09-11 16:07:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:02,404 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-09-11 16:07:02,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:07:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-09-11 16:07:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 16:07:02,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:02,405 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:07:02,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-11 16:07:02,406 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 16:07:02,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:02,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1447988544, now seen corresponding path program 1 times [2020-09-11 16:07:02,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:02,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692331926] [2020-09-11 16:07:02,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:02,449 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 16:07:02,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692331926] [2020-09-11 16:07:02,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:02,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:07:02,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110542848] [2020-09-11 16:07:02,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:07:02,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:02,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:07:02,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:07:02,452 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-09-11 16:07:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:02,497 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-09-11 16:07:02,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:07:02,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 16:07:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:02,505 INFO L225 Difference]: With dead ends: 3357 [2020-09-11 16:07:02,505 INFO L226 Difference]: Without dead ends: 3357 [2020-09-11 16:07:02,506 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 16:07:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-11 16:07:02,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-09-11 16:07:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-09-11 16:07:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-09-11 16:07:02,578 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-09-11 16:07:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:02,579 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-09-11 16:07:02,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:07:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-09-11 16:07:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:07:02,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:02,580 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 16:07:02,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-11 16:07:02,581 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 16:07:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:02,581 INFO L82 PathProgramCache]: Analyzing trace with hash -905254240, now seen corresponding path program 1 times [2020-09-11 16:07:02,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:02,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884028025] [2020-09-11 16:07:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:02,665 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 16:07:02,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884028025] [2020-09-11 16:07:02,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581904381] [2020-09-11 16:07:02,666 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 16:07:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:02,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:07:02,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:07:02,837 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 16:07:02,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:07:02,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:07:02,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208986236] [2020-09-11 16:07:02,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:07:02,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:02,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:07:02,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:07:02,839 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 12 states. [2020-09-11 16:07:03,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:03,270 INFO L93 Difference]: Finished difference Result 5986 states and 16536 transitions. [2020-09-11 16:07:03,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:07:03,270 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-11 16:07:03,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:03,282 INFO L225 Difference]: With dead ends: 5986 [2020-09-11 16:07:03,282 INFO L226 Difference]: Without dead ends: 5962 [2020-09-11 16:07:03,282 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 16:07:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2020-09-11 16:07:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3137. [2020-09-11 16:07:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-09-11 16:07:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 9109 transitions. [2020-09-11 16:07:03,393 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 9109 transitions. Word has length 18 [2020-09-11 16:07:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:03,394 INFO L479 AbstractCegarLoop]: Abstraction has 3137 states and 9109 transitions. [2020-09-11 16:07:03,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:07:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 9109 transitions. [2020-09-11 16:07:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:07:03,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:03,395 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:07:03,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:07:03,609 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 16:07:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1569744228, now seen corresponding path program 1 times [2020-09-11 16:07:03,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:03,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55605441] [2020-09-11 16:07:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:03,688 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 16:07:03,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55605441] [2020-09-11 16:07:03,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:03,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:07:03,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679038843] [2020-09-11 16:07:03,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:07:03,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:03,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:07:03,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:07:03,691 INFO L87 Difference]: Start difference. First operand 3137 states and 9109 transitions. Second operand 5 states. [2020-09-11 16:07:03,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:03,854 INFO L93 Difference]: Finished difference Result 5118 states and 14425 transitions. [2020-09-11 16:07:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:07:03,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 16:07:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:03,864 INFO L225 Difference]: With dead ends: 5118 [2020-09-11 16:07:03,864 INFO L226 Difference]: Without dead ends: 5108 [2020-09-11 16:07:03,865 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 16:07:03,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2020-09-11 16:07:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 3381. [2020-09-11 16:07:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-09-11 16:07:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-09-11 16:07:03,960 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-09-11 16:07:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:03,960 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-09-11 16:07:03,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:07:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-09-11 16:07:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:07:03,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:03,964 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 16:07:03,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-11 16:07:03,965 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 16:07:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:03,965 INFO L82 PathProgramCache]: Analyzing trace with hash 162149792, now seen corresponding path program 1 times [2020-09-11 16:07:03,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:03,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869667569] [2020-09-11 16:07:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:04,052 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 16:07:04,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869667569] [2020-09-11 16:07:04,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:04,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:07:04,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825408445] [2020-09-11 16:07:04,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:07:04,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:04,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:07:04,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:07:04,054 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-09-11 16:07:04,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:04,412 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-09-11 16:07:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:07:04,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 16:07:04,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:04,426 INFO L225 Difference]: With dead ends: 6300 [2020-09-11 16:07:04,426 INFO L226 Difference]: Without dead ends: 6273 [2020-09-11 16:07:04,428 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 16:07:04,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-09-11 16:07:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-09-11 16:07:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-09-11 16:07:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-09-11 16:07:04,631 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-09-11 16:07:04,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:04,631 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-09-11 16:07:04,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:07:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-09-11 16:07:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:07:04,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:04,637 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 16:07:04,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-11 16:07:04,637 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 16:07:04,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:04,637 INFO L82 PathProgramCache]: Analyzing trace with hash -287862172, now seen corresponding path program 1 times [2020-09-11 16:07:04,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:04,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077212127] [2020-09-11 16:07:04,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:04,729 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 16:07:04,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077212127] [2020-09-11 16:07:04,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294456411] [2020-09-11 16:07:04,730 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 16:07:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:04,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:07:04,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:07:04,919 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 16:07:04,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:07:04,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:07:04,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341896446] [2020-09-11 16:07:04,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:07:04,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:04,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:07:04,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:07:04,922 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-09-11 16:07:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:05,326 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-09-11 16:07:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:07:05,326 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 16:07:05,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:05,335 INFO L225 Difference]: With dead ends: 6095 [2020-09-11 16:07:05,335 INFO L226 Difference]: Without dead ends: 6079 [2020-09-11 16:07:05,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 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 16:07:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-09-11 16:07:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3114. [2020-09-11 16:07:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-09-11 16:07:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9010 transitions. [2020-09-11 16:07:05,405 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9010 transitions. Word has length 22 [2020-09-11 16:07:05,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:05,405 INFO L479 AbstractCegarLoop]: Abstraction has 3114 states and 9010 transitions. [2020-09-11 16:07:05,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:07:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9010 transitions. [2020-09-11 16:07:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:07:05,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:05,407 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 16:07:05,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-09-11 16:07:05,609 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 16:07:05,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:05,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1897707635, now seen corresponding path program 1 times [2020-09-11 16:07:05,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:05,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918076974] [2020-09-11 16:07:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:05,707 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 16:07:05,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918076974] [2020-09-11 16:07:05,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128916363] [2020-09-11 16:07:05,708 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 16:07:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:05,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:07:05,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:07:05,873 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 16:07:05,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:07:05,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:07:05,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840183388] [2020-09-11 16:07:05,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:07:05,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:05,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:07:05,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:07:05,875 INFO L87 Difference]: Start difference. First operand 3114 states and 9010 transitions. Second operand 12 states. [2020-09-11 16:07:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:06,361 INFO L93 Difference]: Finished difference Result 6230 states and 17201 transitions. [2020-09-11 16:07:06,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:07:06,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 16:07:06,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:06,370 INFO L225 Difference]: With dead ends: 6230 [2020-09-11 16:07:06,371 INFO L226 Difference]: Without dead ends: 6214 [2020-09-11 16:07:06,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 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 16:07:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-09-11 16:07:06,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 3152. [2020-09-11 16:07:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3152 states. [2020-09-11 16:07:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 9145 transitions. [2020-09-11 16:07:06,440 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 9145 transitions. Word has length 22 [2020-09-11 16:07:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:06,441 INFO L479 AbstractCegarLoop]: Abstraction has 3152 states and 9145 transitions. [2020-09-11 16:07:06,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:07:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 9145 transitions. [2020-09-11 16:07:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:07:06,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:06,443 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:07:06,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:07:06,655 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]=== [2020-09-11 16:07:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:06,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1666591514, now seen corresponding path program 1 times [2020-09-11 16:07:06,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:06,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897823126] [2020-09-11 16:07:06,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:07:06,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:07:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:07:06,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:07:06,702 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:07:06,702 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:07:06,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-11 16:07:06,703 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 16:07:06,704 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 16:07:06,704 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-11 16:07:06,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,724 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,747 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:07:06,775 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-11 16:07:06,775 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:07:06,775 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:07:06,776 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:07:06,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:07:06,776 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:07:06,776 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:07:06,776 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:07:06,776 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:07:06,778 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-09-11 16:07:06,778 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-11 16:07:06,809 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-11 16:07:06,809 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-11 16:07:06,812 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 530 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 16:07:06,825 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-11 16:07:06,854 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-11 16:07:06,855 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-11 16:07:06,857 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 530 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 16:07:06,865 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-09-11 16:07:06,865 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:07:10,179 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 16:07:10,318 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-11 16:07:10,420 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-09-11 16:07:11,702 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-09-11 16:07:12,455 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-11 16:07:12,750 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 16:07:12,758 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17154 [2020-09-11 16:07:12,758 INFO L214 etLargeBlockEncoding]: Total number of compositions: 177 [2020-09-11 16:07:12,759 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 57 transitions, 204 flow [2020-09-11 16:07:35,008 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-09-11 16:07:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-09-11 16:07:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-11 16:07:35,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:35,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-11 16:07:35,009 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 16:07:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:35,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1587786, now seen corresponding path program 1 times [2020-09-11 16:07:35,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:35,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767753949] [2020-09-11 16:07:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:35,033 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 16:07:35,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767753949] [2020-09-11 16:07:35,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:35,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-11 16:07:35,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967840345] [2020-09-11 16:07:35,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:07:35,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:35,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:07:35,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:07:35,034 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-09-11 16:07:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:39,280 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-09-11 16:07:39,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:07:39,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-11 16:07:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:39,744 INFO L225 Difference]: With dead ends: 118175 [2020-09-11 16:07:39,744 INFO L226 Difference]: Without dead ends: 110531 [2020-09-11 16:07:39,744 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 16:07:41,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-09-11 16:07:49,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-09-11 16:07:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-09-11 16:07:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-09-11 16:07:49,733 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-09-11 16:07:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:07:49,733 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-09-11 16:07:49,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:07:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-09-11 16:07:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-11 16:07:49,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:07:49,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:07:49,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-11 16:07:49,734 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 16:07:49,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:07:49,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1592599097, now seen corresponding path program 1 times [2020-09-11 16:07:49,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:07:49,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557614489] [2020-09-11 16:07:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:07:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:07:49,786 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 16:07:49,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557614489] [2020-09-11 16:07:49,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:07:49,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:07:49,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035190572] [2020-09-11 16:07:49,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:07:49,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:07:49,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:07:49,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:07:49,788 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-09-11 16:07:56,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:07:56,995 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-09-11 16:07:56,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:07:56,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-11 16:07:56,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:07:58,788 INFO L225 Difference]: With dead ends: 187755 [2020-09-11 16:07:58,788 INFO L226 Difference]: Without dead ends: 187578 [2020-09-11 16:07:58,788 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 16:08:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-09-11 16:08:12,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-09-11 16:08:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-09-11 16:08:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-09-11 16:08:13,381 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-09-11 16:08:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:13,381 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-09-11 16:08:13,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:08:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-09-11 16:08:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 16:08:13,382 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:13,382 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:08:13,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-11 16:08:13,382 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 16:08:13,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:13,383 INFO L82 PathProgramCache]: Analyzing trace with hash -2054167379, now seen corresponding path program 1 times [2020-09-11 16:08:13,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:13,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794255789] [2020-09-11 16:08:13,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:13,451 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 16:08:13,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794255789] [2020-09-11 16:08:13,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:13,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:08:13,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325550075] [2020-09-11 16:08:13,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:08:13,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:13,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:08:13,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:08:13,453 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-09-11 16:08:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:24,964 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-09-11 16:08:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:08:24,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-11 16:08:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:25,902 INFO L225 Difference]: With dead ends: 212246 [2020-09-11 16:08:25,903 INFO L226 Difference]: Without dead ends: 211934 [2020-09-11 16:08:25,903 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 16:08:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-09-11 16:08:32,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-09-11 16:08:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-09-11 16:08:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-09-11 16:08:33,571 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-09-11 16:08:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:33,571 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-09-11 16:08:33,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:08:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-09-11 16:08:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-11 16:08:33,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:33,572 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:08:33,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-11 16:08:33,573 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 16:08:33,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:33,573 INFO L82 PathProgramCache]: Analyzing trace with hash -53690513, now seen corresponding path program 1 times [2020-09-11 16:08:33,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:33,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085675394] [2020-09-11 16:08:33,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:33,616 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 16:08:33,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085675394] [2020-09-11 16:08:33,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:33,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:08:33,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968727136] [2020-09-11 16:08:33,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 16:08:33,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:33,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 16:08:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 16:08:33,618 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-09-11 16:08:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:33,729 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-09-11 16:08:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 16:08:33,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-11 16:08:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:33,764 INFO L225 Difference]: With dead ends: 14050 [2020-09-11 16:08:33,764 INFO L226 Difference]: Without dead ends: 14050 [2020-09-11 16:08:33,765 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 16:08:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-09-11 16:08:39,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-09-11 16:08:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-09-11 16:08:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-09-11 16:08:39,160 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-09-11 16:08:39,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:39,160 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-09-11 16:08:39,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 16:08:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-09-11 16:08:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:08:39,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:39,161 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 16:08:39,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-09-11 16:08:39,162 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 16:08:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:39,162 INFO L82 PathProgramCache]: Analyzing trace with hash 693844998, now seen corresponding path program 1 times [2020-09-11 16:08:39,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:39,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519035051] [2020-09-11 16:08:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:39,238 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 16:08:39,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519035051] [2020-09-11 16:08:39,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254230927] [2020-09-11 16:08:39,239 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 16:08:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:39,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:08:39,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:39,396 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 16:08:39,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:39,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:08:39,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679247317] [2020-09-11 16:08:39,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:08:39,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:39,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:08:39,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:08:39,398 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-09-11 16:08:40,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:40,031 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-09-11 16:08:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:40,032 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-11 16:08:40,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:40,083 INFO L225 Difference]: With dead ends: 28297 [2020-09-11 16:08:40,083 INFO L226 Difference]: Without dead ends: 28227 [2020-09-11 16:08:40,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 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 16:08:40,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-09-11 16:08:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-09-11 16:08:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-09-11 16:08:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-09-11 16:08:40,472 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-09-11 16:08:40,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:40,472 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-09-11 16:08:40,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:08:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-09-11 16:08:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:08:40,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:40,473 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 16:08:40,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-09-11 16:08:40,674 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 16:08:40,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1124175233, now seen corresponding path program 1 times [2020-09-11 16:08:40,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:40,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770090633] [2020-09-11 16:08:40,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:40,754 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 16:08:40,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770090633] [2020-09-11 16:08:40,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:40,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:08:40,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750681757] [2020-09-11 16:08:40,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:08:40,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:40,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:08:40,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:08:40,757 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-09-11 16:08:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:41,325 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-09-11 16:08:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:41,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-11 16:08:41,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:41,376 INFO L225 Difference]: With dead ends: 28575 [2020-09-11 16:08:41,377 INFO L226 Difference]: Without dead ends: 28491 [2020-09-11 16:08:41,377 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 16:08:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-09-11 16:08:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-09-11 16:08:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-09-11 16:08:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-09-11 16:08:41,967 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-09-11 16:08:41,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:41,967 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-09-11 16:08:41,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:08:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-09-11 16:08:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-11 16:08:41,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:41,968 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:08:41,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-11 16:08:41,968 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 16:08:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:41,969 INFO L82 PathProgramCache]: Analyzing trace with hash 427682604, now seen corresponding path program 1 times [2020-09-11 16:08:41,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:41,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105652394] [2020-09-11 16:08:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:42,031 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 16:08:42,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105652394] [2020-09-11 16:08:42,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:42,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:08:42,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191863439] [2020-09-11 16:08:42,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:08:42,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:42,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:08:42,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:08:42,033 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-09-11 16:08:42,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:42,390 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-09-11 16:08:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:08:42,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-11 16:08:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:42,472 INFO L225 Difference]: With dead ends: 24605 [2020-09-11 16:08:42,472 INFO L226 Difference]: Without dead ends: 24581 [2020-09-11 16:08:42,473 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 16:08:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-09-11 16:08:42,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-09-11 16:08:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-09-11 16:08:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-09-11 16:08:42,950 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-09-11 16:08:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:42,950 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-09-11 16:08:42,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:08:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-09-11 16:08:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:08:42,952 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:42,952 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 16:08:42,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-09-11 16:08:42,952 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 16:08:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:42,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1364464123, now seen corresponding path program 1 times [2020-09-11 16:08:42,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:42,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015199340] [2020-09-11 16:08:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:43,048 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 16:08:43,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015199340] [2020-09-11 16:08:43,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515894265] [2020-09-11 16:08:43,048 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 16:08:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:43,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:08:43,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:43,241 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 16:08:43,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:43,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:08:43,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960427320] [2020-09-11 16:08:43,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:08:43,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:08:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:08:43,243 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-09-11 16:08:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:43,927 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-09-11 16:08:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:43,928 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 16:08:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:43,993 INFO L225 Difference]: With dead ends: 31898 [2020-09-11 16:08:43,993 INFO L226 Difference]: Without dead ends: 31865 [2020-09-11 16:08:43,994 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 16:08:44,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-09-11 16:08:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-09-11 16:08:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-09-11 16:08:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-09-11 16:08:44,447 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-09-11 16:08:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:44,447 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-09-11 16:08:44,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:08:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-09-11 16:08:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:08:44,449 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:44,449 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 16:08:44,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:08:44,683 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 16:08:44,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:44,683 INFO L82 PathProgramCache]: Analyzing trace with hash 321088405, now seen corresponding path program 1 times [2020-09-11 16:08:44,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:44,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093203864] [2020-09-11 16:08:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:44,772 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 16:08:44,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093203864] [2020-09-11 16:08:44,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105798187] [2020-09-11 16:08:44,773 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 16:08:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:44,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:08:44,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:44,975 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 16:08:44,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:44,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:08:44,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769115489] [2020-09-11 16:08:44,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:08:44,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:44,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:08:44,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:08:44,976 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-09-11 16:08:45,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:45,723 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-09-11 16:08:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:45,724 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-11 16:08:45,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:45,791 INFO L225 Difference]: With dead ends: 32253 [2020-09-11 16:08:45,791 INFO L226 Difference]: Without dead ends: 32220 [2020-09-11 16:08:45,791 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 16:08:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-09-11 16:08:46,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-09-11 16:08:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-09-11 16:08:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-09-11 16:08:46,238 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-09-11 16:08:46,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:46,238 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-09-11 16:08:46,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:08:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-09-11 16:08:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:08:46,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:46,240 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:08:46,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:08:46,441 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 16:08:46,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:46,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1406316126, now seen corresponding path program 1 times [2020-09-11 16:08:46,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:46,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146123828] [2020-09-11 16:08:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:46,511 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 16:08:46,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146123828] [2020-09-11 16:08:46,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:46,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 16:08:46,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746130837] [2020-09-11 16:08:46,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 16:08:46,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 16:08:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-11 16:08:46,513 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 5 states. [2020-09-11 16:08:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:46,773 INFO L93 Difference]: Finished difference Result 23466 states and 75382 transitions. [2020-09-11 16:08:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 16:08:46,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-11 16:08:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:46,818 INFO L225 Difference]: With dead ends: 23466 [2020-09-11 16:08:46,818 INFO L226 Difference]: Without dead ends: 23442 [2020-09-11 16:08:46,818 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 16:08:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2020-09-11 16:08:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14781. [2020-09-11 16:08:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14781 states. [2020-09-11 16:08:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 48769 transitions. [2020-09-11 16:08:47,206 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 48769 transitions. Word has length 22 [2020-09-11 16:08:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:47,206 INFO L479 AbstractCegarLoop]: Abstraction has 14781 states and 48769 transitions. [2020-09-11 16:08:47,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 16:08:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 48769 transitions. [2020-09-11 16:08:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:08:47,208 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:47,208 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 16:08:47,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-11 16:08:47,209 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 16:08:47,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:47,209 INFO L82 PathProgramCache]: Analyzing trace with hash -103257068, now seen corresponding path program 1 times [2020-09-11 16:08:47,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:47,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295577743] [2020-09-11 16:08:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:47,296 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 16:08:47,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295577743] [2020-09-11 16:08:47,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:47,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:08:47,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35570080] [2020-09-11 16:08:47,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:08:47,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:47,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:08:47,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:08:47,299 INFO L87 Difference]: Start difference. First operand 14781 states and 48769 transitions. Second operand 7 states. [2020-09-11 16:08:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:48,023 INFO L93 Difference]: Finished difference Result 33669 states and 108193 transitions. [2020-09-11 16:08:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:48,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-11 16:08:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:48,090 INFO L225 Difference]: With dead ends: 33669 [2020-09-11 16:08:48,090 INFO L226 Difference]: Without dead ends: 33617 [2020-09-11 16:08:48,091 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 16:08:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33617 states. [2020-09-11 16:08:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33617 to 14680. [2020-09-11 16:08:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14680 states. [2020-09-11 16:08:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14680 states to 14680 states and 48297 transitions. [2020-09-11 16:08:48,567 INFO L78 Accepts]: Start accepts. Automaton has 14680 states and 48297 transitions. Word has length 22 [2020-09-11 16:08:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:48,568 INFO L479 AbstractCegarLoop]: Abstraction has 14680 states and 48297 transitions. [2020-09-11 16:08:48,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:08:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14680 states and 48297 transitions. [2020-09-11 16:08:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-11 16:08:48,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:48,570 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 16:08:48,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-11 16:08:48,570 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 16:08:48,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:48,571 INFO L82 PathProgramCache]: Analyzing trace with hash -103169493, now seen corresponding path program 1 times [2020-09-11 16:08:48,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:48,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126442024] [2020-09-11 16:08:48,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:48,657 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 16:08:48,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126442024] [2020-09-11 16:08:48,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:08:48,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:08:48,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329147793] [2020-09-11 16:08:48,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:08:48,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:48,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:08:48,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:08:48,659 INFO L87 Difference]: Start difference. First operand 14680 states and 48297 transitions. Second operand 7 states. [2020-09-11 16:08:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:49,293 INFO L93 Difference]: Finished difference Result 33499 states and 107547 transitions. [2020-09-11 16:08:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:49,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-11 16:08:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:49,361 INFO L225 Difference]: With dead ends: 33499 [2020-09-11 16:08:49,362 INFO L226 Difference]: Without dead ends: 33447 [2020-09-11 16:08:49,362 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 16:08:49,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33447 states. [2020-09-11 16:08:49,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33447 to 14368. [2020-09-11 16:08:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-09-11 16:08:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-09-11 16:08:49,828 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-09-11 16:08:49,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:49,828 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-09-11 16:08:49,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:08:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-09-11 16:08:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:08:49,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:49,832 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 16:08:49,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-09-11 16:08:49,832 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 16:08:49,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:49,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1988994578, now seen corresponding path program 1 times [2020-09-11 16:08:49,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:49,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682739515] [2020-09-11 16:08:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:49,948 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 16:08:49,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682739515] [2020-09-11 16:08:49,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123638870] [2020-09-11 16:08:49,948 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 16:08:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:50,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 16:08:50,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:50,199 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 16:08:50,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:50,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 16:08:50,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832384548] [2020-09-11 16:08:50,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 16:08:50,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:50,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 16:08:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 16:08:50,201 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-09-11 16:08:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:51,907 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-09-11 16:08:51,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 16:08:51,907 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 16:08:51,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:51,989 INFO L225 Difference]: With dead ends: 41694 [2020-09-11 16:08:51,990 INFO L226 Difference]: Without dead ends: 41661 [2020-09-11 16:08:51,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 16:08:52,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-09-11 16:08:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-09-11 16:08:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-09-11 16:08:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-09-11 16:08:52,499 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-09-11 16:08:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:52,499 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-09-11 16:08:52,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 16:08:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-09-11 16:08:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:08:52,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:52,503 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 16:08:52,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-09-11 16:08:52,704 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 16:08:52,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -903766857, now seen corresponding path program 1 times [2020-09-11 16:08:52,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:52,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802004199] [2020-09-11 16:08:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-11 16:08:52,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802004199] [2020-09-11 16:08:52,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687633032] [2020-09-11 16:08:52,808 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 16:08:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:52,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:08:52,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-11 16:08:53,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:53,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:08:53,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516549218] [2020-09-11 16:08:53,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:08:53,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:53,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:08:53,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:08:53,006 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 12 states. [2020-09-11 16:08:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:53,748 INFO L93 Difference]: Finished difference Result 30858 states and 98003 transitions. [2020-09-11 16:08:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:08:53,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 16:08:53,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:53,805 INFO L225 Difference]: With dead ends: 30858 [2020-09-11 16:08:53,805 INFO L226 Difference]: Without dead ends: 30822 [2020-09-11 16:08:53,805 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 16:08:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30822 states. [2020-09-11 16:08:54,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30822 to 14230. [2020-09-11 16:08:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2020-09-11 16:08:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 46630 transitions. [2020-09-11 16:08:54,395 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 46630 transitions. Word has length 26 [2020-09-11 16:08:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:54,396 INFO L479 AbstractCegarLoop]: Abstraction has 14230 states and 46630 transitions. [2020-09-11 16:08:54,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:08:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 46630 transitions. [2020-09-11 16:08:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:08:54,399 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:54,399 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 16:08:54,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-09-11 16:08:54,602 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 16:08:54,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:54,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1881627245, now seen corresponding path program 1 times [2020-09-11 16:08:54,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:54,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825325] [2020-09-11 16:08:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:54,706 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 16:08:54,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825325] [2020-09-11 16:08:54,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055570727] [2020-09-11 16:08:54,707 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 16:08:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:54,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 16:08:54,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:54,904 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 16:08:54,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:54,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 16:08:54,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466612998] [2020-09-11 16:08:54,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 16:08:54,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:54,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 16:08:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 16:08:54,906 INFO L87 Difference]: Start difference. First operand 14230 states and 46630 transitions. Second operand 16 states. [2020-09-11 16:08:56,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:56,514 INFO L93 Difference]: Finished difference Result 40917 states and 129671 transitions. [2020-09-11 16:08:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 16:08:56,514 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 16:08:56,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:56,591 INFO L225 Difference]: With dead ends: 40917 [2020-09-11 16:08:56,591 INFO L226 Difference]: Without dead ends: 40856 [2020-09-11 16:08:56,592 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 16:08:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40856 states. [2020-09-11 16:08:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40856 to 14016. [2020-09-11 16:08:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-09-11 16:08:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-09-11 16:08:57,086 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-09-11 16:08:57,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:57,086 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-09-11 16:08:57,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 16:08:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-09-11 16:08:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:08:57,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:57,090 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 16:08:57,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-09-11 16:08:57,291 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 16:08:57,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:08:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2145591314, now seen corresponding path program 2 times [2020-09-11 16:08:57,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:08:57,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467482733] [2020-09-11 16:08:57,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:08:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:08:57,408 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 16:08:57,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467482733] [2020-09-11 16:08:57,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916664200] [2020-09-11 16:08:57,409 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 16:08:57,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-11 16:08:57,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 16:08:57,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 16:08:57,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:08:57,684 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 16:08:57,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:08:57,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 16:08:57,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824029126] [2020-09-11 16:08:57,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 16:08:57,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:08:57,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 16:08:57,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 16:08:57,686 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 16 states. [2020-09-11 16:08:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:08:59,248 INFO L93 Difference]: Finished difference Result 40809 states and 129085 transitions. [2020-09-11 16:08:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 16:08:59,249 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 16:08:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:08:59,324 INFO L225 Difference]: With dead ends: 40809 [2020-09-11 16:08:59,325 INFO L226 Difference]: Without dead ends: 40776 [2020-09-11 16:08:59,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-11 16:08:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40776 states. [2020-09-11 16:08:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40776 to 13814. [2020-09-11 16:08:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13814 states. [2020-09-11 16:08:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13814 states to 13814 states and 45293 transitions. [2020-09-11 16:08:59,820 INFO L78 Accepts]: Start accepts. Automaton has 13814 states and 45293 transitions. Word has length 26 [2020-09-11 16:08:59,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:08:59,820 INFO L479 AbstractCegarLoop]: Abstraction has 13814 states and 45293 transitions. [2020-09-11 16:08:59,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 16:08:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 13814 states and 45293 transitions. [2020-09-11 16:08:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:08:59,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:08:59,823 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 16:09:00,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-09-11 16:09:00,024 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 16:09:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:00,025 INFO L82 PathProgramCache]: Analyzing trace with hash 75485767, now seen corresponding path program 1 times [2020-09-11 16:09:00,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:00,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144529644] [2020-09-11 16:09:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:00,134 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 16:09:00,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144529644] [2020-09-11 16:09:00,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663889060] [2020-09-11 16:09:00,135 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 16:09:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:00,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:09:00,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:09:00,294 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 16:09:00,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:09:00,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:09:00,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971117911] [2020-09-11 16:09:00,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:09:00,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:00,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:09:00,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:09:00,296 INFO L87 Difference]: Start difference. First operand 13814 states and 45293 transitions. Second operand 12 states. [2020-09-11 16:09:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:01,071 INFO L93 Difference]: Finished difference Result 31476 states and 100257 transitions. [2020-09-11 16:09:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:09:01,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 16:09:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:01,130 INFO L225 Difference]: With dead ends: 31476 [2020-09-11 16:09:01,130 INFO L226 Difference]: Without dead ends: 31440 [2020-09-11 16:09:01,131 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 16:09:01,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31440 states. [2020-09-11 16:09:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31440 to 14284. [2020-09-11 16:09:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14284 states. [2020-09-11 16:09:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14284 states to 14284 states and 47044 transitions. [2020-09-11 16:09:01,566 INFO L78 Accepts]: Start accepts. Automaton has 14284 states and 47044 transitions. Word has length 26 [2020-09-11 16:09:01,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:01,566 INFO L479 AbstractCegarLoop]: Abstraction has 14284 states and 47044 transitions. [2020-09-11 16:09:01,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:09:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14284 states and 47044 transitions. [2020-09-11 16:09:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:01,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:01,570 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 16:09:01,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:09:01,771 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 16:09:01,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:01,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1433999852, now seen corresponding path program 1 times [2020-09-11 16:09:01,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:01,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117992797] [2020-09-11 16:09:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:02,029 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 16:09:02,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117992797] [2020-09-11 16:09:02,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883690536] [2020-09-11 16:09:02,030 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:09:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:02,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 16:09:02,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:09:02,292 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 16:09:02,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:09:02,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-11 16:09:02,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515774878] [2020-09-11 16:09:02,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 16:09:02,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:02,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 16:09:02,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-11 16:09:02,294 INFO L87 Difference]: Start difference. First operand 14284 states and 47044 transitions. Second operand 16 states. [2020-09-11 16:09:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:03,973 INFO L93 Difference]: Finished difference Result 41255 states and 130887 transitions. [2020-09-11 16:09:03,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-11 16:09:03,974 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-11 16:09:03,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:04,052 INFO L225 Difference]: With dead ends: 41255 [2020-09-11 16:09:04,052 INFO L226 Difference]: Without dead ends: 41194 [2020-09-11 16:09:04,053 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 16:09:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41194 states. [2020-09-11 16:09:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41194 to 14132. [2020-09-11 16:09:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-09-11 16:09:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-09-11 16:09:04,556 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-09-11 16:09:04,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:04,556 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-09-11 16:09:04,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 16:09:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-09-11 16:09:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:04,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:04,560 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 16:09:04,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2020-09-11 16:09:04,761 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 16:09:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1843074133, now seen corresponding path program 1 times [2020-09-11 16:09:04,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:04,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178346103] [2020-09-11 16:09:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-11 16:09:04,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178346103] [2020-09-11 16:09:04,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604767403] [2020-09-11 16:09:04,847 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:09:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:04,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-11 16:09:04,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 16:09:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-11 16:09:05,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 16:09:05,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-11 16:09:05,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306449] [2020-09-11 16:09:05,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-11 16:09:05,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:05,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-11 16:09:05,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-11 16:09:05,041 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 12 states. [2020-09-11 16:09:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:05,761 INFO L93 Difference]: Finished difference Result 32868 states and 106131 transitions. [2020-09-11 16:09:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:09:05,762 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-11 16:09:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:05,866 INFO L225 Difference]: With dead ends: 32868 [2020-09-11 16:09:05,866 INFO L226 Difference]: Without dead ends: 32842 [2020-09-11 16:09:05,867 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 16:09:06,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32842 states. [2020-09-11 16:09:06,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32842 to 14171. [2020-09-11 16:09:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14171 states. [2020-09-11 16:09:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14171 states to 14171 states and 46691 transitions. [2020-09-11 16:09:06,615 INFO L78 Accepts]: Start accepts. Automaton has 14171 states and 46691 transitions. Word has length 26 [2020-09-11 16:09:06,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:06,616 INFO L479 AbstractCegarLoop]: Abstraction has 14171 states and 46691 transitions. [2020-09-11 16:09:06,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-11 16:09:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 14171 states and 46691 transitions. [2020-09-11 16:09:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:06,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:06,621 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 16:09:06,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 16:09:06,835 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 16:09:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:06,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1288861438, now seen corresponding path program 1 times [2020-09-11 16:09:06,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:06,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967340128] [2020-09-11 16:09:06,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:06,930 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 16:09:06,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967340128] [2020-09-11 16:09:06,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:09:06,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:09:06,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474289742] [2020-09-11 16:09:06,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:09:06,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:06,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:09:06,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:09:06,932 INFO L87 Difference]: Start difference. First operand 14171 states and 46691 transitions. Second operand 7 states. [2020-09-11 16:09:07,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:07,562 INFO L93 Difference]: Finished difference Result 30961 states and 98367 transitions. [2020-09-11 16:09:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:09:07,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 16:09:07,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:07,620 INFO L225 Difference]: With dead ends: 30961 [2020-09-11 16:09:07,620 INFO L226 Difference]: Without dead ends: 30919 [2020-09-11 16:09:07,620 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 16:09:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2020-09-11 16:09:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 14526. [2020-09-11 16:09:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14526 states. [2020-09-11 16:09:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 47951 transitions. [2020-09-11 16:09:08,043 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 47951 transitions. Word has length 26 [2020-09-11 16:09:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:08,044 INFO L479 AbstractCegarLoop]: Abstraction has 14526 states and 47951 transitions. [2020-09-11 16:09:08,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:09:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 47951 transitions. [2020-09-11 16:09:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:08,049 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:08,049 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 16:09:08,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-09-11 16:09:08,049 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 16:09:08,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:08,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1288773863, now seen corresponding path program 1 times [2020-09-11 16:09:08,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:08,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894162944] [2020-09-11 16:09:08,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:08,156 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 16:09:08,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894162944] [2020-09-11 16:09:08,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:09:08,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:09:08,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831714526] [2020-09-11 16:09:08,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:09:08,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:08,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:09:08,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:09:08,158 INFO L87 Difference]: Start difference. First operand 14526 states and 47951 transitions. Second operand 7 states. [2020-09-11 16:09:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:08,787 INFO L93 Difference]: Finished difference Result 31047 states and 98602 transitions. [2020-09-11 16:09:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:09:08,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 16:09:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:08,846 INFO L225 Difference]: With dead ends: 31047 [2020-09-11 16:09:08,846 INFO L226 Difference]: Without dead ends: 31005 [2020-09-11 16:09:08,847 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 16:09:09,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31005 states. [2020-09-11 16:09:09,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31005 to 14408. [2020-09-11 16:09:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14408 states. [2020-09-11 16:09:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 47461 transitions. [2020-09-11 16:09:09,411 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 47461 transitions. Word has length 26 [2020-09-11 16:09:09,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:09,411 INFO L479 AbstractCegarLoop]: Abstraction has 14408 states and 47461 transitions. [2020-09-11 16:09:09,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:09:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 47461 transitions. [2020-09-11 16:09:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:09,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:09,415 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 16:09:09,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-09-11 16:09:09,416 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 16:09:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:09,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1288707709, now seen corresponding path program 1 times [2020-09-11 16:09:09,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:09,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706255345] [2020-09-11 16:09:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 16:09:09,507 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 16:09:09,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706255345] [2020-09-11 16:09:09,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 16:09:09,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-11 16:09:09,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366011221] [2020-09-11 16:09:09,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 16:09:09,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 16:09:09,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 16:09:09,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 16:09:09,510 INFO L87 Difference]: Start difference. First operand 14408 states and 47461 transitions. Second operand 7 states. [2020-09-11 16:09:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 16:09:10,177 INFO L93 Difference]: Finished difference Result 33008 states and 106518 transitions. [2020-09-11 16:09:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-11 16:09:10,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-11 16:09:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 16:09:10,239 INFO L225 Difference]: With dead ends: 33008 [2020-09-11 16:09:10,239 INFO L226 Difference]: Without dead ends: 32988 [2020-09-11 16:09:10,240 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 16:09:10,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32988 states. [2020-09-11 16:09:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32988 to 14212. [2020-09-11 16:09:10,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14212 states. [2020-09-11 16:09:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14212 states to 14212 states and 46599 transitions. [2020-09-11 16:09:10,670 INFO L78 Accepts]: Start accepts. Automaton has 14212 states and 46599 transitions. Word has length 26 [2020-09-11 16:09:10,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 16:09:10,671 INFO L479 AbstractCegarLoop]: Abstraction has 14212 states and 46599 transitions. [2020-09-11 16:09:10,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 16:09:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 14212 states and 46599 transitions. [2020-09-11 16:09:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 16:09:10,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 16:09:10,675 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 16:09:10,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-09-11 16:09:10,675 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 16:09:10,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 16:09:10,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1151627457, now seen corresponding path program 1 times [2020-09-11 16:09:10,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 16:09:10,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574332840] [2020-09-11 16:09:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 16:09:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:09:10,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:09:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 16:09:10,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 16:09:10,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 16:09:10,712 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 16:09:10,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-09-11 16:09:10,713 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 16:09:10,713 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-11 16:09:10,713 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-09-11 16:09:10,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,745 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,765 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,765 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,765 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,765 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,765 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,766 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,766 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 16:09:10,776 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-11 16:09:10,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 16:09:10,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 16:09:10,776 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 16:09:10,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 16:09:10,777 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 16:09:10,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 16:09:10,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 16:09:10,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 16:09:10,779 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-09-11 16:09:10,779 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-11 16:09:10,813 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-11 16:09:10,813 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-11 16:09:10,817 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 641 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 16:09:10,827 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-11 16:09:10,861 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-11 16:09:10,861 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-11 16:09:10,864 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 641 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 16:09:10,874 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-09-11 16:09:10,874 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 16:09:15,678 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-09-11 16:09:16,655 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-11 16:09:17,044 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-11 16:09:17,308 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-11 16:09:17,965 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-09-11 16:09:18,113 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-11 16:09:18,126 INFO L206 etLargeBlockEncoding]: Checked pairs total: 25601 [2020-09-11 16:09:18,127 INFO L214 etLargeBlockEncoding]: Total number of compositions: 202 [2020-09-11 16:09:18,127 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 67 transitions, 254 flow Received shutdown request... [2020-09-11 16:10:01,905 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-11 16:10:01,909 WARN L228 ceAbstractionStarter]: Timeout [2020-09-11 16:10:01,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 04:10:01 BasicIcfg [2020-09-11 16:10:01,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 16:10:01,913 INFO L168 Benchmark]: Toolchain (without parser) took 210020.14 ms. Allocated memory was 141.6 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 102.2 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,913 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 141.6 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.52 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 163.2 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.00 ms. Allocated memory is still 204.5 MB. Free memory was 163.2 MB in the beginning and 161.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,917 INFO L168 Benchmark]: Boogie Preprocessor took 32.38 ms. Allocated memory is still 204.5 MB. Free memory was 161.3 MB in the beginning and 159.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,917 INFO L168 Benchmark]: RCFGBuilder took 500.76 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 136.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,918 INFO L168 Benchmark]: TraceAbstraction took 208608.10 ms. Allocated memory was 204.5 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 135.6 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-09-11 16:10:01,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 141.6 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 791.52 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 163.2 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.00 ms. Allocated memory is still 204.5 MB. Free memory was 163.2 MB in the beginning and 161.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.38 ms. Allocated memory is still 204.5 MB. Free memory was 161.3 MB in the beginning and 159.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.76 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 136.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208608.10 ms. Allocated memory was 204.5 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 135.6 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.3s, 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, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1089 CheckedPairsTotal, 77 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.3s, 107 ProgramPointsBefore, 36 ProgramPointsAfterwards, 105 TransitionsBefore, 28 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 1586 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 3583 CheckedPairsTotal, 94 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.3s, 137 ProgramPointsBefore, 49 ProgramPointsAfterwards, 134 TransitionsBefore, 38 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 2814 VarBasedMoverChecksPositive, 59 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 7545 CheckedPairsTotal, 120 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.2s, 167 ProgramPointsBefore, 59 ProgramPointsAfterwards, 163 TransitionsBefore, 48 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 52 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 23 ConcurrentYvCompositions, 7 ChoiceCompositions, 4306 VarBasedMoverChecksPositive, 105 VarBasedMoverChecksNegative, 93 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 10326 CheckedPairsTotal, 154 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.9s, 197 ProgramPointsBefore, 73 ProgramPointsAfterwards, 192 TransitionsBefore, 57 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 7 FixpointIterations, 67 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 27 ConcurrentYvCompositions, 11 ChoiceCompositions, 6349 VarBasedMoverChecksPositive, 111 VarBasedMoverChecksNegative, 54 SemBasedMoverChecksPositive, 73 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 17154 CheckedPairsTotal, 177 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 7.3s, 227 ProgramPointsBefore, 86 ProgramPointsAfterwards, 221 TransitionsBefore, 67 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 7 FixpointIterations, 71 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 28 ConcurrentYvCompositions, 13 ChoiceCompositions, 8820 VarBasedMoverChecksPositive, 201 VarBasedMoverChecksNegative, 163 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 25601 CheckedPairsTotal, 202 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, 67 transitions, 254 flow. Already constructed 192379 states. Currently 46739 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 208.1s, OverallIterations: 47, TraceHistogramMax: 6, AutomataDifference: 48.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 97.0s, HoareTripleCheckerStatistics: 2135 SDtfs, 10032 SDslu, 7486 SDs, 0 SdLazy, 10464 SolverSat, 752 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 735 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 497 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2070 ImplicationChecksByTransitivity, 5.8s 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: 52.1s AutomataMinimizationTime, 42 MinimizatonAttempts, 551581 StatesRemovedByMinimization, 39 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1143 NumberOfCodeBlocks, 1143 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 129701 SizeOfPredicates, 64 NumberOfNonLiveVariables, 2174 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 56 InterpolantComputations, 28 PerfectInterpolantSequences, 224/378 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