/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:13:00,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:13:00,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:13:00,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:13:00,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:13:00,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:13:00,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:13:00,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:13:00,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:13:00,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:13:00,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:13:00,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:13:00,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:13:00,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:13:00,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:13:00,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:13:00,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:13:00,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:13:00,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:13:00,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:13:00,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:13:00,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:13:00,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:13:00,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:13:00,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 23:13:00,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 23:13:00,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 23:13:00,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 23:13:00,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 23:13:00,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 23:13:00,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:13:00,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:13:00,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:13:00,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:13:00,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:13:00,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:13:00,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:13:00,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:13:00,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:13:00,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:13:00,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:13:00,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 23:13:00,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:13:00,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:13:00,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:13:00,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:13:00,898 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:13:00,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:13:00,899 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:13:00,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:13:00,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:13:00,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:13:00,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:13:00,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:13:00,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:13:00,900 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:13:00,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:13:00,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:13:00,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:13:00,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:13:00,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:13:00,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:13:00,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:13:00,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:13:00,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:13:00,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:13:00,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:13:00,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:13:00,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:13:00,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 23:13:00,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:13:01,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:13:01,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:13:01,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:13:01,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:13:01,272 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:13:01,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-15 23:13:01,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4bef9b/61f2ba24699b44b5914549aa511ac318/FLAG611e66d16 [2020-10-15 23:13:01,866 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:13:01,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-15 23:13:01,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4bef9b/61f2ba24699b44b5914549aa511ac318/FLAG611e66d16 [2020-10-15 23:13:02,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa4bef9b/61f2ba24699b44b5914549aa511ac318 [2020-10-15 23:13:02,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:13:02,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:13:02,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:13:02,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:13:02,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:13:02,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:13:02" (1/1) ... [2020-10-15 23:13:02,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec7b9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:02, skipping insertion in model container [2020-10-15 23:13:02,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:13:02" (1/1) ... [2020-10-15 23:13:02,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:13:02,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:13:02,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:13:02,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:13:02,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:13:03,019 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:13:03,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03 WrapperNode [2020-10-15 23:13:03,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:13:03,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:13:03,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:13:03,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:13:03,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:13:03,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:13:03,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:13:03,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:13:03,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... [2020-10-15 23:13:03,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:13:03,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:13:03,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:13:03,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:13:03,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:13:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-15 23:13:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-15 23:13:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 23:13:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 23:13:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:13:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:13:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:13:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:13:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:13:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:13:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:13:03,247 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:13:03,667 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:13:03,668 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-15 23:13:03,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:13:03 BoogieIcfgContainer [2020-10-15 23:13:03,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:13:03,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:13:03,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:13:03,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:13:03,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:13:02" (1/3) ... [2020-10-15 23:13:03,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3449d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:13:03, skipping insertion in model container [2020-10-15 23:13:03,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:13:03" (2/3) ... [2020-10-15 23:13:03,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3449d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:13:03, skipping insertion in model container [2020-10-15 23:13:03,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:13:03" (3/3) ... [2020-10-15 23:13:03,679 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-10-15 23:13:03,691 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 23:13:03,692 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:13:03,700 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 23:13:03,701 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:13:03,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:03,766 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 23:13:03,788 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:13:03,788 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:13:03,788 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:13:03,788 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:13:03,788 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:13:03,789 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:13:03,789 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:13:03,789 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:13:03,803 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:13:03,805 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-15 23:13:03,808 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-15 23:13:03,810 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-15 23:13:03,862 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-15 23:13:03,863 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:13:03,869 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. [2020-10-15 23:13:03,872 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-15 23:13:05,510 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-10-15 23:13:06,048 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-15 23:13:06,476 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-15 23:13:06,713 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 23:13:06,718 INFO L132 LiptonReduction]: Checked pairs total: 1201 [2020-10-15 23:13:06,718 INFO L134 LiptonReduction]: Total number of compositions: 82 [2020-10-15 23:13:06,725 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-10-15 23:13:06,734 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-15 23:13:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-15 23:13:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:13:06,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:06,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:13:06,742 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:06,747 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-10-15 23:13:06,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:06,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040635033] [2020-10-15 23:13:06,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:06,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040635033] [2020-10-15 23:13:06,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:06,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:13:06,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215506081] [2020-10-15 23:13:06,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:06,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:06,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:06,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:06,956 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-10-15 23:13:07,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:07,016 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-10-15 23:13:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:07,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:13:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:07,028 INFO L225 Difference]: With dead ends: 35 [2020-10-15 23:13:07,028 INFO L226 Difference]: Without dead ends: 31 [2020-10-15 23:13:07,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-15 23:13:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-15 23:13:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-15 23:13:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-10-15 23:13:07,065 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-10-15 23:13:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:07,065 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-10-15 23:13:07,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-10-15 23:13:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 23:13:07,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:07,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:07,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:13:07,067 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:07,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:07,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-10-15 23:13:07,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:07,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823723119] [2020-10-15 23:13:07,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:07,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823723119] [2020-10-15 23:13:07,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:07,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:13:07,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088909928] [2020-10-15 23:13:07,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 23:13:07,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 23:13:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 23:13:07,211 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-10-15 23:13:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:07,238 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-10-15 23:13:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 23:13:07,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-15 23:13:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:07,239 INFO L225 Difference]: With dead ends: 26 [2020-10-15 23:13:07,239 INFO L226 Difference]: Without dead ends: 24 [2020-10-15 23:13:07,240 INFO L677 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 [2020-10-15 23:13:07,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-15 23:13:07,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-15 23:13:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-15 23:13:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-10-15 23:13:07,245 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-10-15 23:13:07,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:07,246 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-10-15 23:13:07,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 23:13:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-10-15 23:13:07,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 23:13:07,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:07,247 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:07,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:13:07,247 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:07,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:07,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-10-15 23:13:07,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:07,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509881540] [2020-10-15 23:13:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:07,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:07,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:07,347 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:13:07,347 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:13:07,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:13:07,348 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:13:07,350 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 23:13:07,350 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 23:13:07,364 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,364 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,367 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,367 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,368 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,368 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,368 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,368 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,369 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,369 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,369 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,369 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,370 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,370 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,370 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,370 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,370 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,371 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,371 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,371 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,372 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,372 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,372 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,373 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,373 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,374 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,374 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,379 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,379 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,379 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,379 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,391 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,392 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:07,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 23:13:07,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:13:07,400 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:13:07,400 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:13:07,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:13:07,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:13:07,401 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:13:07,401 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:13:07,401 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:13:07,403 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:13:07,403 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-15 23:13:07,403 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-15 23:13:07,404 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-15 23:13:07,458 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-15 23:13:07,459 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:13:07,462 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. [2020-10-15 23:13:07,467 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-15 23:13:09,314 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-10-15 23:13:09,956 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-15 23:13:10,067 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 23:13:10,116 INFO L132 LiptonReduction]: Checked pairs total: 4121 [2020-10-15 23:13:10,117 INFO L134 LiptonReduction]: Total number of compositions: 100 [2020-10-15 23:13:10,120 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-10-15 23:13:10,170 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-10-15 23:13:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-10-15 23:13:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:13:10,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:10,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:13:10,172 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:10,172 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-10-15 23:13:10,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:10,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346054507] [2020-10-15 23:13:10,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:10,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346054507] [2020-10-15 23:13:10,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:10,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:13:10,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758732427] [2020-10-15 23:13:10,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:10,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:10,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:10,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:10,218 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-10-15 23:13:10,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:10,278 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-10-15 23:13:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:10,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:13:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:10,309 INFO L225 Difference]: With dead ends: 748 [2020-10-15 23:13:10,310 INFO L226 Difference]: Without dead ends: 691 [2020-10-15 23:13:10,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-10-15 23:13:10,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-10-15 23:13:10,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-15 23:13:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-10-15 23:13:10,412 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-10-15 23:13:10,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:10,413 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-10-15 23:13:10,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-10-15 23:13:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 23:13:10,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:10,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:10,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 23:13:10,414 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-10-15 23:13:10,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:10,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67698878] [2020-10-15 23:13:10,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:10,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67698878] [2020-10-15 23:13:10,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:10,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:10,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210579845] [2020-10-15 23:13:10,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:10,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:10,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:10,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:10,480 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-10-15 23:13:10,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:10,608 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-10-15 23:13:10,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:10,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 23:13:10,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:10,616 INFO L225 Difference]: With dead ends: 900 [2020-10-15 23:13:10,617 INFO L226 Difference]: Without dead ends: 880 [2020-10-15 23:13:10,617 INFO L677 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 [2020-10-15 23:13:10,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-15 23:13:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-10-15 23:13:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-15 23:13:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-10-15 23:13:10,650 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-10-15 23:13:10,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:10,651 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-10-15 23:13:10,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-10-15 23:13:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 23:13:10,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:10,653 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:10,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 23:13:10,654 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:10,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:10,655 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-10-15 23:13:10,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:10,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230407943] [2020-10-15 23:13:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:10,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:10,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:10,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:13:10,712 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:13:10,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 23:13:10,713 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:13:10,713 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 23:13:10,715 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 23:13:10,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,730 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,747 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,747 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,747 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,748 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,749 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,750 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,750 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,750 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:10,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 23:13:10,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:13:10,761 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:13:10,761 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:13:10,761 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:13:10,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:13:10,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:13:10,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:13:10,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:13:10,764 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:13:10,764 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-15 23:13:10,764 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-15 23:13:10,764 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-15 23:13:10,794 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-15 23:13:10,794 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 23:13:10,796 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. [2020-10-15 23:13:10,802 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-15 23:13:13,799 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-15 23:13:14,151 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-15 23:13:14,258 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 23:13:14,268 INFO L132 LiptonReduction]: Checked pairs total: 8721 [2020-10-15 23:13:14,268 INFO L134 LiptonReduction]: Total number of compositions: 128 [2020-10-15 23:13:14,269 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-10-15 23:13:14,521 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-10-15 23:13:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-10-15 23:13:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:13:14,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:14,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:13:14,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:14,523 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-10-15 23:13:14,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:14,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084269696] [2020-10-15 23:13:14,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:14,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084269696] [2020-10-15 23:13:14,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:14,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:13:14,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118283327] [2020-10-15 23:13:14,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:14,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:14,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:14,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:14,595 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-10-15 23:13:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:14,700 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-10-15 23:13:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:14,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:13:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:14,744 INFO L225 Difference]: With dead ends: 4669 [2020-10-15 23:13:14,745 INFO L226 Difference]: Without dead ends: 4342 [2020-10-15 23:13:14,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-10-15 23:13:14,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-10-15 23:13:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-10-15 23:13:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-10-15 23:13:14,977 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-10-15 23:13:14,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:14,978 INFO L481 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-10-15 23:13:14,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-10-15 23:13:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 23:13:14,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:14,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:14,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 23:13:14,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:14,980 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-10-15 23:13:14,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:14,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869097091] [2020-10-15 23:13:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:15,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869097091] [2020-10-15 23:13:15,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:15,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:15,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522473846] [2020-10-15 23:13:15,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:15,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:15,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:15,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:15,054 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-10-15 23:13:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:15,248 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-10-15 23:13:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:15,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 23:13:15,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:15,327 INFO L225 Difference]: With dead ends: 6408 [2020-10-15 23:13:15,327 INFO L226 Difference]: Without dead ends: 6352 [2020-10-15 23:13:15,328 INFO L677 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 [2020-10-15 23:13:15,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-10-15 23:13:15,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-10-15 23:13:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-15 23:13:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-10-15 23:13:15,544 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-10-15 23:13:15,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:15,544 INFO L481 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-10-15 23:13:15,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-10-15 23:13:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 23:13:15,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:15,551 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:15,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 23:13:15,551 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:15,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:15,551 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-10-15 23:13:15,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:15,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101882477] [2020-10-15 23:13:15,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:13:15,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101882477] [2020-10-15 23:13:15,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:15,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:15,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728512082] [2020-10-15 23:13:15,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:15,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:15,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:15,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:15,699 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-10-15 23:13:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:15,862 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-10-15 23:13:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:15,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 23:13:15,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:15,893 INFO L225 Difference]: With dead ends: 6754 [2020-10-15 23:13:15,893 INFO L226 Difference]: Without dead ends: 6698 [2020-10-15 23:13:15,894 INFO L677 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 [2020-10-15 23:13:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-10-15 23:13:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-10-15 23:13:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-10-15 23:13:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-10-15 23:13:16,077 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-10-15 23:13:16,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:16,077 INFO L481 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-10-15 23:13:16,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-10-15 23:13:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 23:13:16,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:16,079 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:16,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 23:13:16,080 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:16,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:16,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-10-15 23:13:16,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:16,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856181887] [2020-10-15 23:13:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:16,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856181887] [2020-10-15 23:13:16,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:16,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:16,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241553900] [2020-10-15 23:13:16,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:16,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:16,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:16,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:16,130 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-10-15 23:13:16,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:16,160 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-10-15 23:13:16,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:16,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 23:13:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:16,166 INFO L225 Difference]: With dead ends: 1628 [2020-10-15 23:13:16,166 INFO L226 Difference]: Without dead ends: 1628 [2020-10-15 23:13:16,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-15 23:13:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-10-15 23:13:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-10-15 23:13:16,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-10-15 23:13:16,214 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-10-15 23:13:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:16,215 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-10-15 23:13:16,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-10-15 23:13:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:16,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:16,216 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:16,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 23:13:16,217 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:16,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:16,217 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-10-15 23:13:16,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:16,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836582376] [2020-10-15 23:13:16,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:16,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836582376] [2020-10-15 23:13:16,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034573676] [2020-10-15 23:13:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:13:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:16,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:13:16,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:13:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:16,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:13:16,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:13:16,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753740491] [2020-10-15 23:13:16,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:13:16,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:16,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:13:16,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:13:16,465 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-10-15 23:13:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:16,846 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-10-15 23:13:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:16,847 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 23:13:16,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:16,857 INFO L225 Difference]: With dead ends: 2817 [2020-10-15 23:13:16,858 INFO L226 Difference]: Without dead ends: 2796 [2020-10-15 23:13:16,858 INFO L677 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 [2020-10-15 23:13:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-10-15 23:13:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-10-15 23:13:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-15 23:13:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-10-15 23:13:16,921 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-10-15 23:13:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:16,921 INFO L481 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-10-15 23:13:16,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:13:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-10-15 23:13:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:16,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:16,923 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:17,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-15 23:13:17,137 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:17,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-10-15 23:13:17,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:17,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897813427] [2020-10-15 23:13:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:13:17,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897813427] [2020-10-15 23:13:17,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:17,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:13:17,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231394067] [2020-10-15 23:13:17,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:13:17,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:17,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:13:17,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:13:17,221 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-10-15 23:13:17,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:17,569 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-10-15 23:13:17,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:17,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 23:13:17,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:17,577 INFO L225 Difference]: With dead ends: 2731 [2020-10-15 23:13:17,577 INFO L226 Difference]: Without dead ends: 2698 [2020-10-15 23:13:17,578 INFO L677 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 [2020-10-15 23:13:17,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-10-15 23:13:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-10-15 23:13:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-10-15 23:13:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-10-15 23:13:17,625 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-10-15 23:13:17,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:17,625 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-10-15 23:13:17,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:13:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-10-15 23:13:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:17,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:17,627 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:17,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 23:13:17,627 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:17,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:17,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-10-15 23:13:17,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:17,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229153721] [2020-10-15 23:13:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 23:13:17,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229153721] [2020-10-15 23:13:17,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:17,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:17,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767626906] [2020-10-15 23:13:17,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:17,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:17,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:17,683 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-10-15 23:13:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:17,814 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-10-15 23:13:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:17,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 23:13:17,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:17,822 INFO L225 Difference]: With dead ends: 2245 [2020-10-15 23:13:17,823 INFO L226 Difference]: Without dead ends: 2233 [2020-10-15 23:13:17,823 INFO L677 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 [2020-10-15 23:13:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-10-15 23:13:17,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-10-15 23:13:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-15 23:13:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-10-15 23:13:17,871 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-10-15 23:13:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:17,871 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-10-15 23:13:17,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-10-15 23:13:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:17,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:17,873 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:17,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 23:13:17,874 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:13:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:17,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-10-15 23:13:17,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:17,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704821553] [2020-10-15 23:13:17,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:17,886 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:17,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:17,904 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:13:17,904 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:13:17,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 23:13:17,905 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:13:17,905 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 23:13:17,906 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 23:13:17,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,921 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,926 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:17,957 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 23:13:17,957 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:13:17,957 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:13:17,957 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:13:17,957 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:13:17,958 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:13:17,958 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:13:17,958 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:13:17,958 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:13:17,960 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:13:17,960 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-15 23:13:17,960 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-15 23:13:17,960 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-15 23:13:18,001 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-15 23:13:18,002 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 23:13:18,005 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. [2020-10-15 23:13:18,016 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-15 23:13:21,485 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 23:13:21,700 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 23:13:22,084 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-15 23:13:22,209 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 23:13:22,217 INFO L132 LiptonReduction]: Checked pairs total: 11844 [2020-10-15 23:13:22,218 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-15 23:13:22,218 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 48 transitions, 160 flow [2020-10-15 23:13:23,233 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-10-15 23:13:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-10-15 23:13:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:13:23,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:23,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:13:23,234 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:23,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:23,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1182523, now seen corresponding path program 1 times [2020-10-15 23:13:23,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:23,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240770001] [2020-10-15 23:13:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:23,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240770001] [2020-10-15 23:13:23,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:23,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:13:23,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771378047] [2020-10-15 23:13:23,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:23,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:23,254 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-10-15 23:13:23,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:23,442 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-10-15 23:13:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:23,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:13:23,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:23,527 INFO L225 Difference]: With dead ends: 15456 [2020-10-15 23:13:23,527 INFO L226 Difference]: Without dead ends: 14450 [2020-10-15 23:13:23,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:24,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-10-15 23:13:24,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-10-15 23:13:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-10-15 23:13:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-10-15 23:13:24,435 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-10-15 23:13:24,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:24,435 INFO L481 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-10-15 23:13:24,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-10-15 23:13:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 23:13:24,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:24,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:24,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 23:13:24,436 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:24,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1868590315, now seen corresponding path program 1 times [2020-10-15 23:13:24,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:24,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628769663] [2020-10-15 23:13:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:24,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628769663] [2020-10-15 23:13:24,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:24,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:24,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020375677] [2020-10-15 23:13:24,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:24,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:24,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:24,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:24,471 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-10-15 23:13:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:24,720 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-10-15 23:13:24,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:24,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 23:13:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:24,821 INFO L225 Difference]: With dead ends: 23586 [2020-10-15 23:13:24,821 INFO L226 Difference]: Without dead ends: 23544 [2020-10-15 23:13:24,822 INFO L677 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 [2020-10-15 23:13:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-10-15 23:13:26,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-10-15 23:13:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-10-15 23:13:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-10-15 23:13:26,931 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-10-15 23:13:26,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:26,931 INFO L481 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-10-15 23:13:26,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-10-15 23:13:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 23:13:26,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:26,932 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:26,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 23:13:26,935 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:26,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:26,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1801459304, now seen corresponding path program 1 times [2020-10-15 23:13:26,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:26,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495292832] [2020-10-15 23:13:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:13:26,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495292832] [2020-10-15 23:13:26,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:26,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:26,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645724371] [2020-10-15 23:13:26,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:26,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:26,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:26,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:26,971 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-10-15 23:13:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:27,387 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-10-15 23:13:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:27,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 23:13:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:27,513 INFO L225 Difference]: With dead ends: 25978 [2020-10-15 23:13:27,513 INFO L226 Difference]: Without dead ends: 25910 [2020-10-15 23:13:27,513 INFO L677 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 [2020-10-15 23:13:27,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-10-15 23:13:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-10-15 23:13:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-10-15 23:13:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-10-15 23:13:28,692 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-10-15 23:13:28,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:28,692 INFO L481 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-10-15 23:13:28,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-10-15 23:13:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 23:13:28,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:28,699 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:28,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 23:13:28,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:28,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:28,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1447988544, now seen corresponding path program 1 times [2020-10-15 23:13:28,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:28,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575104178] [2020-10-15 23:13:28,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:28,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575104178] [2020-10-15 23:13:28,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:28,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:28,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649578087] [2020-10-15 23:13:28,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:13:28,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:28,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:13:28,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:28,743 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-10-15 23:13:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:28,785 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-10-15 23:13:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:13:28,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 23:13:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:28,793 INFO L225 Difference]: With dead ends: 3357 [2020-10-15 23:13:28,793 INFO L226 Difference]: Without dead ends: 3357 [2020-10-15 23:13:28,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:13:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-10-15 23:13:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-10-15 23:13:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-10-15 23:13:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-10-15 23:13:28,886 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-10-15 23:13:28,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:28,887 INFO L481 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-10-15 23:13:28,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:13:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-10-15 23:13:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:28,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:28,889 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:28,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 23:13:28,889 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash -905254240, now seen corresponding path program 1 times [2020-10-15 23:13:28,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:28,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674112773] [2020-10-15 23:13:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:28,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674112773] [2020-10-15 23:13:28,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638741557] [2020-10-15 23:13:28,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:13:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:29,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:13:29,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:13:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:13:29,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:13:29,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:13:29,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140671749] [2020-10-15 23:13:29,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:13:29,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:29,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:13:29,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:13:29,127 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 12 states. [2020-10-15 23:13:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:29,526 INFO L93 Difference]: Finished difference Result 5986 states and 16536 transitions. [2020-10-15 23:13:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:29,527 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 23:13:29,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:29,536 INFO L225 Difference]: With dead ends: 5986 [2020-10-15 23:13:29,536 INFO L226 Difference]: Without dead ends: 5962 [2020-10-15 23:13:29,536 INFO L677 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 [2020-10-15 23:13:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2020-10-15 23:13:29,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3137. [2020-10-15 23:13:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-15 23:13:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 9109 transitions. [2020-10-15 23:13:29,633 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 9109 transitions. Word has length 18 [2020-10-15 23:13:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:29,633 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 9109 transitions. [2020-10-15 23:13:29,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:13:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 9109 transitions. [2020-10-15 23:13:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:29,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:29,635 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:29,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:13:29,849 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:29,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:29,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1569744228, now seen corresponding path program 1 times [2020-10-15 23:13:29,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:29,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184660607] [2020-10-15 23:13:29,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 23:13:29,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184660607] [2020-10-15 23:13:29,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:29,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:13:29,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673213843] [2020-10-15 23:13:29,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:13:29,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:29,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:13:29,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:13:29,886 INFO L87 Difference]: Start difference. First operand 3137 states and 9109 transitions. Second operand 5 states. [2020-10-15 23:13:30,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:30,019 INFO L93 Difference]: Finished difference Result 5118 states and 14425 transitions. [2020-10-15 23:13:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:13:30,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 23:13:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:30,026 INFO L225 Difference]: With dead ends: 5118 [2020-10-15 23:13:30,026 INFO L226 Difference]: Without dead ends: 5108 [2020-10-15 23:13:30,027 INFO L677 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 [2020-10-15 23:13:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2020-10-15 23:13:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 3381. [2020-10-15 23:13:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-10-15 23:13:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-10-15 23:13:30,094 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-10-15 23:13:30,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:30,095 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-10-15 23:13:30,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:13:30,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-10-15 23:13:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:13:30,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:30,096 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:30,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 23:13:30,096 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:30,096 INFO L82 PathProgramCache]: Analyzing trace with hash 162149792, now seen corresponding path program 1 times [2020-10-15 23:13:30,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:30,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765279111] [2020-10-15 23:13:30,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:30,283 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2020-10-15 23:13:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:13:30,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765279111] [2020-10-15 23:13:30,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:13:30,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:13:30,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662977232] [2020-10-15 23:13:30,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:13:30,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:30,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:13:30,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:13:30,307 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-10-15 23:13:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:30,656 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-10-15 23:13:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:30,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 23:13:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:30,670 INFO L225 Difference]: With dead ends: 6300 [2020-10-15 23:13:30,670 INFO L226 Difference]: Without dead ends: 6273 [2020-10-15 23:13:30,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-15 23:13:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-10-15 23:13:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-10-15 23:13:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-10-15 23:13:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-10-15 23:13:30,776 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-10-15 23:13:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:30,777 INFO L481 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-10-15 23:13:30,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:13:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-10-15 23:13:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:13:30,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:30,779 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:30,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 23:13:30,779 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash -287862172, now seen corresponding path program 1 times [2020-10-15 23:13:30,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:30,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189056445] [2020-10-15 23:13:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:13:30,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189056445] [2020-10-15 23:13:30,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994333618] [2020-10-15 23:13:30,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:13:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:30,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:13:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:13:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:13:31,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:13:31,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:13:31,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681002686] [2020-10-15 23:13:31,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:13:31,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:31,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:13:31,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:13:31,014 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-10-15 23:13:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:31,412 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-10-15 23:13:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:31,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 23:13:31,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:31,421 INFO L225 Difference]: With dead ends: 6095 [2020-10-15 23:13:31,421 INFO L226 Difference]: Without dead ends: 6079 [2020-10-15 23:13:31,421 INFO L677 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 [2020-10-15 23:13:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-10-15 23:13:31,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3114. [2020-10-15 23:13:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-15 23:13:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9010 transitions. [2020-10-15 23:13:31,491 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9010 transitions. Word has length 22 [2020-10-15 23:13:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:31,492 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 9010 transitions. [2020-10-15 23:13:31,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:13:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9010 transitions. [2020-10-15 23:13:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:13:31,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:31,493 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:31,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-15 23:13:31,705 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:31,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:31,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1897707635, now seen corresponding path program 1 times [2020-10-15 23:13:31,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:31,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884850517] [2020-10-15 23:13:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:13:31,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884850517] [2020-10-15 23:13:31,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178758632] [2020-10-15 23:13:31,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:13:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:13:31,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:13:31,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:13:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:13:31,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:13:31,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:13:31,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280690047] [2020-10-15 23:13:31,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:13:31,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:13:31,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:13:31,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:13:31,924 INFO L87 Difference]: Start difference. First operand 3114 states and 9010 transitions. Second operand 12 states. [2020-10-15 23:13:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:13:32,326 INFO L93 Difference]: Finished difference Result 6230 states and 17201 transitions. [2020-10-15 23:13:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:13:32,326 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 23:13:32,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:13:32,335 INFO L225 Difference]: With dead ends: 6230 [2020-10-15 23:13:32,336 INFO L226 Difference]: Without dead ends: 6214 [2020-10-15 23:13:32,336 INFO L677 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 [2020-10-15 23:13:32,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-10-15 23:13:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 3152. [2020-10-15 23:13:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3152 states. [2020-10-15 23:13:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 9145 transitions. [2020-10-15 23:13:32,406 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 9145 transitions. Word has length 22 [2020-10-15 23:13:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:13:32,407 INFO L481 AbstractCegarLoop]: Abstraction has 3152 states and 9145 transitions. [2020-10-15 23:13:32,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:13:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 9145 transitions. [2020-10-15 23:13:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:13:32,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:13:32,409 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:13:32,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:13:32,615 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 23:13:32,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:13:32,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1666591514, now seen corresponding path program 1 times [2020-10-15 23:13:32,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:13:32,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339424816] [2020-10-15 23:13:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:13:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:32,627 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:13:32,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:13:32,645 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:13:32,645 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:13:32,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 23:13:32,646 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:13:32,646 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 23:13:32,647 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 23:13:32,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:13:32,704 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 23:13:32,705 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:13:32,705 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:13:32,705 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:13:32,705 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:13:32,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:13:32,705 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:13:32,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:13:32,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:13:32,707 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:13:32,707 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-15 23:13:32,708 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-15 23:13:32,708 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-15 23:13:32,736 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-15 23:13:32,736 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 23:13:32,739 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. [2020-10-15 23:13:32,753 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-15 23:13:34,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-10-15 23:13:36,655 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-15 23:13:37,285 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-15 23:13:37,610 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 23:13:37,627 INFO L132 LiptonReduction]: Checked pairs total: 19978 [2020-10-15 23:13:37,628 INFO L134 LiptonReduction]: Total number of compositions: 188 [2020-10-15 23:13:37,628 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 57 transitions, 204 flow [2020-10-15 23:14:03,641 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-10-15 23:14:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-10-15 23:14:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:14:03,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:03,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:14:03,642 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:14:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:03,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1587786, now seen corresponding path program 1 times [2020-10-15 23:14:03,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:03,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221107302] [2020-10-15 23:14:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:14:03,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221107302] [2020-10-15 23:14:03,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:03,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:14:03,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017098296] [2020-10-15 23:14:03,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:14:03,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:03,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:14:03,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:14:03,660 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-10-15 23:14:04,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:04,590 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-10-15 23:14:04,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:14:04,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:14:04,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:05,026 INFO L225 Difference]: With dead ends: 118175 [2020-10-15 23:14:05,027 INFO L226 Difference]: Without dead ends: 110531 [2020-10-15 23:14:05,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:14:11,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-10-15 23:14:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-10-15 23:14:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-10-15 23:14:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-10-15 23:14:14,511 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-10-15 23:14:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:14,511 INFO L481 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-10-15 23:14:14,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:14:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-10-15 23:14:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 23:14:14,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:14,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:14,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 23:14:14,512 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:14:14,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:14,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1592599097, now seen corresponding path program 1 times [2020-10-15 23:14:14,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:14,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949566232] [2020-10-15 23:14:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:14:14,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949566232] [2020-10-15 23:14:14,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:14,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:14:14,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476916689] [2020-10-15 23:14:14,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:14:14,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:14,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:14:14,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:14:14,550 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-10-15 23:14:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:23,782 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-10-15 23:14:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:14:23,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 23:14:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:24,650 INFO L225 Difference]: With dead ends: 187755 [2020-10-15 23:14:24,651 INFO L226 Difference]: Without dead ends: 187578 [2020-10-15 23:14:24,651 INFO L677 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 [2020-10-15 23:14:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-10-15 23:14:30,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-10-15 23:14:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-10-15 23:14:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-10-15 23:14:31,145 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-10-15 23:14:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:31,146 INFO L481 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-10-15 23:14:31,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:14:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-10-15 23:14:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 23:14:31,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:31,146 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:31,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 23:14:31,147 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:14:31,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:31,147 INFO L82 PathProgramCache]: Analyzing trace with hash -2054167379, now seen corresponding path program 1 times [2020-10-15 23:14:31,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:31,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916478022] [2020-10-15 23:14:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:14:31,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916478022] [2020-10-15 23:14:31,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:31,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:14:31,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052156331] [2020-10-15 23:14:31,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:14:31,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:31,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:14:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:14:31,193 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-10-15 23:14:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:34,419 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-10-15 23:14:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:14:34,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-15 23:14:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:35,323 INFO L225 Difference]: With dead ends: 212246 [2020-10-15 23:14:35,323 INFO L226 Difference]: Without dead ends: 211934 [2020-10-15 23:14:35,324 INFO L677 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 [2020-10-15 23:14:47,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-10-15 23:14:50,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-10-15 23:14:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-10-15 23:14:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-10-15 23:14:51,306 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-10-15 23:14:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:51,306 INFO L481 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-10-15 23:14:51,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:14:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-10-15 23:14:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 23:14:51,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:51,308 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:51,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 23:14:51,308 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:14:51,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:51,308 INFO L82 PathProgramCache]: Analyzing trace with hash -53690513, now seen corresponding path program 1 times [2020-10-15 23:14:51,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:51,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286628147] [2020-10-15 23:14:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:14:51,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286628147] [2020-10-15 23:14:51,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:51,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:14:51,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413706828] [2020-10-15 23:14:51,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:14:51,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:51,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:14:51,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:14:51,330 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-10-15 23:14:51,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:51,439 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-10-15 23:14:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:14:51,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-15 23:14:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:51,478 INFO L225 Difference]: With dead ends: 14050 [2020-10-15 23:14:51,478 INFO L226 Difference]: Without dead ends: 14050 [2020-10-15 23:14:51,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:14:51,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-10-15 23:14:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-10-15 23:14:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-10-15 23:14:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-10-15 23:14:51,782 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-10-15 23:14:51,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:51,782 INFO L481 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-10-15 23:14:51,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:14:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-10-15 23:14:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:14:51,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:51,783 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:51,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-15 23:14:51,784 INFO L429 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]=== [2020-10-15 23:14:51,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:51,784 INFO L82 PathProgramCache]: Analyzing trace with hash 693844998, now seen corresponding path program 1 times [2020-10-15 23:14:51,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:51,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914500363] [2020-10-15 23:14:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:14:51,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914500363] [2020-10-15 23:14:51,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772908041] [2020-10-15 23:14:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:14:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:51,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:14:51,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:14:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:14:52,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:14:52,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:14:52,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441095791] [2020-10-15 23:14:52,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:14:52,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:52,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:14:52,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:14:52,021 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-10-15 23:14:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:52,615 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-10-15 23:14:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:14:52,616 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-15 23:14:52,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:52,670 INFO L225 Difference]: With dead ends: 28297 [2020-10-15 23:14:52,670 INFO L226 Difference]: Without dead ends: 28227 [2020-10-15 23:14:52,671 INFO L677 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 [2020-10-15 23:14:52,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-10-15 23:14:53,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-10-15 23:14:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-10-15 23:14:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-10-15 23:14:53,073 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-10-15 23:14:53,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:53,074 INFO L481 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-10-15 23:14:53,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:14:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-10-15 23:14:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:14:53,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:53,075 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:53,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-15 23:14:53,275 INFO L429 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]=== [2020-10-15 23:14:53,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:53,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1124175233, now seen corresponding path program 1 times [2020-10-15 23:14:53,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:53,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18941363] [2020-10-15 23:14:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 23:14:53,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18941363] [2020-10-15 23:14:53,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:53,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:14:53,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754484523] [2020-10-15 23:14:53,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:14:53,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:53,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:14:53,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:14:53,334 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-10-15 23:14:53,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:53,854 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-10-15 23:14:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:14:53,854 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-15 23:14:53,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:53,906 INFO L225 Difference]: With dead ends: 28575 [2020-10-15 23:14:53,906 INFO L226 Difference]: Without dead ends: 28491 [2020-10-15 23:14:53,907 INFO L677 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 [2020-10-15 23:14:54,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-10-15 23:14:55,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-10-15 23:14:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-10-15 23:14:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-10-15 23:14:55,762 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-10-15 23:14:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:55,763 INFO L481 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-10-15 23:14:55,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:14:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-10-15 23:14:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 23:14:55,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:55,763 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:55,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-15 23:14:55,764 INFO L429 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]=== [2020-10-15 23:14:55,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash 427682604, now seen corresponding path program 1 times [2020-10-15 23:14:55,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:55,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372972320] [2020-10-15 23:14:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 23:14:55,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372972320] [2020-10-15 23:14:55,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:55,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:14:55,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038992775] [2020-10-15 23:14:55,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:14:55,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:55,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:14:55,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:14:55,803 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-10-15 23:14:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:56,044 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-10-15 23:14:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:14:56,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 23:14:56,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:56,089 INFO L225 Difference]: With dead ends: 24605 [2020-10-15 23:14:56,089 INFO L226 Difference]: Without dead ends: 24581 [2020-10-15 23:14:56,089 INFO L677 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 [2020-10-15 23:14:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-10-15 23:14:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-10-15 23:14:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-10-15 23:14:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-10-15 23:14:56,461 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-10-15 23:14:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:56,461 INFO L481 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-10-15 23:14:56,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:14:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-10-15 23:14:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:14:56,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:56,463 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:56,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-15 23:14:56,463 INFO L429 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]=== [2020-10-15 23:14:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:56,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1364464123, now seen corresponding path program 1 times [2020-10-15 23:14:56,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:56,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646945365] [2020-10-15 23:14:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:14:56,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646945365] [2020-10-15 23:14:56,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513397144] [2020-10-15 23:14:56,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:14:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:56,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:14:56,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:14:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:14:56,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:14:56,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:14:56,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584903819] [2020-10-15 23:14:56,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:14:56,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:56,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:14:56,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:14:56,677 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-10-15 23:14:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:57,236 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-10-15 23:14:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:14:57,237 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 23:14:57,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:57,292 INFO L225 Difference]: With dead ends: 31898 [2020-10-15 23:14:57,293 INFO L226 Difference]: Without dead ends: 31865 [2020-10-15 23:14:57,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 23:14:57,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-10-15 23:14:57,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-10-15 23:14:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-10-15 23:14:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-10-15 23:14:57,760 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-10-15 23:14:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:57,760 INFO L481 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-10-15 23:14:57,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:14:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-10-15 23:14:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:14:57,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:57,763 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:57,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:14:57,970 INFO L429 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]=== [2020-10-15 23:14:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash 321088405, now seen corresponding path program 1 times [2020-10-15 23:14:57,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:57,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761913248] [2020-10-15 23:14:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:14:58,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761913248] [2020-10-15 23:14:58,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906439967] [2020-10-15 23:14:58,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:14:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:58,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:14:58,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:14:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:14:58,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:14:58,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:14:58,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082563390] [2020-10-15 23:14:58,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:14:58,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:58,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:14:58,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:14:58,243 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-10-15 23:14:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:58,964 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-10-15 23:14:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:14:58,964 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-15 23:14:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:14:59,039 INFO L225 Difference]: With dead ends: 32253 [2020-10-15 23:14:59,039 INFO L226 Difference]: Without dead ends: 32220 [2020-10-15 23:14:59,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-15 23:14:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-10-15 23:14:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-10-15 23:14:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-10-15 23:14:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-10-15 23:14:59,491 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-10-15 23:14:59,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:14:59,492 INFO L481 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-10-15 23:14:59,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:14:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-10-15 23:14:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:14:59,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:14:59,493 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:14:59,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:14:59,694 INFO L429 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]=== [2020-10-15 23:14:59,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:14:59,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1406316126, now seen corresponding path program 1 times [2020-10-15 23:14:59,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:14:59,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120803781] [2020-10-15 23:14:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:14:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:14:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 23:14:59,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120803781] [2020-10-15 23:14:59,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:14:59,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:14:59,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5766999] [2020-10-15 23:14:59,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:14:59,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:14:59,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:14:59,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:14:59,744 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 5 states. [2020-10-15 23:14:59,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:14:59,965 INFO L93 Difference]: Finished difference Result 23466 states and 75382 transitions. [2020-10-15 23:14:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:14:59,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-15 23:14:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:00,007 INFO L225 Difference]: With dead ends: 23466 [2020-10-15 23:15:00,007 INFO L226 Difference]: Without dead ends: 23442 [2020-10-15 23:15:00,007 INFO L677 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 [2020-10-15 23:15:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2020-10-15 23:15:00,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14781. [2020-10-15 23:15:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14781 states. [2020-10-15 23:15:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 48769 transitions. [2020-10-15 23:15:00,384 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 48769 transitions. Word has length 22 [2020-10-15 23:15:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:00,384 INFO L481 AbstractCegarLoop]: Abstraction has 14781 states and 48769 transitions. [2020-10-15 23:15:00,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:15:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 48769 transitions. [2020-10-15 23:15:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:15:00,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:00,387 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:00,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-15 23:15:00,387 INFO L429 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]=== [2020-10-15 23:15:00,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:00,387 INFO L82 PathProgramCache]: Analyzing trace with hash -103257068, now seen corresponding path program 1 times [2020-10-15 23:15:00,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:00,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392134417] [2020-10-15 23:15:00,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 23:15:00,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392134417] [2020-10-15 23:15:00,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:15:00,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:15:00,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117547092] [2020-10-15 23:15:00,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:15:00,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:00,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:15:00,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:15:00,432 INFO L87 Difference]: Start difference. First operand 14781 states and 48769 transitions. Second operand 7 states. [2020-10-15 23:15:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:00,936 INFO L93 Difference]: Finished difference Result 33669 states and 108193 transitions. [2020-10-15 23:15:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:00,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-15 23:15:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:00,995 INFO L225 Difference]: With dead ends: 33669 [2020-10-15 23:15:00,996 INFO L226 Difference]: Without dead ends: 33617 [2020-10-15 23:15:00,996 INFO L677 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 [2020-10-15 23:15:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33617 states. [2020-10-15 23:15:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33617 to 14680. [2020-10-15 23:15:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14680 states. [2020-10-15 23:15:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14680 states to 14680 states and 48297 transitions. [2020-10-15 23:15:01,434 INFO L78 Accepts]: Start accepts. Automaton has 14680 states and 48297 transitions. Word has length 22 [2020-10-15 23:15:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:01,435 INFO L481 AbstractCegarLoop]: Abstraction has 14680 states and 48297 transitions. [2020-10-15 23:15:01,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:15:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 14680 states and 48297 transitions. [2020-10-15 23:15:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 23:15:01,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:01,437 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:01,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-15 23:15:01,437 INFO L429 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]=== [2020-10-15 23:15:01,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:01,438 INFO L82 PathProgramCache]: Analyzing trace with hash -103169493, now seen corresponding path program 1 times [2020-10-15 23:15:01,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:01,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618661761] [2020-10-15 23:15:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 23:15:01,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618661761] [2020-10-15 23:15:01,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:15:01,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:15:01,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286869028] [2020-10-15 23:15:01,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:15:01,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:15:01,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:15:01,498 INFO L87 Difference]: Start difference. First operand 14680 states and 48297 transitions. Second operand 7 states. [2020-10-15 23:15:03,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:03,618 INFO L93 Difference]: Finished difference Result 33499 states and 107547 transitions. [2020-10-15 23:15:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:03,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-15 23:15:03,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:03,679 INFO L225 Difference]: With dead ends: 33499 [2020-10-15 23:15:03,679 INFO L226 Difference]: Without dead ends: 33447 [2020-10-15 23:15:03,679 INFO L677 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 [2020-10-15 23:15:03,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33447 states. [2020-10-15 23:15:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33447 to 14368. [2020-10-15 23:15:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-10-15 23:15:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-10-15 23:15:04,121 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-10-15 23:15:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:04,121 INFO L481 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-10-15 23:15:04,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:15:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-10-15 23:15:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:04,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:04,125 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] [2020-10-15 23:15:04,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-15 23:15:04,126 INFO L429 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]=== [2020-10-15 23:15:04,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:04,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1988994578, now seen corresponding path program 1 times [2020-10-15 23:15:04,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:04,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702810943] [2020-10-15 23:15:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:15:04,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702810943] [2020-10-15 23:15:04,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450306189] [2020-10-15 23:15:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:04,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 23:15:04,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:15:04,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:04,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 23:15:04,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111350175] [2020-10-15 23:15:04,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 23:15:04,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:04,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 23:15:04,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 23:15:04,399 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-10-15 23:15:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:05,796 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-10-15 23:15:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 23:15:05,797 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 23:15:05,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:05,881 INFO L225 Difference]: With dead ends: 41694 [2020-10-15 23:15:05,881 INFO L226 Difference]: Without dead ends: 41661 [2020-10-15 23:15:05,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 23:15:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-10-15 23:15:06,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-10-15 23:15:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-10-15 23:15:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-10-15 23:15:06,400 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-10-15 23:15:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:06,400 INFO L481 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-10-15 23:15:06,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 23:15:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-10-15 23:15:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:06,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:06,404 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:06,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-10-15 23:15:06,605 INFO L429 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]=== [2020-10-15 23:15:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:06,606 INFO L82 PathProgramCache]: Analyzing trace with hash -903766857, now seen corresponding path program 1 times [2020-10-15 23:15:06,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:06,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080825373] [2020-10-15 23:15:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 23:15:06,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080825373] [2020-10-15 23:15:06,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107445399] [2020-10-15 23:15:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:06,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:15:06,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 23:15:06,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:06,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:15:06,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199505520] [2020-10-15 23:15:06,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:15:06,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:06,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:15:06,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:15:06,824 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 12 states. [2020-10-15 23:15:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:07,438 INFO L93 Difference]: Finished difference Result 30858 states and 98003 transitions. [2020-10-15 23:15:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:07,439 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 23:15:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:07,495 INFO L225 Difference]: With dead ends: 30858 [2020-10-15 23:15:07,496 INFO L226 Difference]: Without dead ends: 30822 [2020-10-15 23:15:07,497 INFO L677 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 [2020-10-15 23:15:07,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30822 states. [2020-10-15 23:15:07,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30822 to 14230. [2020-10-15 23:15:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2020-10-15 23:15:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 46630 transitions. [2020-10-15 23:15:07,909 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 46630 transitions. Word has length 26 [2020-10-15 23:15:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:07,909 INFO L481 AbstractCegarLoop]: Abstraction has 14230 states and 46630 transitions. [2020-10-15 23:15:07,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:15:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 46630 transitions. [2020-10-15 23:15:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:07,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:07,913 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] [2020-10-15 23:15:08,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-15 23:15:08,114 INFO L429 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]=== [2020-10-15 23:15:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:08,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1881627245, now seen corresponding path program 1 times [2020-10-15 23:15:08,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:08,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495366212] [2020-10-15 23:15:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:08,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495366212] [2020-10-15 23:15:08,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672571064] [2020-10-15 23:15:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:08,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 23:15:08,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:08,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:08,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 23:15:08,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754310010] [2020-10-15 23:15:08,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 23:15:08,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:08,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 23:15:08,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 23:15:08,373 INFO L87 Difference]: Start difference. First operand 14230 states and 46630 transitions. Second operand 16 states. [2020-10-15 23:15:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:09,815 INFO L93 Difference]: Finished difference Result 40917 states and 129671 transitions. [2020-10-15 23:15:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 23:15:09,816 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 23:15:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:09,909 INFO L225 Difference]: With dead ends: 40917 [2020-10-15 23:15:09,909 INFO L226 Difference]: Without dead ends: 40856 [2020-10-15 23:15:09,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 23:15:10,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40856 states. [2020-10-15 23:15:10,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40856 to 14016. [2020-10-15 23:15:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-10-15 23:15:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-10-15 23:15:10,677 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-10-15 23:15:10,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:10,677 INFO L481 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-10-15 23:15:10,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 23:15:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-10-15 23:15:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:10,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:10,681 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] [2020-10-15 23:15:10,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-10-15 23:15:10,882 INFO L429 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]=== [2020-10-15 23:15:10,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:10,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2145591314, now seen corresponding path program 2 times [2020-10-15 23:15:10,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:10,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981253888] [2020-10-15 23:15:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:10,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981253888] [2020-10-15 23:15:10,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793373299] [2020-10-15 23:15:10,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:11,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:15:11,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:15:11,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 23:15:11,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:11,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:11,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 23:15:11,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20304585] [2020-10-15 23:15:11,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 23:15:11,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:11,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 23:15:11,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 23:15:11,181 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 16 states. [2020-10-15 23:15:12,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:12,445 INFO L93 Difference]: Finished difference Result 40809 states and 129085 transitions. [2020-10-15 23:15:12,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 23:15:12,445 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 23:15:12,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:12,520 INFO L225 Difference]: With dead ends: 40809 [2020-10-15 23:15:12,520 INFO L226 Difference]: Without dead ends: 40776 [2020-10-15 23:15:12,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 23:15:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40776 states. [2020-10-15 23:15:12,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40776 to 13814. [2020-10-15 23:15:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13814 states. [2020-10-15 23:15:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13814 states to 13814 states and 45293 transitions. [2020-10-15 23:15:13,028 INFO L78 Accepts]: Start accepts. Automaton has 13814 states and 45293 transitions. Word has length 26 [2020-10-15 23:15:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:13,028 INFO L481 AbstractCegarLoop]: Abstraction has 13814 states and 45293 transitions. [2020-10-15 23:15:13,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 23:15:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13814 states and 45293 transitions. [2020-10-15 23:15:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:13,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:13,032 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:13,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-10-15 23:15:13,232 INFO L429 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]=== [2020-10-15 23:15:13,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:13,233 INFO L82 PathProgramCache]: Analyzing trace with hash 75485767, now seen corresponding path program 1 times [2020-10-15 23:15:13,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:13,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286097100] [2020-10-15 23:15:13,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 23:15:13,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286097100] [2020-10-15 23:15:13,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306285366] [2020-10-15 23:15:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:13,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:15:13,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 23:15:13,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:13,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:15:13,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953179659] [2020-10-15 23:15:13,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:15:13,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:13,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:15:13,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:15:13,428 INFO L87 Difference]: Start difference. First operand 13814 states and 45293 transitions. Second operand 12 states. [2020-10-15 23:15:14,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:14,050 INFO L93 Difference]: Finished difference Result 31476 states and 100257 transitions. [2020-10-15 23:15:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:14,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 23:15:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:14,104 INFO L225 Difference]: With dead ends: 31476 [2020-10-15 23:15:14,104 INFO L226 Difference]: Without dead ends: 31440 [2020-10-15 23:15:14,104 INFO L677 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 [2020-10-15 23:15:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31440 states. [2020-10-15 23:15:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31440 to 14284. [2020-10-15 23:15:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14284 states. [2020-10-15 23:15:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14284 states to 14284 states and 47044 transitions. [2020-10-15 23:15:14,537 INFO L78 Accepts]: Start accepts. Automaton has 14284 states and 47044 transitions. Word has length 26 [2020-10-15 23:15:14,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:14,538 INFO L481 AbstractCegarLoop]: Abstraction has 14284 states and 47044 transitions. [2020-10-15 23:15:14,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:15:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 14284 states and 47044 transitions. [2020-10-15 23:15:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:14,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:14,541 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] [2020-10-15 23:15:14,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:15:14,748 INFO L429 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]=== [2020-10-15 23:15:14,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:14,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1433999852, now seen corresponding path program 1 times [2020-10-15 23:15:14,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:14,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066986068] [2020-10-15 23:15:14,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:14,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066986068] [2020-10-15 23:15:14,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498251248] [2020-10-15 23:15:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:14,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 23:15:14,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 23:15:15,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:15,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-15 23:15:15,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935250417] [2020-10-15 23:15:15,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 23:15:15,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:15,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 23:15:15,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-15 23:15:15,030 INFO L87 Difference]: Start difference. First operand 14284 states and 47044 transitions. Second operand 16 states. [2020-10-15 23:15:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:16,428 INFO L93 Difference]: Finished difference Result 41255 states and 130887 transitions. [2020-10-15 23:15:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 23:15:16,429 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-15 23:15:16,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:16,514 INFO L225 Difference]: With dead ends: 41255 [2020-10-15 23:15:16,514 INFO L226 Difference]: Without dead ends: 41194 [2020-10-15 23:15:16,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-15 23:15:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41194 states. [2020-10-15 23:15:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41194 to 14132. [2020-10-15 23:15:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-10-15 23:15:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-10-15 23:15:17,052 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-10-15 23:15:17,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:17,052 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-10-15 23:15:17,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 23:15:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-10-15 23:15:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:17,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:17,056 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:17,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2020-10-15 23:15:17,257 INFO L429 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]=== [2020-10-15 23:15:17,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:17,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1843074133, now seen corresponding path program 1 times [2020-10-15 23:15:17,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:17,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283471656] [2020-10-15 23:15:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 23:15:17,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283471656] [2020-10-15 23:15:17,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893582972] [2020-10-15 23:15:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-15 23:15:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:17,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-15 23:15:17,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:15:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 23:15:17,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:15:17,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-15 23:15:17,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239834019] [2020-10-15 23:15:17,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 23:15:17,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:17,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 23:15:17,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-15 23:15:17,469 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 12 states. [2020-10-15 23:15:18,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:18,071 INFO L93 Difference]: Finished difference Result 32868 states and 106131 transitions. [2020-10-15 23:15:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:18,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-15 23:15:18,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:18,132 INFO L225 Difference]: With dead ends: 32868 [2020-10-15 23:15:18,132 INFO L226 Difference]: Without dead ends: 32842 [2020-10-15 23:15:18,132 INFO L677 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 [2020-10-15 23:15:18,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32842 states. [2020-10-15 23:15:18,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32842 to 14171. [2020-10-15 23:15:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14171 states. [2020-10-15 23:15:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14171 states to 14171 states and 46691 transitions. [2020-10-15 23:15:18,583 INFO L78 Accepts]: Start accepts. Automaton has 14171 states and 46691 transitions. Word has length 26 [2020-10-15 23:15:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:18,583 INFO L481 AbstractCegarLoop]: Abstraction has 14171 states and 46691 transitions. [2020-10-15 23:15:18,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 23:15:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 14171 states and 46691 transitions. [2020-10-15 23:15:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:18,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:18,587 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:18,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:15:18,795 INFO L429 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]=== [2020-10-15 23:15:18,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:18,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1288861438, now seen corresponding path program 1 times [2020-10-15 23:15:18,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:18,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664776642] [2020-10-15 23:15:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 23:15:18,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664776642] [2020-10-15 23:15:18,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:15:18,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:15:18,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320779171] [2020-10-15 23:15:18,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:15:18,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:18,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:15:18,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:15:18,863 INFO L87 Difference]: Start difference. First operand 14171 states and 46691 transitions. Second operand 7 states. [2020-10-15 23:15:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:19,504 INFO L93 Difference]: Finished difference Result 30961 states and 98367 transitions. [2020-10-15 23:15:19,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:19,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 23:15:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:19,555 INFO L225 Difference]: With dead ends: 30961 [2020-10-15 23:15:19,555 INFO L226 Difference]: Without dead ends: 30919 [2020-10-15 23:15:19,555 INFO L677 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 [2020-10-15 23:15:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2020-10-15 23:15:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 14526. [2020-10-15 23:15:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14526 states. [2020-10-15 23:15:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 47951 transitions. [2020-10-15 23:15:19,958 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 47951 transitions. Word has length 26 [2020-10-15 23:15:19,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:19,958 INFO L481 AbstractCegarLoop]: Abstraction has 14526 states and 47951 transitions. [2020-10-15 23:15:19,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:15:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 47951 transitions. [2020-10-15 23:15:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:19,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:19,962 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:19,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-15 23:15:19,962 INFO L429 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]=== [2020-10-15 23:15:19,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:19,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1288773863, now seen corresponding path program 1 times [2020-10-15 23:15:19,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:19,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633877289] [2020-10-15 23:15:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 23:15:20,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633877289] [2020-10-15 23:15:20,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:15:20,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:15:20,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398306994] [2020-10-15 23:15:20,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:15:20,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:20,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:15:20,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:15:20,018 INFO L87 Difference]: Start difference. First operand 14526 states and 47951 transitions. Second operand 7 states. [2020-10-15 23:15:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:20,565 INFO L93 Difference]: Finished difference Result 31047 states and 98602 transitions. [2020-10-15 23:15:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:20,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 23:15:20,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:20,626 INFO L225 Difference]: With dead ends: 31047 [2020-10-15 23:15:20,626 INFO L226 Difference]: Without dead ends: 31005 [2020-10-15 23:15:20,626 INFO L677 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 [2020-10-15 23:15:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31005 states. [2020-10-15 23:15:21,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31005 to 14408. [2020-10-15 23:15:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14408 states. [2020-10-15 23:15:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 47461 transitions. [2020-10-15 23:15:21,075 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 47461 transitions. Word has length 26 [2020-10-15 23:15:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:21,075 INFO L481 AbstractCegarLoop]: Abstraction has 14408 states and 47461 transitions. [2020-10-15 23:15:21,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:15:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 47461 transitions. [2020-10-15 23:15:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:21,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:21,079 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:21,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-15 23:15:21,079 INFO L429 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]=== [2020-10-15 23:15:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1288707709, now seen corresponding path program 1 times [2020-10-15 23:15:21,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:21,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4977034] [2020-10-15 23:15:21,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:15:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 23:15:21,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4977034] [2020-10-15 23:15:21,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:15:21,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 23:15:21,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929212459] [2020-10-15 23:15:21,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:15:21,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:15:21,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:15:21,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:15:21,131 INFO L87 Difference]: Start difference. First operand 14408 states and 47461 transitions. Second operand 7 states. [2020-10-15 23:15:21,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:15:21,695 INFO L93 Difference]: Finished difference Result 33008 states and 106518 transitions. [2020-10-15 23:15:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 23:15:21,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-15 23:15:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:15:21,754 INFO L225 Difference]: With dead ends: 33008 [2020-10-15 23:15:21,754 INFO L226 Difference]: Without dead ends: 32988 [2020-10-15 23:15:21,754 INFO L677 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 [2020-10-15 23:15:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32988 states. [2020-10-15 23:15:22,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32988 to 14212. [2020-10-15 23:15:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14212 states. [2020-10-15 23:15:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14212 states to 14212 states and 46599 transitions. [2020-10-15 23:15:22,191 INFO L78 Accepts]: Start accepts. Automaton has 14212 states and 46599 transitions. Word has length 26 [2020-10-15 23:15:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 23:15:22,191 INFO L481 AbstractCegarLoop]: Abstraction has 14212 states and 46599 transitions. [2020-10-15 23:15:22,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:15:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 14212 states and 46599 transitions. [2020-10-15 23:15:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 23:15:22,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:15:22,195 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:15:22,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-15 23:15:22,195 INFO L429 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]=== [2020-10-15 23:15:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:15:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1151627457, now seen corresponding path program 1 times [2020-10-15 23:15:22,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:15:22,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477328058] [2020-10-15 23:15:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:15:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:15:22,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:15:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 23:15:22,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 23:15:22,219 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 23:15:22,220 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 23:15:22,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-15 23:15:22,220 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 23:15:22,220 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 23:15:22,221 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,256 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,257 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,259 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,260 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,269 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,272 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,273 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,273 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,273 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,275 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,275 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,275 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,275 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,275 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,276 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,276 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,276 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,278 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,285 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,286 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,290 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,293 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,293 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,293 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,293 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,294 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,294 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:15:22,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-15 23:15:22,298 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:15:22,298 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 23:15:22,298 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:15:22,298 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:15:22,299 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:15:22,299 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:15:22,299 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:15:22,299 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:15:22,302 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:15:22,302 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-15 23:15:22,302 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-15 23:15:22,303 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-15 23:15:22,353 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-15 23:15:22,353 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-15 23:15:22,358 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. [2020-10-15 23:15:22,380 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-15 23:15:26,273 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-15 23:15:27,367 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 23:15:27,589 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-15 23:15:28,126 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-15 23:15:28,252 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 23:15:28,265 INFO L132 LiptonReduction]: Checked pairs total: 28958 [2020-10-15 23:15:28,266 INFO L134 LiptonReduction]: Total number of compositions: 215 [2020-10-15 23:15:28,266 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 67 transitions, 254 flow [2020-10-15 23:24:50,454 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 583217 states. [2020-10-15 23:24:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 583217 states. [2020-10-15 23:24:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 23:24:50,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 23:24:50,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 23:24:50,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:24:50,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:24:50,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2048675, now seen corresponding path program 1 times [2020-10-15 23:24:50,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:24:50,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649438289] [2020-10-15 23:24:50,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:24:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:24:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:24:50,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649438289] [2020-10-15 23:24:50,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:24:50,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 23:24:50,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939589680] [2020-10-15 23:24:50,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:24:50,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:24:50,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:24:50,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:24:50,477 INFO L87 Difference]: Start difference. First operand 583217 states. Second operand 3 states. [2020-10-15 23:25:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 23:25:19,639 INFO L93 Difference]: Finished difference Result 772013 states and 5584850 transitions. [2020-10-15 23:25:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:25:19,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 23:25:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 23:25:23,131 INFO L225 Difference]: With dead ends: 772013 [2020-10-15 23:25:23,131 INFO L226 Difference]: Without dead ends: 721583 [2020-10-15 23:25:23,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown