/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 14:27:10,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 14:27:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 14:27:10,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 14:27:10,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 14:27:10,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 14:27:10,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 14:27:10,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 14:27:10,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 14:27:10,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 14:27:10,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 14:27:10,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 14:27:10,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 14:27:10,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 14:27:10,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 14:27:10,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 14:27:10,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 14:27:10,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 14:27:10,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 14:27:10,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 14:27:10,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 14:27:10,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 14:27:10,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 14:27:10,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 14:27:10,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 14:27:10,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 14:27:10,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 14:27:10,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 14:27:10,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 14:27:10,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 14:27:10,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 14:27:10,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 14:27:10,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 14:27:10,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 14:27:10,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 14:27:10,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 14:27:10,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-11-09 14:27:10,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 14:27:10,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 14:27:10,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 14:27:10,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 14:27:10,371 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 14:27:10,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 14:27:10,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 14:27:10,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 14:27:10,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 14:27:10,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 14:27:10,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 14:27:10,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 14:27:10,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 14:27:10,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 14:27:10,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 14:27:10,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 14:27:10,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 14:27:10,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 14:27:10,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 14:27:10,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 14:27:10,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 14:27:10,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 14:27:10,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 14:27:10,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 14:27:10,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 14:27:10,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 14:27:10,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 14:27:10,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 14:27:10,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 14:27:10,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 14:27:10,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 14:27:10,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 14:27:10,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 14:27:10,961 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 14:27:10,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2020-11-09 14:27:11,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07616202e/703f8992de824e8ab48545ee9b5047e1/FLAGa77be24a7 [2020-11-09 14:27:11,902 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 14:27:11,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2020-11-09 14:27:11,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07616202e/703f8992de824e8ab48545ee9b5047e1/FLAGa77be24a7 [2020-11-09 14:27:12,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07616202e/703f8992de824e8ab48545ee9b5047e1 [2020-11-09 14:27:12,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 14:27:12,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 14:27:12,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 14:27:12,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 14:27:12,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 14:27:12,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:12,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c02bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12, skipping insertion in model container [2020-11-09 14:27:12,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:12,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 14:27:12,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 14:27:12,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:27:12,674 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 14:27:12,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:27:12,942 INFO L208 MainTranslator]: Completed translation [2020-11-09 14:27:12,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12 WrapperNode [2020-11-09 14:27:12,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 14:27:12,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 14:27:12,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 14:27:12,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 14:27:12,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 14:27:13,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 14:27:13,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 14:27:13,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 14:27:13,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (1/1) ... [2020-11-09 14:27:13,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 14:27:13,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 14:27:13,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 14:27:13,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 14:27:13,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (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 [2020-11-09 14:27:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-11-09 14:27:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-11-09 14:27:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-09 14:27:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-09 14:27:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 14:27:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 14:27:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 14:27:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 14:27:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 14:27:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 14:27:13,270 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 14:27:13,855 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 14:27:13,855 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-09 14:27:13,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:13 BoogieIcfgContainer [2020-11-09 14:27:13,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 14:27:13,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 14:27:13,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 14:27:13,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 14:27:13,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:27:12" (1/3) ... [2020-11-09 14:27:13,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7b8927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:13, skipping insertion in model container [2020-11-09 14:27:13,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:27:12" (2/3) ... [2020-11-09 14:27:13,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7b8927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:27:13, skipping insertion in model container [2020-11-09 14:27:13,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:27:13" (3/3) ... [2020-11-09 14:27:13,867 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2020-11-09 14:27:13,888 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 14:27:13,888 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 14:27:13,893 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 14:27:13,894 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 14:27:13,934 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:13,961 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:27:13,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-09 14:27:14,007 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:27:14,007 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:27:14,008 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:27:14,008 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:27:14,008 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:27:14,008 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:27:14,008 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:27:14,009 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:27:14,027 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:27:14,028 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 67 transitions, 144 flow [2020-11-09 14:27:14,032 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 67 transitions, 144 flow [2020-11-09 14:27:14,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions, 144 flow [2020-11-09 14:27:14,090 INFO L129 PetriNetUnfolder]: 5/77 cut-off events. [2020-11-09 14:27:14,091 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 14:27:14,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 77 events. 5/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 57. Up to 4 conditions per place. [2020-11-09 14:27:14,100 INFO L116 LiptonReduction]: Number of co-enabled transitions 832 [2020-11-09 14:27:14,822 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-11-09 14:27:16,384 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-11-09 14:27:16,683 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-11-09 14:27:17,316 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-11-09 14:27:17,512 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-11-09 14:27:17,782 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-11-09 14:27:18,107 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-11-09 14:27:19,049 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-11-09 14:27:19,358 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-11-09 14:27:19,762 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-11-09 14:27:20,108 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-09 14:27:20,302 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 14:27:20,490 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 14:27:20,686 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-09 14:27:20,887 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 14:27:20,890 INFO L131 LiptonReduction]: Checked pairs total: 793 [2020-11-09 14:27:20,890 INFO L133 LiptonReduction]: Total number of compositions: 69 [2020-11-09 14:27:20,899 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-11-09 14:27:20,908 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-11-09 14:27:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-09 14:27:20,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:27:20,916 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:20,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:27:20,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:27:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash 270931, now seen corresponding path program 1 times [2020-11-09 14:27:20,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:20,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468171922] [2020-11-09 14:27:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:21,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468171922] [2020-11-09 14:27:21,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:21,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:27:21,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212690618] [2020-11-09 14:27:21,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:27:21,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:21,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:27:21,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:27:21,240 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-11-09 14:27:21,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:21,293 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-11-09 14:27:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:27:21,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:27:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:21,309 INFO L225 Difference]: With dead ends: 35 [2020-11-09 14:27:21,309 INFO L226 Difference]: Without dead ends: 31 [2020-11-09 14:27:21,311 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 [2020-11-09 14:27:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-09 14:27:21,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-09 14:27:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-09 14:27:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-11-09 14:27:21,359 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-11-09 14:27:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:21,360 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-11-09 14:27:21,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:27:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-11-09 14:27:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 14:27:21,361 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:21,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:21,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 14:27:21,362 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:27:21,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:21,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1075906219, now seen corresponding path program 1 times [2020-11-09 14:27:21,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:21,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292181374] [2020-11-09 14:27:21,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:21,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292181374] [2020-11-09 14:27:21,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:21,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 14:27:21,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937605527] [2020-11-09 14:27:21,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 14:27:21,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:21,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 14:27:21,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 14:27:21,488 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-11-09 14:27:21,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:21,520 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-11-09 14:27:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 14:27:21,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-09 14:27:21,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:21,522 INFO L225 Difference]: With dead ends: 26 [2020-11-09 14:27:21,522 INFO L226 Difference]: Without dead ends: 24 [2020-11-09 14:27:21,523 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 [2020-11-09 14:27:21,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-09 14:27:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-09 14:27:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-09 14:27:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-11-09 14:27:21,529 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-11-09 14:27:21,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:21,529 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-11-09 14:27:21,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 14:27:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-11-09 14:27:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 14:27:21,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:21,531 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:21,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 14:27:21,531 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 14:27:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:21,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1006649777, now seen corresponding path program 1 times [2020-11-09 14:27:21,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:21,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644734296] [2020-11-09 14:27:21,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:21,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:21,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:21,619 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:27:21,619 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:27:21,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 14:27:21,620 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:27:21,621 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 14:27:21,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,643 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,647 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,648 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,648 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,648 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,648 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,648 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,650 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,650 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,650 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:21,675 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:27:21,675 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 14:27:21,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:27:21,678 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:27:21,678 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:27:21,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:27:21,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:27:21,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:27:21,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:27:21,679 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:27:21,682 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:27:21,682 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 88 transitions, 200 flow [2020-11-09 14:27:21,683 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 88 transitions, 200 flow [2020-11-09 14:27:21,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 200 flow [2020-11-09 14:27:21,727 INFO L129 PetriNetUnfolder]: 6/98 cut-off events. [2020-11-09 14:27:21,727 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-09 14:27:21,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 98 events. 6/98 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 145 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 107. Up to 6 conditions per place. [2020-11-09 14:27:21,733 INFO L116 LiptonReduction]: Number of co-enabled transitions 1220 [2020-11-09 14:27:24,219 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-11-09 14:27:25,298 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-11-09 14:27:25,430 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 14:27:25,745 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-11-09 14:27:25,881 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 14:27:26,444 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 14:27:26,574 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 14:27:26,706 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 14:27:26,843 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 14:27:27,047 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 14:27:27,413 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-11-09 14:27:27,628 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 14:27:27,982 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-11-09 14:27:27,985 INFO L131 LiptonReduction]: Checked pairs total: 1551 [2020-11-09 14:27:27,986 INFO L133 LiptonReduction]: Total number of compositions: 86 [2020-11-09 14:27:27,986 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2020-11-09 14:27:28,007 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-11-09 14:27:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-11-09 14:27:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:27:28,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:28,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:27:28,009 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:28,009 INFO L82 PathProgramCache]: Analyzing trace with hash 464008, now seen corresponding path program 1 times [2020-11-09 14:27:28,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:28,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115465494] [2020-11-09 14:27:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:28,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115465494] [2020-11-09 14:27:28,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:28,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:27:28,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613561443] [2020-11-09 14:27:28,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:27:28,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:28,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:27:28,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:27:28,070 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-11-09 14:27:28,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:28,116 INFO L93 Difference]: Finished difference Result 185 states and 459 transitions. [2020-11-09 14:27:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:27:28,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:27:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:28,123 INFO L225 Difference]: With dead ends: 185 [2020-11-09 14:27:28,123 INFO L226 Difference]: Without dead ends: 171 [2020-11-09 14:27:28,124 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 [2020-11-09 14:27:28,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-09 14:27:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-11-09 14:27:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-09 14:27:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2020-11-09 14:27:28,156 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2020-11-09 14:27:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:28,156 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2020-11-09 14:27:28,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:27:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2020-11-09 14:27:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 14:27:28,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:28,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:28,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 14:27:28,158 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:28,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2038027130, now seen corresponding path program 1 times [2020-11-09 14:27:28,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:28,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230420818] [2020-11-09 14:27:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:28,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230420818] [2020-11-09 14:27:28,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:28,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:28,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080896469] [2020-11-09 14:27:28,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:28,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:28,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:28,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:28,260 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2020-11-09 14:27:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:28,376 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2020-11-09 14:27:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:28,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 14:27:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:28,380 INFO L225 Difference]: With dead ends: 205 [2020-11-09 14:27:28,380 INFO L226 Difference]: Without dead ends: 201 [2020-11-09 14:27:28,381 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 [2020-11-09 14:27:28,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-09 14:27:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2020-11-09 14:27:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-09 14:27:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2020-11-09 14:27:28,407 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2020-11-09 14:27:28,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:28,407 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2020-11-09 14:27:28,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2020-11-09 14:27:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:27:28,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:28,409 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:28,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 14:27:28,410 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:28,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:28,411 INFO L82 PathProgramCache]: Analyzing trace with hash -460391635, now seen corresponding path program 1 times [2020-11-09 14:27:28,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:28,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002222109] [2020-11-09 14:27:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:28,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002222109] [2020-11-09 14:27:28,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:28,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:28,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9308223] [2020-11-09 14:27:28,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:28,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:28,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:28,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:28,491 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2020-11-09 14:27:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:28,608 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2020-11-09 14:27:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:28,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:27:28,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:28,614 INFO L225 Difference]: With dead ends: 189 [2020-11-09 14:27:28,614 INFO L226 Difference]: Without dead ends: 185 [2020-11-09 14:27:28,614 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 [2020-11-09 14:27:28,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-11-09 14:27:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-11-09 14:27:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-09 14:27:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2020-11-09 14:27:28,631 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2020-11-09 14:27:28,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:28,633 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2020-11-09 14:27:28,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2020-11-09 14:27:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 14:27:28,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:28,635 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:28,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 14:27:28,635 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:28,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:28,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1390371680, now seen corresponding path program 1 times [2020-11-09 14:27:28,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:28,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944438225] [2020-11-09 14:27:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:28,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:28,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:28,684 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:27:28,684 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:27:28,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 14:27:28,685 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:27:28,686 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 14:27:28,705 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,709 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,714 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,745 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,746 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,746 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,751 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,752 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,752 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:28,772 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:27:28,773 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 14:27:28,775 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:27:28,775 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:27:28,775 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:27:28,775 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:27:28,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:27:28,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:27:28,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:27:28,776 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:27:28,779 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:27:28,779 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 109 transitions, 260 flow [2020-11-09 14:27:28,780 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 109 transitions, 260 flow [2020-11-09 14:27:28,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 109 transitions, 260 flow [2020-11-09 14:27:28,811 INFO L129 PetriNetUnfolder]: 7/119 cut-off events. [2020-11-09 14:27:28,811 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-11-09 14:27:28,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 119 events. 7/119 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 186 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 133. Up to 8 conditions per place. [2020-11-09 14:27:28,821 INFO L116 LiptonReduction]: Number of co-enabled transitions 1668 [2020-11-09 14:27:31,978 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2020-11-09 14:27:32,729 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-11-09 14:27:33,023 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-11-09 14:27:33,143 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 14:27:33,317 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 14:27:34,133 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-11-09 14:27:34,321 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-09 14:27:34,738 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-11-09 14:27:34,934 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-09 14:27:35,305 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2020-11-09 14:27:35,466 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 14:27:35,812 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2020-11-09 14:27:36,000 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 14:27:36,006 INFO L131 LiptonReduction]: Checked pairs total: 2216 [2020-11-09 14:27:36,006 INFO L133 LiptonReduction]: Total number of compositions: 107 [2020-11-09 14:27:36,007 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2020-11-09 14:27:36,041 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2020-11-09 14:27:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2020-11-09 14:27:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:27:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:36,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:27:36,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:36,043 INFO L82 PathProgramCache]: Analyzing trace with hash 698655, now seen corresponding path program 1 times [2020-11-09 14:27:36,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:36,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566544561] [2020-11-09 14:27:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:36,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566544561] [2020-11-09 14:27:36,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:36,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:27:36,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460094111] [2020-11-09 14:27:36,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:27:36,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:36,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:27:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:27:36,105 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2020-11-09 14:27:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:36,158 INFO L93 Difference]: Finished difference Result 600 states and 1886 transitions. [2020-11-09 14:27:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:27:36,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:27:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:36,167 INFO L225 Difference]: With dead ends: 600 [2020-11-09 14:27:36,167 INFO L226 Difference]: Without dead ends: 559 [2020-11-09 14:27:36,168 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 [2020-11-09 14:27:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-11-09 14:27:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2020-11-09 14:27:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-11-09 14:27:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2020-11-09 14:27:36,228 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2020-11-09 14:27:36,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:36,229 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2020-11-09 14:27:36,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:27:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2020-11-09 14:27:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 14:27:36,230 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:36,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:36,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 14:27:36,230 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:36,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:36,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1614105147, now seen corresponding path program 1 times [2020-11-09 14:27:36,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:36,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486408435] [2020-11-09 14:27:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:36,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486408435] [2020-11-09 14:27:36,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:36,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:36,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589359138] [2020-11-09 14:27:36,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:36,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:36,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:36,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:36,306 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2020-11-09 14:27:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:36,460 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2020-11-09 14:27:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:36,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 14:27:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:36,471 INFO L225 Difference]: With dead ends: 817 [2020-11-09 14:27:36,471 INFO L226 Difference]: Without dead ends: 812 [2020-11-09 14:27:36,472 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 [2020-11-09 14:27:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-11-09 14:27:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2020-11-09 14:27:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-11-09 14:27:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2020-11-09 14:27:36,522 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2020-11-09 14:27:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:36,522 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2020-11-09 14:27:36,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2020-11-09 14:27:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:27:36,531 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:36,531 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:36,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 14:27:36,531 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:36,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:36,532 INFO L82 PathProgramCache]: Analyzing trace with hash 222037333, now seen corresponding path program 1 times [2020-11-09 14:27:36,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:36,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9750867] [2020-11-09 14:27:36,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:36,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9750867] [2020-11-09 14:27:36,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:36,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:36,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269825259] [2020-11-09 14:27:36,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:36,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:36,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:36,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:36,657 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2020-11-09 14:27:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:36,806 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2020-11-09 14:27:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:36,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:27:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:36,815 INFO L225 Difference]: With dead ends: 843 [2020-11-09 14:27:36,816 INFO L226 Difference]: Without dead ends: 836 [2020-11-09 14:27:36,816 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 [2020-11-09 14:27:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-11-09 14:27:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2020-11-09 14:27:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-11-09 14:27:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2020-11-09 14:27:36,854 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2020-11-09 14:27:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:36,854 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2020-11-09 14:27:36,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2020-11-09 14:27:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:27:36,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:36,856 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:36,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 14:27:36,856 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:36,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:36,857 INFO L82 PathProgramCache]: Analyzing trace with hash -24425909, now seen corresponding path program 1 times [2020-11-09 14:27:36,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:36,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154609191] [2020-11-09 14:27:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:36,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154609191] [2020-11-09 14:27:36,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625643824] [2020-11-09 14:27:36,939 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 [2020-11-09 14:27:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:37,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:27:37,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:27:37,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:37,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:27:37,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:27:37,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013689591] [2020-11-09 14:27:37,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:27:37,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:37,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:27:37,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:27:37,170 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 12 states. [2020-11-09 14:27:37,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:37,641 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2020-11-09 14:27:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:37,642 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-11-09 14:27:37,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:37,652 INFO L225 Difference]: With dead ends: 1059 [2020-11-09 14:27:37,652 INFO L226 Difference]: Without dead ends: 1052 [2020-11-09 14:27:37,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:27:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-09 14:27:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2020-11-09 14:27:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-11-09 14:27:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2020-11-09 14:27:37,696 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2020-11-09 14:27:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:37,696 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2020-11-09 14:27:37,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:27:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2020-11-09 14:27:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:27:37,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:37,697 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:37,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-09 14:27:37,912 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:37,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:37,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1370486663, now seen corresponding path program 2 times [2020-11-09 14:27:37,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:37,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634895657] [2020-11-09 14:27:37,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:38,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634895657] [2020-11-09 14:27:38,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:38,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:38,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008474930] [2020-11-09 14:27:38,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:38,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:38,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:38,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:38,029 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2020-11-09 14:27:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:38,442 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2020-11-09 14:27:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:38,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 14:27:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:38,455 INFO L225 Difference]: With dead ends: 1053 [2020-11-09 14:27:38,455 INFO L226 Difference]: Without dead ends: 1045 [2020-11-09 14:27:38,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:27:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-11-09 14:27:38,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2020-11-09 14:27:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-11-09 14:27:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2020-11-09 14:27:38,498 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2020-11-09 14:27:38,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:38,499 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2020-11-09 14:27:38,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2020-11-09 14:27:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 14:27:38,501 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:38,501 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:38,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-09 14:27:38,501 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:38,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:38,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1795391144, now seen corresponding path program 1 times [2020-11-09 14:27:38,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:38,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263424834] [2020-11-09 14:27:38,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:38,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263424834] [2020-11-09 14:27:38,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:38,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:38,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983617494] [2020-11-09 14:27:38,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:38,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:38,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:38,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:38,585 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2020-11-09 14:27:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:38,713 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2020-11-09 14:27:38,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:38,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 14:27:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:38,720 INFO L225 Difference]: With dead ends: 736 [2020-11-09 14:27:38,720 INFO L226 Difference]: Without dead ends: 728 [2020-11-09 14:27:38,720 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 [2020-11-09 14:27:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-11-09 14:27:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2020-11-09 14:27:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-11-09 14:27:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2020-11-09 14:27:38,757 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2020-11-09 14:27:38,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:38,757 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2020-11-09 14:27:38,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2020-11-09 14:27:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 14:27:38,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:38,759 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:38,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-09 14:27:38,759 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:27:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash -181443140, now seen corresponding path program 1 times [2020-11-09 14:27:38,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:38,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090521819] [2020-11-09 14:27:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:38,797 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:27:38,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:27:38,839 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:27:38,839 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:27:38,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-09 14:27:38,839 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:27:38,840 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 14:27:38,866 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,867 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,868 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,869 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,878 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,879 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,879 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,896 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,896 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,898 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,899 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,899 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,901 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,901 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,902 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,908 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,908 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:27:38,919 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:27:38,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-09 14:27:38,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:27:38,921 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:27:38,921 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:27:38,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:27:38,922 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:27:38,922 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:27:38,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:27:38,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:27:38,924 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:27:38,924 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 130 transitions, 324 flow [2020-11-09 14:27:38,925 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 130 transitions, 324 flow [2020-11-09 14:27:38,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 130 transitions, 324 flow [2020-11-09 14:27:38,972 INFO L129 PetriNetUnfolder]: 8/140 cut-off events. [2020-11-09 14:27:38,972 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-11-09 14:27:38,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 140 events. 8/140 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 235 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 160. Up to 10 conditions per place. [2020-11-09 14:27:38,982 INFO L116 LiptonReduction]: Number of co-enabled transitions 2176 [2020-11-09 14:27:42,268 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 14:27:42,433 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 14:27:44,399 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-11-09 14:27:44,629 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-11-09 14:27:44,818 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-11-09 14:27:45,226 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-11-09 14:27:45,406 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 14:27:45,794 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-11-09 14:27:45,984 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 14:27:45,991 INFO L131 LiptonReduction]: Checked pairs total: 3275 [2020-11-09 14:27:45,992 INFO L133 LiptonReduction]: Total number of compositions: 134 [2020-11-09 14:27:45,992 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2020-11-09 14:27:46,145 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2020-11-09 14:27:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2020-11-09 14:27:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:27:46,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:46,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:27:46,147 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]=== [2020-11-09 14:27:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:46,147 INFO L82 PathProgramCache]: Analyzing trace with hash 980800, now seen corresponding path program 1 times [2020-11-09 14:27:46,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:46,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127182418] [2020-11-09 14:27:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:46,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127182418] [2020-11-09 14:27:46,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:46,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:27:46,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8536884] [2020-11-09 14:27:46,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:27:46,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:46,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:27:46,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:27:46,175 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2020-11-09 14:27:46,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:46,253 INFO L93 Difference]: Finished difference Result 1889 states and 7217 transitions. [2020-11-09 14:27:46,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:27:46,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:27:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:46,277 INFO L225 Difference]: With dead ends: 1889 [2020-11-09 14:27:46,277 INFO L226 Difference]: Without dead ends: 1767 [2020-11-09 14:27:46,277 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 [2020-11-09 14:27:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-11-09 14:27:46,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2020-11-09 14:27:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-11-09 14:27:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2020-11-09 14:27:46,422 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2020-11-09 14:27:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:46,422 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2020-11-09 14:27:46,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:27:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2020-11-09 14:27:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 14:27:46,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:46,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:46,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-09 14:27:46,423 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]=== [2020-11-09 14:27:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:46,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1761952613, now seen corresponding path program 1 times [2020-11-09 14:27:46,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:46,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402815057] [2020-11-09 14:27:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:27:46,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402815057] [2020-11-09 14:27:46,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:46,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:46,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628369783] [2020-11-09 14:27:46,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:46,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:46,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:46,477 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2020-11-09 14:27:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:46,662 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2020-11-09 14:27:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:46,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 14:27:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:46,693 INFO L225 Difference]: With dead ends: 2905 [2020-11-09 14:27:46,693 INFO L226 Difference]: Without dead ends: 2899 [2020-11-09 14:27:46,698 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 [2020-11-09 14:27:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2020-11-09 14:27:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2020-11-09 14:27:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-11-09 14:27:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2020-11-09 14:27:46,839 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2020-11-09 14:27:46,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:46,839 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2020-11-09 14:27:46,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2020-11-09 14:27:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:27:46,840 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:46,840 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:46,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-09 14:27:46,840 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]=== [2020-11-09 14:27:46,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1954545134, now seen corresponding path program 1 times [2020-11-09 14:27:46,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:46,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453863440] [2020-11-09 14:27:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:46,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453863440] [2020-11-09 14:27:46,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:46,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:46,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985235167] [2020-11-09 14:27:46,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:46,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:46,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:46,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:46,910 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2020-11-09 14:27:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:47,104 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2020-11-09 14:27:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:47,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:27:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:47,137 INFO L225 Difference]: With dead ends: 3204 [2020-11-09 14:27:47,137 INFO L226 Difference]: Without dead ends: 3194 [2020-11-09 14:27:47,137 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 [2020-11-09 14:27:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-11-09 14:27:47,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2020-11-09 14:27:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-11-09 14:27:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2020-11-09 14:27:47,286 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2020-11-09 14:27:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:47,286 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2020-11-09 14:27:47,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2020-11-09 14:27:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:27:47,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:47,287 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:47,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-09 14:27:47,288 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]=== [2020-11-09 14:27:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1417153478, now seen corresponding path program 1 times [2020-11-09 14:27:47,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:47,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114140061] [2020-11-09 14:27:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:47,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114140061] [2020-11-09 14:27:47,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:47,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:47,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385421599] [2020-11-09 14:27:47,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:47,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:47,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:47,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:47,363 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 7 states. [2020-11-09 14:27:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:47,809 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2020-11-09 14:27:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:47,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 14:27:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:47,843 INFO L225 Difference]: With dead ends: 4556 [2020-11-09 14:27:47,843 INFO L226 Difference]: Without dead ends: 4546 [2020-11-09 14:27:47,844 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 [2020-11-09 14:27:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2020-11-09 14:27:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2020-11-09 14:27:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-11-09 14:27:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2020-11-09 14:27:48,058 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2020-11-09 14:27:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:48,059 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2020-11-09 14:27:48,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2020-11-09 14:27:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:27:48,060 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:48,060 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:48,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-09 14:27:48,060 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]=== [2020-11-09 14:27:48,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:48,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1419653318, now seen corresponding path program 2 times [2020-11-09 14:27:48,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:48,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115534450] [2020-11-09 14:27:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:27:48,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115534450] [2020-11-09 14:27:48,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:48,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:48,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391946123] [2020-11-09 14:27:48,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:48,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:48,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:48,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:48,148 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2020-11-09 14:27:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:48,563 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2020-11-09 14:27:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:48,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 14:27:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:48,588 INFO L225 Difference]: With dead ends: 4612 [2020-11-09 14:27:48,589 INFO L226 Difference]: Without dead ends: 4601 [2020-11-09 14:27:48,589 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 [2020-11-09 14:27:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-11-09 14:27:48,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2020-11-09 14:27:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-11-09 14:27:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2020-11-09 14:27:48,744 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2020-11-09 14:27:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:48,745 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2020-11-09 14:27:48,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2020-11-09 14:27:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 14:27:48,746 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:48,746 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:48,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-09 14:27:48,747 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]=== [2020-11-09 14:27:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash 795193170, now seen corresponding path program 1 times [2020-11-09 14:27:48,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:48,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289334702] [2020-11-09 14:27:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:48,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289334702] [2020-11-09 14:27:48,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:48,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:48,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661217702] [2020-11-09 14:27:48,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:48,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:48,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:48,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:48,848 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2020-11-09 14:27:49,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:49,011 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2020-11-09 14:27:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:49,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 14:27:49,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:49,029 INFO L225 Difference]: With dead ends: 3265 [2020-11-09 14:27:49,029 INFO L226 Difference]: Without dead ends: 3250 [2020-11-09 14:27:49,030 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 [2020-11-09 14:27:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-11-09 14:27:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2020-11-09 14:27:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2020-11-09 14:27:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2020-11-09 14:27:49,153 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2020-11-09 14:27:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:49,153 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2020-11-09 14:27:49,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2020-11-09 14:27:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:27:49,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:49,155 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:49,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-09 14:27:49,155 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]=== [2020-11-09 14:27:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1006706982, now seen corresponding path program 1 times [2020-11-09 14:27:49,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:49,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685415135] [2020-11-09 14:27:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:49,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685415135] [2020-11-09 14:27:49,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983404792] [2020-11-09 14:27:49,229 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 [2020-11-09 14:27:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:27:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:27:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:49,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:27:49,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:27:49,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932961368] [2020-11-09 14:27:49,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:27:49,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:49,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:27:49,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:27:49,463 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 12 states. [2020-11-09 14:27:49,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:49,926 INFO L93 Difference]: Finished difference Result 4825 states and 15986 transitions. [2020-11-09 14:27:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:49,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-11-09 14:27:49,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:49,951 INFO L225 Difference]: With dead ends: 4825 [2020-11-09 14:27:49,952 INFO L226 Difference]: Without dead ends: 4813 [2020-11-09 14:27:49,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:27:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-11-09 14:27:50,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 2305. [2020-11-09 14:27:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-11-09 14:27:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2020-11-09 14:27:50,105 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2020-11-09 14:27:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:50,106 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2020-11-09 14:27:50,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:27:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2020-11-09 14:27:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:27:50,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:50,110 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:50,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:27:50,325 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]=== [2020-11-09 14:27:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:50,326 INFO L82 PathProgramCache]: Analyzing trace with hash -323556866, now seen corresponding path program 2 times [2020-11-09 14:27:50,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:50,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546671693] [2020-11-09 14:27:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:50,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546671693] [2020-11-09 14:27:50,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:50,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:50,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53244437] [2020-11-09 14:27:50,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:50,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:50,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:50,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:50,402 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 7 states. [2020-11-09 14:27:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:50,857 INFO L93 Difference]: Finished difference Result 4886 states and 16183 transitions. [2020-11-09 14:27:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:50,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:27:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:50,882 INFO L225 Difference]: With dead ends: 4886 [2020-11-09 14:27:50,882 INFO L226 Difference]: Without dead ends: 4869 [2020-11-09 14:27:50,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:27:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2020-11-09 14:27:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 2153. [2020-11-09 14:27:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-11-09 14:27:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 8255 transitions. [2020-11-09 14:27:51,024 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 8255 transitions. Word has length 19 [2020-11-09 14:27:51,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:51,025 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 8255 transitions. [2020-11-09 14:27:51,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 8255 transitions. [2020-11-09 14:27:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:27:51,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:51,026 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:51,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-09 14:27:51,027 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]=== [2020-11-09 14:27:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash -323554262, now seen corresponding path program 1 times [2020-11-09 14:27:51,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:51,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490554357] [2020-11-09 14:27:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:51,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490554357] [2020-11-09 14:27:51,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:51,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:51,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831839341] [2020-11-09 14:27:51,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:51,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:51,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:51,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:51,129 INFO L87 Difference]: Start difference. First operand 2153 states and 8255 transitions. Second operand 7 states. [2020-11-09 14:27:51,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:51,610 INFO L93 Difference]: Finished difference Result 4782 states and 15862 transitions. [2020-11-09 14:27:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:51,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:27:51,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:51,634 INFO L225 Difference]: With dead ends: 4782 [2020-11-09 14:27:51,634 INFO L226 Difference]: Without dead ends: 4765 [2020-11-09 14:27:51,635 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 [2020-11-09 14:27:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2020-11-09 14:27:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 2212. [2020-11-09 14:27:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2212 states. [2020-11-09 14:27:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 8465 transitions. [2020-11-09 14:27:51,760 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 8465 transitions. Word has length 19 [2020-11-09 14:27:51,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:51,761 INFO L481 AbstractCegarLoop]: Abstraction has 2212 states and 8465 transitions. [2020-11-09 14:27:51,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 8465 transitions. [2020-11-09 14:27:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:27:51,763 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:51,763 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:51,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-09 14:27:51,763 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]=== [2020-11-09 14:27:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:51,764 INFO L82 PathProgramCache]: Analyzing trace with hash -307543382, now seen corresponding path program 2 times [2020-11-09 14:27:51,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:51,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825527417] [2020-11-09 14:27:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:51,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825527417] [2020-11-09 14:27:51,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:51,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:27:51,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852081711] [2020-11-09 14:27:51,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:27:51,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:51,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:27:51,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:27:51,845 INFO L87 Difference]: Start difference. First operand 2212 states and 8465 transitions. Second operand 7 states. [2020-11-09 14:27:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:52,288 INFO L93 Difference]: Finished difference Result 4774 states and 15828 transitions. [2020-11-09 14:27:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:27:52,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:27:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:52,312 INFO L225 Difference]: With dead ends: 4774 [2020-11-09 14:27:52,312 INFO L226 Difference]: Without dead ends: 4757 [2020-11-09 14:27:52,313 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 [2020-11-09 14:27:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2020-11-09 14:27:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 2150. [2020-11-09 14:27:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-11-09 14:27:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8243 transitions. [2020-11-09 14:27:52,455 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8243 transitions. Word has length 19 [2020-11-09 14:27:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:52,455 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 8243 transitions. [2020-11-09 14:27:52,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:27:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8243 transitions. [2020-11-09 14:27:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:52,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:52,458 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:52,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-09 14:27:52,459 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]=== [2020-11-09 14:27:52,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:52,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1077756158, now seen corresponding path program 1 times [2020-11-09 14:27:52,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:52,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395483903] [2020-11-09 14:27:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:52,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395483903] [2020-11-09 14:27:52,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58408938] [2020-11-09 14:27:52,576 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 [2020-11-09 14:27:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:52,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:27:52,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:27:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:52,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:27:52,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:27:52,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292016339] [2020-11-09 14:27:52,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:27:52,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:52,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:27:52,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:27:52,845 INFO L87 Difference]: Start difference. First operand 2150 states and 8243 transitions. Second operand 16 states. [2020-11-09 14:27:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:54,185 INFO L93 Difference]: Finished difference Result 6025 states and 18746 transitions. [2020-11-09 14:27:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:27:54,186 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:27:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:54,210 INFO L225 Difference]: With dead ends: 6025 [2020-11-09 14:27:54,210 INFO L226 Difference]: Without dead ends: 6017 [2020-11-09 14:27:54,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:27:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2020-11-09 14:27:54,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 2121. [2020-11-09 14:27:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2121 states. [2020-11-09 14:27:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 8118 transitions. [2020-11-09 14:27:54,356 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 8118 transitions. Word has length 21 [2020-11-09 14:27:54,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:54,357 INFO L481 AbstractCegarLoop]: Abstraction has 2121 states and 8118 transitions. [2020-11-09 14:27:54,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:27:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 8118 transitions. [2020-11-09 14:27:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:54,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:54,360 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:54,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-09 14:27:54,574 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]=== [2020-11-09 14:27:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1093767038, now seen corresponding path program 2 times [2020-11-09 14:27:54,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:54,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449163766] [2020-11-09 14:27:54,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:54,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449163766] [2020-11-09 14:27:54,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058573008] [2020-11-09 14:27:54,688 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 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 [2020-11-09 14:27:54,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:27:54,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:27:54,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:27:54,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:27:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:27:54,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:27:54,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:27:54,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200016761] [2020-11-09 14:27:54,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:27:54,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:54,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:27:54,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:27:54,988 INFO L87 Difference]: Start difference. First operand 2121 states and 8118 transitions. Second operand 16 states. [2020-11-09 14:27:56,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:56,385 INFO L93 Difference]: Finished difference Result 5922 states and 18404 transitions. [2020-11-09 14:27:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:27:56,386 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:27:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:56,401 INFO L225 Difference]: With dead ends: 5922 [2020-11-09 14:27:56,401 INFO L226 Difference]: Without dead ends: 5911 [2020-11-09 14:27:56,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:27:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2020-11-09 14:27:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 2085. [2020-11-09 14:27:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-11-09 14:27:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2020-11-09 14:27:56,533 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2020-11-09 14:27:56,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:56,534 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2020-11-09 14:27:56,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:27:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2020-11-09 14:27:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:56,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:56,536 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:56,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:27:56,751 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]=== [2020-11-09 14:27:56,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:56,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1169886916, now seen corresponding path program 1 times [2020-11-09 14:27:56,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:56,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432161810] [2020-11-09 14:27:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:27:56,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432161810] [2020-11-09 14:27:56,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:56,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:27:56,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328025148] [2020-11-09 14:27:56,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:27:56,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:56,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:27:56,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:27:56,810 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 5 states. [2020-11-09 14:27:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:56,958 INFO L93 Difference]: Finished difference Result 3167 states and 11408 transitions. [2020-11-09 14:27:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:27:56,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-09 14:27:56,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:56,967 INFO L225 Difference]: With dead ends: 3167 [2020-11-09 14:27:56,967 INFO L226 Difference]: Without dead ends: 3151 [2020-11-09 14:27:56,967 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 [2020-11-09 14:27:56,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2020-11-09 14:27:57,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2322. [2020-11-09 14:27:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-11-09 14:27:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 8744 transitions. [2020-11-09 14:27:57,063 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 8744 transitions. Word has length 21 [2020-11-09 14:27:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:57,064 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 8744 transitions. [2020-11-09 14:27:57,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:27:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 8744 transitions. [2020-11-09 14:27:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:57,066 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:57,067 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:57,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-09 14:27:57,067 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]=== [2020-11-09 14:27:57,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:57,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1700514858, now seen corresponding path program 3 times [2020-11-09 14:27:57,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:57,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786895994] [2020-11-09 14:27:57,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:57,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786895994] [2020-11-09 14:27:57,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:57,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:27:57,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022868088] [2020-11-09 14:27:57,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:27:57,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:57,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:27:57,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:27:57,169 INFO L87 Difference]: Start difference. First operand 2322 states and 8744 transitions. Second operand 9 states. [2020-11-09 14:27:58,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:58,276 INFO L93 Difference]: Finished difference Result 6235 states and 19513 transitions. [2020-11-09 14:27:58,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:27:58,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:27:58,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:58,291 INFO L225 Difference]: With dead ends: 6235 [2020-11-09 14:27:58,292 INFO L226 Difference]: Without dead ends: 6224 [2020-11-09 14:27:58,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:27:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2020-11-09 14:27:58,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 2235. [2020-11-09 14:27:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-11-09 14:27:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 8410 transitions. [2020-11-09 14:27:58,426 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 8410 transitions. Word has length 21 [2020-11-09 14:27:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:58,426 INFO L481 AbstractCegarLoop]: Abstraction has 2235 states and 8410 transitions. [2020-11-09 14:27:58,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:27:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 8410 transitions. [2020-11-09 14:27:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:58,429 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:58,429 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:58,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-09 14:27:58,430 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]=== [2020-11-09 14:27:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1698015018, now seen corresponding path program 4 times [2020-11-09 14:27:58,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:58,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090557366] [2020-11-09 14:27:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:58,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090557366] [2020-11-09 14:27:58,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:58,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:27:58,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020257655] [2020-11-09 14:27:58,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:27:58,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:58,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:27:58,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:27:58,554 INFO L87 Difference]: Start difference. First operand 2235 states and 8410 transitions. Second operand 9 states. [2020-11-09 14:27:59,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:27:59,609 INFO L93 Difference]: Finished difference Result 6169 states and 19292 transitions. [2020-11-09 14:27:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:27:59,610 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:27:59,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:27:59,625 INFO L225 Difference]: With dead ends: 6169 [2020-11-09 14:27:59,625 INFO L226 Difference]: Without dead ends: 6155 [2020-11-09 14:27:59,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:27:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2020-11-09 14:27:59,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 2191. [2020-11-09 14:27:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2020-11-09 14:27:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 8230 transitions. [2020-11-09 14:27:59,753 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 8230 transitions. Word has length 21 [2020-11-09 14:27:59,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:27:59,754 INFO L481 AbstractCegarLoop]: Abstraction has 2191 states and 8230 transitions. [2020-11-09 14:27:59,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:27:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 8230 transitions. [2020-11-09 14:27:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:27:59,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:27:59,756 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:27:59,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-09 14:27:59,757 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]=== [2020-11-09 14:27:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:27:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash 817049814, now seen corresponding path program 5 times [2020-11-09 14:27:59,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:27:59,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333085923] [2020-11-09 14:27:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:27:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:27:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:27:59,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333085923] [2020-11-09 14:27:59,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:27:59,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:27:59,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395850936] [2020-11-09 14:27:59,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:27:59,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:27:59,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:27:59,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:27:59,881 INFO L87 Difference]: Start difference. First operand 2191 states and 8230 transitions. Second operand 9 states. [2020-11-09 14:28:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:00,957 INFO L93 Difference]: Finished difference Result 6158 states and 19267 transitions. [2020-11-09 14:28:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:00,958 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:00,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:00,972 INFO L225 Difference]: With dead ends: 6158 [2020-11-09 14:28:00,973 INFO L226 Difference]: Without dead ends: 6147 [2020-11-09 14:28:00,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2020-11-09 14:28:01,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 2096. [2020-11-09 14:28:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-11-09 14:28:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2020-11-09 14:28:01,118 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2020-11-09 14:28:01,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:01,119 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2020-11-09 14:28:01,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2020-11-09 14:28:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:01,121 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:01,121 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:01,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-09 14:28:01,122 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]=== [2020-11-09 14:28:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:01,122 INFO L82 PathProgramCache]: Analyzing trace with hash 803538774, now seen corresponding path program 6 times [2020-11-09 14:28:01,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:01,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399866998] [2020-11-09 14:28:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:01,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399866998] [2020-11-09 14:28:01,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:01,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:28:01,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291080457] [2020-11-09 14:28:01,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:28:01,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:01,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:28:01,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:28:01,226 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2020-11-09 14:28:02,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:02,304 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2020-11-09 14:28:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:02,305 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:02,318 INFO L225 Difference]: With dead ends: 6017 [2020-11-09 14:28:02,318 INFO L226 Difference]: Without dead ends: 6002 [2020-11-09 14:28:02,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:02,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-11-09 14:28:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2020-11-09 14:28:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-11-09 14:28:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2020-11-09 14:28:02,452 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2020-11-09 14:28:02,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:02,452 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2020-11-09 14:28:02,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2020-11-09 14:28:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-09 14:28:02,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:02,455 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:02,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-09 14:28:02,456 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]=== [2020-11-09 14:28:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1912181542, now seen corresponding path program 1 times [2020-11-09 14:28:02,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:02,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987073064] [2020-11-09 14:28:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:28:02,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:28:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:28:02,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:28:02,485 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:28:02,486 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:28:02,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-09 14:28:02,486 WARN L386 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:28:02,486 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-11-09 14:28:02,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,511 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,512 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,513 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,514 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,537 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:28:02,570 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:28:02,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-09 14:28:02,571 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:28:02,572 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:28:02,572 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:28:02,572 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:28:02,572 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:28:02,572 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:28:02,572 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:28:02,572 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:28:02,574 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:28:02,574 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 151 transitions, 392 flow [2020-11-09 14:28:02,575 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 151 transitions, 392 flow [2020-11-09 14:28:02,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 151 transitions, 392 flow [2020-11-09 14:28:02,600 INFO L129 PetriNetUnfolder]: 9/161 cut-off events. [2020-11-09 14:28:02,600 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-11-09 14:28:02,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 161 events. 9/161 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 266 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 188. Up to 12 conditions per place. [2020-11-09 14:28:02,608 INFO L116 LiptonReduction]: Number of co-enabled transitions 2744 [2020-11-09 14:28:07,537 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 14:28:07,674 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-09 14:28:07,820 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 14:28:07,954 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-09 14:28:08,975 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2020-11-09 14:28:09,218 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-11-09 14:28:09,501 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-11-09 14:28:09,767 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-11-09 14:28:10,204 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-11-09 14:28:10,393 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 14:28:10,831 WARN L194 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2020-11-09 14:28:11,032 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 14:28:11,036 INFO L131 LiptonReduction]: Checked pairs total: 4200 [2020-11-09 14:28:11,036 INFO L133 LiptonReduction]: Total number of compositions: 162 [2020-11-09 14:28:11,037 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2020-11-09 14:28:11,676 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2020-11-09 14:28:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2020-11-09 14:28:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:28:11,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:11,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:28:11,677 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]=== [2020-11-09 14:28:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:11,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1311531, now seen corresponding path program 1 times [2020-11-09 14:28:11,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:11,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171877206] [2020-11-09 14:28:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:28:11,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171877206] [2020-11-09 14:28:11,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:11,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:28:11,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232947811] [2020-11-09 14:28:11,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:28:11,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:11,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:28:11,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:28:11,714 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2020-11-09 14:28:11,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:11,820 INFO L93 Difference]: Finished difference Result 5844 states and 26316 transitions. [2020-11-09 14:28:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:28:11,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:28:11,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:11,851 INFO L225 Difference]: With dead ends: 5844 [2020-11-09 14:28:11,851 INFO L226 Difference]: Without dead ends: 5479 [2020-11-09 14:28:11,853 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 [2020-11-09 14:28:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5479 states. [2020-11-09 14:28:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5479 to 5479. [2020-11-09 14:28:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-11-09 14:28:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2020-11-09 14:28:12,177 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2020-11-09 14:28:12,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:12,178 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2020-11-09 14:28:12,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:28:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2020-11-09 14:28:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 14:28:12,178 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:12,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:12,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-11-09 14:28:12,179 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]=== [2020-11-09 14:28:12,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1486087653, now seen corresponding path program 1 times [2020-11-09 14:28:12,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:12,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058442743] [2020-11-09 14:28:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:28:12,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058442743] [2020-11-09 14:28:12,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:12,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:28:12,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391173169] [2020-11-09 14:28:12,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:28:12,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:12,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:28:12,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:28:12,240 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2020-11-09 14:28:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:12,613 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2020-11-09 14:28:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:28:12,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 14:28:12,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:12,662 INFO L225 Difference]: With dead ends: 9673 [2020-11-09 14:28:12,662 INFO L226 Difference]: Without dead ends: 9666 [2020-11-09 14:28:12,662 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 [2020-11-09 14:28:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2020-11-09 14:28:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2020-11-09 14:28:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2020-11-09 14:28:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2020-11-09 14:28:13,027 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2020-11-09 14:28:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:13,027 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2020-11-09 14:28:13,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:28:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2020-11-09 14:28:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:28:13,028 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:13,028 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:13,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-11-09 14:28:13,028 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]=== [2020-11-09 14:28:13,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:13,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2078441721, now seen corresponding path program 1 times [2020-11-09 14:28:13,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:13,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052257157] [2020-11-09 14:28:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:13,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052257157] [2020-11-09 14:28:13,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:13,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:28:13,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681523880] [2020-11-09 14:28:13,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:28:13,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:13,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:28:13,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:28:13,074 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2020-11-09 14:28:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:13,318 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2020-11-09 14:28:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:28:13,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:28:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:13,360 INFO L225 Difference]: With dead ends: 11081 [2020-11-09 14:28:13,361 INFO L226 Difference]: Without dead ends: 11068 [2020-11-09 14:28:13,361 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 [2020-11-09 14:28:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2020-11-09 14:28:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2020-11-09 14:28:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-11-09 14:28:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2020-11-09 14:28:13,829 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2020-11-09 14:28:13,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:13,829 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2020-11-09 14:28:13,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:28:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2020-11-09 14:28:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:28:13,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:13,830 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:13,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-11-09 14:28:13,830 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]=== [2020-11-09 14:28:13,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:13,831 INFO L82 PathProgramCache]: Analyzing trace with hash -80896491, now seen corresponding path program 1 times [2020-11-09 14:28:13,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:13,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882932506] [2020-11-09 14:28:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:28:14,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882932506] [2020-11-09 14:28:14,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617328971] [2020-11-09 14:28:14,080 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 [2020-11-09 14:28:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:14,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:28:14,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:28:14,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:14,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:28:14,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236344164] [2020-11-09 14:28:14,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:28:14,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:14,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:28:14,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:28:14,297 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 12 states. [2020-11-09 14:28:14,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:14,983 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2020-11-09 14:28:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:14,984 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-11-09 14:28:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:15,051 INFO L225 Difference]: With dead ends: 16749 [2020-11-09 14:28:15,051 INFO L226 Difference]: Without dead ends: 16736 [2020-11-09 14:28:15,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:28:15,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2020-11-09 14:28:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2020-11-09 14:28:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2020-11-09 14:28:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2020-11-09 14:28:15,627 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2020-11-09 14:28:15,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:15,627 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2020-11-09 14:28:15,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:28:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2020-11-09 14:28:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:28:15,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:15,628 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:15,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-11-09 14:28:15,840 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]=== [2020-11-09 14:28:15,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -222679403, now seen corresponding path program 2 times [2020-11-09 14:28:15,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:15,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763958399] [2020-11-09 14:28:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:16,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763958399] [2020-11-09 14:28:16,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:16,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:16,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404028040] [2020-11-09 14:28:16,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:16,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:16,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:16,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:16,050 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2020-11-09 14:28:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:16,589 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2020-11-09 14:28:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:16,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 14:28:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:16,655 INFO L225 Difference]: With dead ends: 17085 [2020-11-09 14:28:16,655 INFO L226 Difference]: Without dead ends: 17071 [2020-11-09 14:28:16,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:28:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2020-11-09 14:28:17,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2020-11-09 14:28:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2020-11-09 14:28:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2020-11-09 14:28:17,143 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2020-11-09 14:28:17,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:17,143 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2020-11-09 14:28:17,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2020-11-09 14:28:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 14:28:17,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:17,144 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:17,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-09 14:28:17,145 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]=== [2020-11-09 14:28:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:17,145 INFO L82 PathProgramCache]: Analyzing trace with hash -681474966, now seen corresponding path program 1 times [2020-11-09 14:28:17,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:17,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394643476] [2020-11-09 14:28:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:17,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394643476] [2020-11-09 14:28:17,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:17,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:28:17,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169759767] [2020-11-09 14:28:17,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:28:17,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:17,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:28:17,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:28:17,213 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2020-11-09 14:28:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:17,577 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2020-11-09 14:28:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:28:17,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 14:28:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:17,623 INFO L225 Difference]: With dead ends: 12234 [2020-11-09 14:28:17,623 INFO L226 Difference]: Without dead ends: 12212 [2020-11-09 14:28:17,623 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 [2020-11-09 14:28:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2020-11-09 14:28:18,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2020-11-09 14:28:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2020-11-09 14:28:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2020-11-09 14:28:18,131 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2020-11-09 14:28:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:18,131 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2020-11-09 14:28:18,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:28:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2020-11-09 14:28:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:28:18,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:18,133 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:18,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-09 14:28:18,134 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]=== [2020-11-09 14:28:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:18,134 INFO L82 PathProgramCache]: Analyzing trace with hash -66098056, now seen corresponding path program 1 times [2020-11-09 14:28:18,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:18,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789500078] [2020-11-09 14:28:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:18,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789500078] [2020-11-09 14:28:18,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031783654] [2020-11-09 14:28:18,222 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 [2020-11-09 14:28:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:18,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:28:18,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:18,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:18,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:28:18,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517857098] [2020-11-09 14:28:18,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:28:18,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:18,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:28:18,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:28:18,458 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 12 states. [2020-11-09 14:28:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:19,262 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2020-11-09 14:28:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:19,263 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-11-09 14:28:19,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:19,331 INFO L225 Difference]: With dead ends: 19016 [2020-11-09 14:28:19,331 INFO L226 Difference]: Without dead ends: 18998 [2020-11-09 14:28:19,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:28:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2020-11-09 14:28:19,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2020-11-09 14:28:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2020-11-09 14:28:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2020-11-09 14:28:19,875 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2020-11-09 14:28:19,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:19,875 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2020-11-09 14:28:19,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:28:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2020-11-09 14:28:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:28:19,877 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:19,877 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:20,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-11-09 14:28:20,079 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]=== [2020-11-09 14:28:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2062391496, now seen corresponding path program 2 times [2020-11-09 14:28:20,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:20,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866026116] [2020-11-09 14:28:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:20,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866026116] [2020-11-09 14:28:20,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:20,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:20,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613864561] [2020-11-09 14:28:20,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:20,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:20,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:20,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:20,160 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 7 states. [2020-11-09 14:28:20,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:20,791 INFO L93 Difference]: Finished difference Result 19420 states and 77854 transitions. [2020-11-09 14:28:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:20,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:28:20,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:21,194 INFO L225 Difference]: With dead ends: 19420 [2020-11-09 14:28:21,194 INFO L226 Difference]: Without dead ends: 19395 [2020-11-09 14:28:21,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:28:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2020-11-09 14:28:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 8129. [2020-11-09 14:28:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8129 states. [2020-11-09 14:28:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8129 states to 8129 states and 37298 transitions. [2020-11-09 14:28:21,843 INFO L78 Accepts]: Start accepts. Automaton has 8129 states and 37298 transitions. Word has length 19 [2020-11-09 14:28:21,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:21,843 INFO L481 AbstractCegarLoop]: Abstraction has 8129 states and 37298 transitions. [2020-11-09 14:28:21,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 8129 states and 37298 transitions. [2020-11-09 14:28:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:28:21,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:21,844 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:21,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-11-09 14:28:21,844 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]=== [2020-11-09 14:28:21,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:21,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2062399215, now seen corresponding path program 1 times [2020-11-09 14:28:21,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:21,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919708135] [2020-11-09 14:28:21,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:21,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919708135] [2020-11-09 14:28:21,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:21,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:21,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944831760] [2020-11-09 14:28:21,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:21,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:21,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:21,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:21,922 INFO L87 Difference]: Start difference. First operand 8129 states and 37298 transitions. Second operand 7 states. [2020-11-09 14:28:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:22,455 INFO L93 Difference]: Finished difference Result 19373 states and 77785 transitions. [2020-11-09 14:28:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:22,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:28:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:22,721 INFO L225 Difference]: With dead ends: 19373 [2020-11-09 14:28:22,722 INFO L226 Difference]: Without dead ends: 19348 [2020-11-09 14:28:22,723 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 [2020-11-09 14:28:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2020-11-09 14:28:23,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 8375. [2020-11-09 14:28:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8375 states. [2020-11-09 14:28:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 38394 transitions. [2020-11-09 14:28:23,284 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 38394 transitions. Word has length 19 [2020-11-09 14:28:23,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:23,285 INFO L481 AbstractCegarLoop]: Abstraction has 8375 states and 38394 transitions. [2020-11-09 14:28:23,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 38394 transitions. [2020-11-09 14:28:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:28:23,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:23,286 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:23,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-11-09 14:28:23,286 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]=== [2020-11-09 14:28:23,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:23,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2050465455, now seen corresponding path program 2 times [2020-11-09 14:28:23,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:23,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049614306] [2020-11-09 14:28:23,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:23,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049614306] [2020-11-09 14:28:23,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:23,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:23,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017229392] [2020-11-09 14:28:23,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:23,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:23,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:23,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:23,382 INFO L87 Difference]: Start difference. First operand 8375 states and 38394 transitions. Second operand 7 states. [2020-11-09 14:28:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:23,952 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2020-11-09 14:28:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:23,953 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:28:23,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:24,222 INFO L225 Difference]: With dead ends: 19555 [2020-11-09 14:28:24,222 INFO L226 Difference]: Without dead ends: 19530 [2020-11-09 14:28:24,223 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 [2020-11-09 14:28:24,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2020-11-09 14:28:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2020-11-09 14:28:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2020-11-09 14:28:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2020-11-09 14:28:24,738 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2020-11-09 14:28:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:24,738 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2020-11-09 14:28:24,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2020-11-09 14:28:24,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:24,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:24,740 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:24,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-11-09 14:28:24,740 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]=== [2020-11-09 14:28:24,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash 904291743, now seen corresponding path program 1 times [2020-11-09 14:28:24,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:24,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126331213] [2020-11-09 14:28:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:24,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126331213] [2020-11-09 14:28:24,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366732965] [2020-11-09 14:28:24,879 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 [2020-11-09 14:28:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:25,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:28:25,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:25,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:25,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:28:25,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841918609] [2020-11-09 14:28:25,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:28:25,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:25,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:28:25,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:28:25,361 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 16 states. [2020-11-09 14:28:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:26,895 INFO L93 Difference]: Finished difference Result 26969 states and 101544 transitions. [2020-11-09 14:28:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:26,896 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:28:26,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:26,990 INFO L225 Difference]: With dead ends: 26969 [2020-11-09 14:28:26,991 INFO L226 Difference]: Without dead ends: 26957 [2020-11-09 14:28:26,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:28:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states. [2020-11-09 14:28:27,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 8208. [2020-11-09 14:28:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2020-11-09 14:28:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 37640 transitions. [2020-11-09 14:28:27,627 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 37640 transitions. Word has length 21 [2020-11-09 14:28:27,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:27,627 INFO L481 AbstractCegarLoop]: Abstraction has 8208 states and 37640 transitions. [2020-11-09 14:28:27,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:28:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 37640 transitions. [2020-11-09 14:28:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:27,629 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:27,629 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:27,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:28:27,831 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]=== [2020-11-09 14:28:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:27,832 INFO L82 PathProgramCache]: Analyzing trace with hash 916225503, now seen corresponding path program 2 times [2020-11-09 14:28:27,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:27,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226627418] [2020-11-09 14:28:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:27,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226627418] [2020-11-09 14:28:27,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839299591] [2020-11-09 14:28:27,929 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 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 [2020-11-09 14:28:28,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:28:28,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:28:28,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:28:28,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:28,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:28,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:28,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:28:28,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359281433] [2020-11-09 14:28:28,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:28:28,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:28,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:28:28,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:28:28,230 INFO L87 Difference]: Start difference. First operand 8208 states and 37640 transitions. Second operand 16 states. [2020-11-09 14:28:30,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:30,048 INFO L93 Difference]: Finished difference Result 26669 states and 100297 transitions. [2020-11-09 14:28:30,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:30,049 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:28:30,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:30,150 INFO L225 Difference]: With dead ends: 26669 [2020-11-09 14:28:30,150 INFO L226 Difference]: Without dead ends: 26653 [2020-11-09 14:28:30,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:28:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2020-11-09 14:28:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 8091. [2020-11-09 14:28:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8091 states. [2020-11-09 14:28:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 37076 transitions. [2020-11-09 14:28:30,894 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 37076 transitions. Word has length 21 [2020-11-09 14:28:30,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:30,894 INFO L481 AbstractCegarLoop]: Abstraction has 8091 states and 37076 transitions. [2020-11-09 14:28:30,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:28:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 37076 transitions. [2020-11-09 14:28:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:30,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:30,896 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:31,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2020-11-09 14:28:31,097 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]=== [2020-11-09 14:28:31,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:31,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1978290081, now seen corresponding path program 3 times [2020-11-09 14:28:31,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:31,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575984135] [2020-11-09 14:28:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:31,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575984135] [2020-11-09 14:28:31,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:31,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:28:31,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746120250] [2020-11-09 14:28:31,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:28:31,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:31,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:28:31,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:28:31,209 INFO L87 Difference]: Start difference. First operand 8091 states and 37076 transitions. Second operand 9 states. [2020-11-09 14:28:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:32,662 INFO L93 Difference]: Finished difference Result 26678 states and 100382 transitions. [2020-11-09 14:28:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:32,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:32,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:32,761 INFO L225 Difference]: With dead ends: 26678 [2020-11-09 14:28:32,761 INFO L226 Difference]: Without dead ends: 26666 [2020-11-09 14:28:32,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:32,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26666 states. [2020-11-09 14:28:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26666 to 7869. [2020-11-09 14:28:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7869 states. [2020-11-09 14:28:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 36086 transitions. [2020-11-09 14:28:33,443 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 36086 transitions. Word has length 21 [2020-11-09 14:28:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:33,444 INFO L481 AbstractCegarLoop]: Abstraction has 7869 states and 36086 transitions. [2020-11-09 14:28:33,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 36086 transitions. [2020-11-09 14:28:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:33,445 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:33,445 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:33,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-11-09 14:28:33,446 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]=== [2020-11-09 14:28:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:33,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1985700321, now seen corresponding path program 4 times [2020-11-09 14:28:33,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:33,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396775114] [2020-11-09 14:28:33,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:33,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396775114] [2020-11-09 14:28:33,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:33,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:28:33,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377294986] [2020-11-09 14:28:33,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:28:33,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:33,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:28:33,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:28:33,556 INFO L87 Difference]: Start difference. First operand 7869 states and 36086 transitions. Second operand 9 states. [2020-11-09 14:28:34,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:34,989 INFO L93 Difference]: Finished difference Result 26497 states and 99670 transitions. [2020-11-09 14:28:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:34,997 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:34,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:35,102 INFO L225 Difference]: With dead ends: 26497 [2020-11-09 14:28:35,103 INFO L226 Difference]: Without dead ends: 26481 [2020-11-09 14:28:35,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26481 states. [2020-11-09 14:28:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26481 to 7756. [2020-11-09 14:28:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-11-09 14:28:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 35534 transitions. [2020-11-09 14:28:35,857 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 35534 transitions. Word has length 21 [2020-11-09 14:28:35,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:35,857 INFO L481 AbstractCegarLoop]: Abstraction has 7756 states and 35534 transitions. [2020-11-09 14:28:35,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 35534 transitions. [2020-11-09 14:28:35,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:35,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:35,859 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:35,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-11-09 14:28:35,859 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]=== [2020-11-09 14:28:35,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:35,860 INFO L82 PathProgramCache]: Analyzing trace with hash -522836100, now seen corresponding path program 1 times [2020-11-09 14:28:35,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:35,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470211064] [2020-11-09 14:28:35,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:28:35,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470211064] [2020-11-09 14:28:35,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:35,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:28:35,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055974364] [2020-11-09 14:28:35,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:28:35,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:35,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:28:35,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:28:35,928 INFO L87 Difference]: Start difference. First operand 7756 states and 35534 transitions. Second operand 5 states. [2020-11-09 14:28:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:36,152 INFO L93 Difference]: Finished difference Result 13259 states and 57521 transitions. [2020-11-09 14:28:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:28:36,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-09 14:28:36,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:36,199 INFO L225 Difference]: With dead ends: 13259 [2020-11-09 14:28:36,199 INFO L226 Difference]: Without dead ends: 13228 [2020-11-09 14:28:36,200 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 [2020-11-09 14:28:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2020-11-09 14:28:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 9263. [2020-11-09 14:28:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9263 states. [2020-11-09 14:28:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9263 states to 9263 states and 42388 transitions. [2020-11-09 14:28:36,838 INFO L78 Accepts]: Start accepts. Automaton has 9263 states and 42388 transitions. Word has length 21 [2020-11-09 14:28:36,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:36,839 INFO L481 AbstractCegarLoop]: Abstraction has 9263 states and 42388 transitions. [2020-11-09 14:28:36,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:28:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 9263 states and 42388 transitions. [2020-11-09 14:28:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:36,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:36,842 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:36,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-11-09 14:28:36,842 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]=== [2020-11-09 14:28:36,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:36,842 INFO L82 PathProgramCache]: Analyzing trace with hash 892708447, now seen corresponding path program 5 times [2020-11-09 14:28:36,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:36,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608358575] [2020-11-09 14:28:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:36,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608358575] [2020-11-09 14:28:36,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:36,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:28:36,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034819444] [2020-11-09 14:28:36,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:28:36,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:36,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:28:36,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:28:36,952 INFO L87 Difference]: Start difference. First operand 9263 states and 42388 transitions. Second operand 9 states. [2020-11-09 14:28:38,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:38,245 INFO L93 Difference]: Finished difference Result 29796 states and 113861 transitions. [2020-11-09 14:28:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:38,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:38,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:38,667 INFO L225 Difference]: With dead ends: 29796 [2020-11-09 14:28:38,668 INFO L226 Difference]: Without dead ends: 29778 [2020-11-09 14:28:38,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:38,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29778 states. [2020-11-09 14:28:39,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29778 to 8972. [2020-11-09 14:28:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8972 states. [2020-11-09 14:28:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 41051 transitions. [2020-11-09 14:28:39,470 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 41051 transitions. Word has length 21 [2020-11-09 14:28:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:39,472 INFO L481 AbstractCegarLoop]: Abstraction has 8972 states and 41051 transitions. [2020-11-09 14:28:39,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 41051 transitions. [2020-11-09 14:28:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:28:39,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:39,481 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:39,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-11-09 14:28:39,481 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]=== [2020-11-09 14:28:39,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:39,482 INFO L82 PathProgramCache]: Analyzing trace with hash 912052447, now seen corresponding path program 6 times [2020-11-09 14:28:39,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:39,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201890689] [2020-11-09 14:28:39,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:39,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201890689] [2020-11-09 14:28:39,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:39,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:28:39,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187517563] [2020-11-09 14:28:39,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:28:39,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:39,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:28:39,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:28:39,612 INFO L87 Difference]: Start difference. First operand 8972 states and 41051 transitions. Second operand 9 states. [2020-11-09 14:28:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:41,165 INFO L93 Difference]: Finished difference Result 29387 states and 112119 transitions. [2020-11-09 14:28:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:41,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 14:28:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:41,281 INFO L225 Difference]: With dead ends: 29387 [2020-11-09 14:28:41,281 INFO L226 Difference]: Without dead ends: 29364 [2020-11-09 14:28:41,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:28:41,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29364 states. [2020-11-09 14:28:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29364 to 8573. [2020-11-09 14:28:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2020-11-09 14:28:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2020-11-09 14:28:42,175 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2020-11-09 14:28:42,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:42,175 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2020-11-09 14:28:42,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:28:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2020-11-09 14:28:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:42,179 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:42,179 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:42,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-11-09 14:28:42,179 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]=== [2020-11-09 14:28:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:42,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1391110006, now seen corresponding path program 1 times [2020-11-09 14:28:42,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:42,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500087888] [2020-11-09 14:28:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:42,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500087888] [2020-11-09 14:28:42,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771867494] [2020-11-09 14:28:42,271 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 [2020-11-09 14:28:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:42,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:28:42,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:42,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:42,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:28:42,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324444474] [2020-11-09 14:28:42,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:28:42,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:42,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:28:42,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:28:42,525 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 12 states. [2020-11-09 14:28:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:43,282 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2020-11-09 14:28:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:43,283 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2020-11-09 14:28:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:43,371 INFO L225 Difference]: With dead ends: 19727 [2020-11-09 14:28:43,371 INFO L226 Difference]: Without dead ends: 19703 [2020-11-09 14:28:43,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:28:43,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2020-11-09 14:28:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2020-11-09 14:28:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2020-11-09 14:28:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2020-11-09 14:28:44,026 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2020-11-09 14:28:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:44,026 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2020-11-09 14:28:44,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:28:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2020-11-09 14:28:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:44,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:44,029 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:44,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-11-09 14:28:44,231 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]=== [2020-11-09 14:28:44,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:44,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1213836140, now seen corresponding path program 1 times [2020-11-09 14:28:44,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:44,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323667262] [2020-11-09 14:28:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:44,303 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:44,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323667262] [2020-11-09 14:28:44,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530331971] [2020-11-09 14:28:44,303 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 [2020-11-09 14:28:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:44,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:28:44,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:44,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:44,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:28:44,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510715410] [2020-11-09 14:28:44,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:28:44,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:44,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:28:44,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:28:44,533 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 12 states. [2020-11-09 14:28:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:45,102 INFO L93 Difference]: Finished difference Result 20670 states and 84217 transitions. [2020-11-09 14:28:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:45,103 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2020-11-09 14:28:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:45,183 INFO L225 Difference]: With dead ends: 20670 [2020-11-09 14:28:45,183 INFO L226 Difference]: Without dead ends: 20642 [2020-11-09 14:28:45,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:28:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20642 states. [2020-11-09 14:28:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20642 to 9111. [2020-11-09 14:28:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9111 states. [2020-11-09 14:28:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9111 states to 9111 states and 41667 transitions. [2020-11-09 14:28:45,929 INFO L78 Accepts]: Start accepts. Automaton has 9111 states and 41667 transitions. Word has length 23 [2020-11-09 14:28:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:45,929 INFO L481 AbstractCegarLoop]: Abstraction has 9111 states and 41667 transitions. [2020-11-09 14:28:45,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:28:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 9111 states and 41667 transitions. [2020-11-09 14:28:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:45,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:45,933 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:46,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:28:46,146 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]=== [2020-11-09 14:28:46,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:46,147 INFO L82 PathProgramCache]: Analyzing trace with hash 65683220, now seen corresponding path program 2 times [2020-11-09 14:28:46,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:46,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483858797] [2020-11-09 14:28:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:28:46,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483858797] [2020-11-09 14:28:46,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:46,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:46,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658456624] [2020-11-09 14:28:46,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:46,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:46,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:46,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:46,248 INFO L87 Difference]: Start difference. First operand 9111 states and 41667 transitions. Second operand 7 states. [2020-11-09 14:28:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:46,903 INFO L93 Difference]: Finished difference Result 20926 states and 85293 transitions. [2020-11-09 14:28:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:46,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 14:28:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:46,990 INFO L225 Difference]: With dead ends: 20926 [2020-11-09 14:28:46,990 INFO L226 Difference]: Without dead ends: 20889 [2020-11-09 14:28:46,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:28:47,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20889 states. [2020-11-09 14:28:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20889 to 9002. [2020-11-09 14:28:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9002 states. [2020-11-09 14:28:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9002 states to 9002 states and 41147 transitions. [2020-11-09 14:28:47,665 INFO L78 Accepts]: Start accepts. Automaton has 9002 states and 41147 transitions. Word has length 23 [2020-11-09 14:28:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:47,666 INFO L481 AbstractCegarLoop]: Abstraction has 9002 states and 41147 transitions. [2020-11-09 14:28:47,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 9002 states and 41147 transitions. [2020-11-09 14:28:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:47,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:47,669 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:47,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-11-09 14:28:47,669 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]=== [2020-11-09 14:28:47,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash 65703370, now seen corresponding path program 2 times [2020-11-09 14:28:47,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:47,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568456178] [2020-11-09 14:28:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:28:47,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568456178] [2020-11-09 14:28:47,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:47,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:47,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436764941] [2020-11-09 14:28:47,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:47,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:47,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:47,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:47,749 INFO L87 Difference]: Start difference. First operand 9002 states and 41147 transitions. Second operand 7 states. [2020-11-09 14:28:48,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:48,304 INFO L93 Difference]: Finished difference Result 20671 states and 84034 transitions. [2020-11-09 14:28:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:48,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 14:28:48,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:48,613 INFO L225 Difference]: With dead ends: 20671 [2020-11-09 14:28:48,614 INFO L226 Difference]: Without dead ends: 20634 [2020-11-09 14:28:48,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:28:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20634 states. [2020-11-09 14:28:49,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20634 to 8910. [2020-11-09 14:28:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8910 states. [2020-11-09 14:28:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8910 states to 8910 states and 40716 transitions. [2020-11-09 14:28:49,074 INFO L78 Accepts]: Start accepts. Automaton has 8910 states and 40716 transitions. Word has length 23 [2020-11-09 14:28:49,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:49,075 INFO L481 AbstractCegarLoop]: Abstraction has 8910 states and 40716 transitions. [2020-11-09 14:28:49,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8910 states and 40716 transitions. [2020-11-09 14:28:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:49,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:49,078 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:49,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-11-09 14:28:49,079 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]=== [2020-11-09 14:28:49,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:49,079 INFO L82 PathProgramCache]: Analyzing trace with hash 65695651, now seen corresponding path program 1 times [2020-11-09 14:28:49,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:49,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251372065] [2020-11-09 14:28:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:28:49,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251372065] [2020-11-09 14:28:49,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:49,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:49,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344543540] [2020-11-09 14:28:49,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:49,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:49,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:49,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:49,160 INFO L87 Difference]: Start difference. First operand 8910 states and 40716 transitions. Second operand 7 states. [2020-11-09 14:28:49,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:49,992 INFO L93 Difference]: Finished difference Result 21060 states and 85755 transitions. [2020-11-09 14:28:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:49,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 14:28:49,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:50,074 INFO L225 Difference]: With dead ends: 21060 [2020-11-09 14:28:50,074 INFO L226 Difference]: Without dead ends: 21023 [2020-11-09 14:28:50,074 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 [2020-11-09 14:28:50,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21023 states. [2020-11-09 14:28:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21023 to 9327. [2020-11-09 14:28:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9327 states. [2020-11-09 14:28:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9327 states to 9327 states and 42562 transitions. [2020-11-09 14:28:50,542 INFO L78 Accepts]: Start accepts. Automaton has 9327 states and 42562 transitions. Word has length 23 [2020-11-09 14:28:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:50,543 INFO L481 AbstractCegarLoop]: Abstraction has 9327 states and 42562 transitions. [2020-11-09 14:28:50,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 9327 states and 42562 transitions. [2020-11-09 14:28:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 14:28:50,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:50,546 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:50,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-11-09 14:28:50,546 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]=== [2020-11-09 14:28:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash 61469731, now seen corresponding path program 2 times [2020-11-09 14:28:50,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:50,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590018270] [2020-11-09 14:28:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:28:50,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590018270] [2020-11-09 14:28:50,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:28:50,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:28:50,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590121312] [2020-11-09 14:28:50,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:28:50,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:50,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:28:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:28:50,634 INFO L87 Difference]: Start difference. First operand 9327 states and 42562 transitions. Second operand 7 states. [2020-11-09 14:28:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:51,408 INFO L93 Difference]: Finished difference Result 21207 states and 86283 transitions. [2020-11-09 14:28:51,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:28:51,409 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 14:28:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:51,496 INFO L225 Difference]: With dead ends: 21207 [2020-11-09 14:28:51,496 INFO L226 Difference]: Without dead ends: 21170 [2020-11-09 14:28:51,497 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 [2020-11-09 14:28:51,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21170 states. [2020-11-09 14:28:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21170 to 9426. [2020-11-09 14:28:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2020-11-09 14:28:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2020-11-09 14:28:52,310 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2020-11-09 14:28:52,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:52,310 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2020-11-09 14:28:52,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:28:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2020-11-09 14:28:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:28:52,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:52,316 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:52,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-11-09 14:28:52,316 INFO L429 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:28:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:52,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1893562914, now seen corresponding path program 1 times [2020-11-09 14:28:52,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:52,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153991961] [2020-11-09 14:28:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:52,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153991961] [2020-11-09 14:28:52,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651955197] [2020-11-09 14:28:52,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-11-09 14:28:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:52,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:28:52,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:28:52,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:52,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:28:52,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55496973] [2020-11-09 14:28:52,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:28:52,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:52,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:28:52,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:28:52,777 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 16 states. [2020-11-09 14:28:54,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:54,240 INFO L93 Difference]: Finished difference Result 30145 states and 115754 transitions. [2020-11-09 14:28:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:54,240 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:28:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:54,531 INFO L225 Difference]: With dead ends: 30145 [2020-11-09 14:28:54,531 INFO L226 Difference]: Without dead ends: 30125 [2020-11-09 14:28:54,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:28:54,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30125 states. [2020-11-09 14:28:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30125 to 9346. [2020-11-09 14:28:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9346 states. [2020-11-09 14:28:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9346 states to 9346 states and 42602 transitions. [2020-11-09 14:28:54,993 INFO L78 Accepts]: Start accepts. Automaton has 9346 states and 42602 transitions. Word has length 25 [2020-11-09 14:28:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:54,994 INFO L481 AbstractCegarLoop]: Abstraction has 9346 states and 42602 transitions. [2020-11-09 14:28:54,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:28:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 9346 states and 42602 transitions. [2020-11-09 14:28:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:28:54,998 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:54,998 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:55,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2020-11-09 14:28:55,203 INFO L429 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:28:55,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:55,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1121885022, now seen corresponding path program 2 times [2020-11-09 14:28:55,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:55,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864974441] [2020-11-09 14:28:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:55,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864974441] [2020-11-09 14:28:55,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738873285] [2020-11-09 14:28:55,285 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 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 [2020-11-09 14:28:55,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:28:55,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:28:55,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:28:55,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:55,606 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-09 14:28:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:55,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:55,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:28:55,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212439610] [2020-11-09 14:28:55,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:28:55,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:55,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:28:55,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:28:55,696 INFO L87 Difference]: Start difference. First operand 9346 states and 42602 transitions. Second operand 16 states. [2020-11-09 14:28:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:28:57,219 INFO L93 Difference]: Finished difference Result 29656 states and 113703 transitions. [2020-11-09 14:28:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:28:57,220 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:28:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:28:57,309 INFO L225 Difference]: With dead ends: 29656 [2020-11-09 14:28:57,309 INFO L226 Difference]: Without dead ends: 29634 [2020-11-09 14:28:57,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:28:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29634 states. [2020-11-09 14:28:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29634 to 9343. [2020-11-09 14:28:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9343 states. [2020-11-09 14:28:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9343 states to 9343 states and 42547 transitions. [2020-11-09 14:28:58,052 INFO L78 Accepts]: Start accepts. Automaton has 9343 states and 42547 transitions. Word has length 25 [2020-11-09 14:28:58,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:28:58,052 INFO L481 AbstractCegarLoop]: Abstraction has 9343 states and 42547 transitions. [2020-11-09 14:28:58,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:28:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 9343 states and 42547 transitions. [2020-11-09 14:28:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:28:58,057 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:28:58,057 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:28:58,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2020-11-09 14:28:58,264 INFO L429 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:28:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:28:58,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1121872591, now seen corresponding path program 1 times [2020-11-09 14:28:58,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:28:58,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712823461] [2020-11-09 14:28:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:28:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:58,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712823461] [2020-11-09 14:28:58,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650869264] [2020-11-09 14:28:58,356 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 [2020-11-09 14:28:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:28:58,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:28:58,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:28:58,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:28:58,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:28:58,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:28:58,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787624565] [2020-11-09 14:28:58,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:28:58,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:28:58,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:28:58,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:28:58,648 INFO L87 Difference]: Start difference. First operand 9343 states and 42547 transitions. Second operand 16 states. [2020-11-09 14:29:00,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:00,186 INFO L93 Difference]: Finished difference Result 29316 states and 112409 transitions. [2020-11-09 14:29:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:00,187 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:00,271 INFO L225 Difference]: With dead ends: 29316 [2020-11-09 14:29:00,271 INFO L226 Difference]: Without dead ends: 29296 [2020-11-09 14:29:00,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:00,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29296 states. [2020-11-09 14:29:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29296 to 9260. [2020-11-09 14:29:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2020-11-09 14:29:00,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 42114 transitions. [2020-11-09 14:29:00,943 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 42114 transitions. Word has length 25 [2020-11-09 14:29:00,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:00,944 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 42114 transitions. [2020-11-09 14:29:00,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 42114 transitions. [2020-11-09 14:29:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:00,948 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:00,948 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:01,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2020-11-09 14:29:01,149 INFO L429 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:01,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:01,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1126098511, now seen corresponding path program 2 times [2020-11-09 14:29:01,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:01,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365389241] [2020-11-09 14:29:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:01,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365389241] [2020-11-09 14:29:01,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585469008] [2020-11-09 14:29:01,244 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 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 [2020-11-09 14:29:01,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:29:01,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:29:01,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:29:01,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:01,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:01,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:29:01,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159887842] [2020-11-09 14:29:01,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:29:01,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:01,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:29:01,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:29:01,534 INFO L87 Difference]: Start difference. First operand 9260 states and 42114 transitions. Second operand 16 states. [2020-11-09 14:29:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:03,244 INFO L93 Difference]: Finished difference Result 29093 states and 111462 transitions. [2020-11-09 14:29:03,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:03,245 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:03,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:03,331 INFO L225 Difference]: With dead ends: 29093 [2020-11-09 14:29:03,331 INFO L226 Difference]: Without dead ends: 29071 [2020-11-09 14:29:03,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29071 states. [2020-11-09 14:29:03,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29071 to 9176. [2020-11-09 14:29:03,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9176 states. [2020-11-09 14:29:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 41695 transitions. [2020-11-09 14:29:04,027 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 41695 transitions. Word has length 25 [2020-11-09 14:29:04,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:04,028 INFO L481 AbstractCegarLoop]: Abstraction has 9176 states and 41695 transitions. [2020-11-09 14:29:04,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 41695 transitions. [2020-11-09 14:29:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:04,032 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:04,032 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:04,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:04,234 INFO L429 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:04,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:04,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1814954082, now seen corresponding path program 3 times [2020-11-09 14:29:04,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:04,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542961705] [2020-11-09 14:29:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:04,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542961705] [2020-11-09 14:29:04,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725765306] [2020-11-09 14:29:04,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:04,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-09 14:29:04,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:29:04,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:29:04,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:04,589 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:04,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:04,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:29:04,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436225163] [2020-11-09 14:29:04,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:29:04,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:04,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:29:04,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:29:04,590 INFO L87 Difference]: Start difference. First operand 9176 states and 41695 transitions. Second operand 16 states. [2020-11-09 14:29:05,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:05,807 INFO L93 Difference]: Finished difference Result 29030 states and 111196 transitions. [2020-11-09 14:29:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:05,808 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:05,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:06,121 INFO L225 Difference]: With dead ends: 29030 [2020-11-09 14:29:06,121 INFO L226 Difference]: Without dead ends: 29010 [2020-11-09 14:29:06,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:06,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29010 states. [2020-11-09 14:29:06,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29010 to 9004. [2020-11-09 14:29:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9004 states. [2020-11-09 14:29:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9004 states to 9004 states and 40905 transitions. [2020-11-09 14:29:06,596 INFO L78 Accepts]: Start accepts. Automaton has 9004 states and 40905 transitions. Word has length 25 [2020-11-09 14:29:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:06,596 INFO L481 AbstractCegarLoop]: Abstraction has 9004 states and 40905 transitions. [2020-11-09 14:29:06,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 9004 states and 40905 transitions. [2020-11-09 14:29:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:06,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:06,600 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:06,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2020-11-09 14:29:06,801 INFO L429 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1734595810, now seen corresponding path program 4 times [2020-11-09 14:29:06,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:06,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938235469] [2020-11-09 14:29:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:06,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938235469] [2020-11-09 14:29:06,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598671435] [2020-11-09 14:29:06,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:06,997 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 14:29:06,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:29:06,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:29:07,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:07,222 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-09 14:29:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:07,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:07,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:29:07,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585838105] [2020-11-09 14:29:07,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:29:07,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:07,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:29:07,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:29:07,287 INFO L87 Difference]: Start difference. First operand 9004 states and 40905 transitions. Second operand 16 states. [2020-11-09 14:29:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:08,488 INFO L93 Difference]: Finished difference Result 29275 states and 112216 transitions. [2020-11-09 14:29:08,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:08,489 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:08,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:08,575 INFO L225 Difference]: With dead ends: 29275 [2020-11-09 14:29:08,575 INFO L226 Difference]: Without dead ends: 29253 [2020-11-09 14:29:08,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29253 states. [2020-11-09 14:29:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29253 to 9001. [2020-11-09 14:29:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9001 states. [2020-11-09 14:29:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9001 states to 9001 states and 40850 transitions. [2020-11-09 14:29:09,214 INFO L78 Accepts]: Start accepts. Automaton has 9001 states and 40850 transitions. Word has length 25 [2020-11-09 14:29:09,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:09,214 INFO L481 AbstractCegarLoop]: Abstraction has 9001 states and 40850 transitions. [2020-11-09 14:29:09,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 9001 states and 40850 transitions. [2020-11-09 14:29:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:09,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:09,218 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:09,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:09,420 INFO L429 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:09,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1734588091, now seen corresponding path program 1 times [2020-11-09 14:29:09,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:09,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209303531] [2020-11-09 14:29:09,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:09,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209303531] [2020-11-09 14:29:09,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009220943] [2020-11-09 14:29:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:09,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:29:09,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:09,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:09,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:29:09,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410288154] [2020-11-09 14:29:09,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:29:09,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:29:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:29:09,764 INFO L87 Difference]: Start difference. First operand 9001 states and 40850 transitions. Second operand 16 states. [2020-11-09 14:29:11,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:11,376 INFO L93 Difference]: Finished difference Result 29105 states and 111801 transitions. [2020-11-09 14:29:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:11,376 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:11,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:11,484 INFO L225 Difference]: With dead ends: 29105 [2020-11-09 14:29:11,485 INFO L226 Difference]: Without dead ends: 29085 [2020-11-09 14:29:11,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:11,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29085 states. [2020-11-09 14:29:12,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29085 to 8951. [2020-11-09 14:29:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2020-11-09 14:29:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40581 transitions. [2020-11-09 14:29:12,162 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40581 transitions. Word has length 25 [2020-11-09 14:29:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:12,163 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40581 transitions. [2020-11-09 14:29:12,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40581 transitions. [2020-11-09 14:29:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:12,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:12,166 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:12,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:12,368 INFO L429 AbstractCegarLoop]: === Iteration 31 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:12,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1730362171, now seen corresponding path program 2 times [2020-11-09 14:29:12,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:12,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861389317] [2020-11-09 14:29:12,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:12,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861389317] [2020-11-09 14:29:12,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638411569] [2020-11-09 14:29:12,452 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:12,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:29:12,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:29:12,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:29:12,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:29:12,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:12,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:29:12,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698190860] [2020-11-09 14:29:12,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:29:12,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:12,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:29:12,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:29:12,764 INFO L87 Difference]: Start difference. First operand 8951 states and 40581 transitions. Second operand 16 states. [2020-11-09 14:29:14,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:14,474 INFO L93 Difference]: Finished difference Result 28806 states and 110558 transitions. [2020-11-09 14:29:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:14,475 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-09 14:29:14,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:14,560 INFO L225 Difference]: With dead ends: 28806 [2020-11-09 14:29:14,560 INFO L226 Difference]: Without dead ends: 28779 [2020-11-09 14:29:14,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:29:14,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28779 states. [2020-11-09 14:29:15,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28779 to 8841. [2020-11-09 14:29:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8841 states. [2020-11-09 14:29:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 40058 transitions. [2020-11-09 14:29:15,046 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 40058 transitions. Word has length 25 [2020-11-09 14:29:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:15,046 INFO L481 AbstractCegarLoop]: Abstraction has 8841 states and 40058 transitions. [2020-11-09 14:29:15,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:29:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 40058 transitions. [2020-11-09 14:29:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:15,051 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:15,051 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:15,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2020-11-09 14:29:15,252 INFO L429 AbstractCegarLoop]: === Iteration 32 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:15,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:15,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1302913182, now seen corresponding path program 5 times [2020-11-09 14:29:15,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:15,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960116586] [2020-11-09 14:29:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:15,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960116586] [2020-11-09 14:29:15,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:15,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:15,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113363226] [2020-11-09 14:29:15,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:15,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:15,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:15,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:15,347 INFO L87 Difference]: Start difference. First operand 8841 states and 40058 transitions. Second operand 9 states. [2020-11-09 14:29:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:16,842 INFO L93 Difference]: Finished difference Result 28597 states and 109522 transitions. [2020-11-09 14:29:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:16,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:16,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:16,926 INFO L225 Difference]: With dead ends: 28597 [2020-11-09 14:29:16,926 INFO L226 Difference]: Without dead ends: 28577 [2020-11-09 14:29:16,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:17,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28577 states. [2020-11-09 14:29:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28577 to 8616. [2020-11-09 14:29:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8616 states. [2020-11-09 14:29:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8616 states to 8616 states and 39029 transitions. [2020-11-09 14:29:17,559 INFO L78 Accepts]: Start accepts. Automaton has 8616 states and 39029 transitions. Word has length 25 [2020-11-09 14:29:17,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:17,559 INFO L481 AbstractCegarLoop]: Abstraction has 8616 states and 39029 transitions. [2020-11-09 14:29:17,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 8616 states and 39029 transitions. [2020-11-09 14:29:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:17,564 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:17,564 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:17,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-11-09 14:29:17,564 INFO L429 AbstractCegarLoop]: === Iteration 33 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:17,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:17,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1302920901, now seen corresponding path program 3 times [2020-11-09 14:29:17,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:17,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261239598] [2020-11-09 14:29:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:17,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261239598] [2020-11-09 14:29:17,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:17,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:17,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462036656] [2020-11-09 14:29:17,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:17,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:17,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:17,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:17,658 INFO L87 Difference]: Start difference. First operand 8616 states and 39029 transitions. Second operand 9 states. [2020-11-09 14:29:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:19,088 INFO L93 Difference]: Finished difference Result 28374 states and 108800 transitions. [2020-11-09 14:29:19,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:19,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:19,196 INFO L225 Difference]: With dead ends: 28374 [2020-11-09 14:29:19,196 INFO L226 Difference]: Without dead ends: 28354 [2020-11-09 14:29:19,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28354 states. [2020-11-09 14:29:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28354 to 8466. [2020-11-09 14:29:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8466 states. [2020-11-09 14:29:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8466 states to 8466 states and 38348 transitions. [2020-11-09 14:29:19,663 INFO L78 Accepts]: Start accepts. Automaton has 8466 states and 38348 transitions. Word has length 25 [2020-11-09 14:29:19,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:19,663 INFO L481 AbstractCegarLoop]: Abstraction has 8466 states and 38348 transitions. [2020-11-09 14:29:19,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 8466 states and 38348 transitions. [2020-11-09 14:29:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:19,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:19,668 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:19,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-11-09 14:29:19,668 INFO L429 AbstractCegarLoop]: === Iteration 34 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:19,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1283569182, now seen corresponding path program 6 times [2020-11-09 14:29:19,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:19,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856113883] [2020-11-09 14:29:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:19,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856113883] [2020-11-09 14:29:19,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:19,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:19,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948608166] [2020-11-09 14:29:19,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:19,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:19,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:19,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:19,748 INFO L87 Difference]: Start difference. First operand 8466 states and 38348 transitions. Second operand 9 states. [2020-11-09 14:29:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:21,226 INFO L93 Difference]: Finished difference Result 27919 states and 106695 transitions. [2020-11-09 14:29:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:21,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:21,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:21,310 INFO L225 Difference]: With dead ends: 27919 [2020-11-09 14:29:21,310 INFO L226 Difference]: Without dead ends: 27892 [2020-11-09 14:29:21,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27892 states. [2020-11-09 14:29:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27892 to 8151. [2020-11-09 14:29:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8151 states. [2020-11-09 14:29:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8151 states to 8151 states and 36997 transitions. [2020-11-09 14:29:21,968 INFO L78 Accepts]: Start accepts. Automaton has 8151 states and 36997 transitions. Word has length 25 [2020-11-09 14:29:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:21,968 INFO L481 AbstractCegarLoop]: Abstraction has 8151 states and 36997 transitions. [2020-11-09 14:29:21,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 8151 states and 36997 transitions. [2020-11-09 14:29:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:21,972 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:21,973 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:21,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-11-09 14:29:21,973 INFO L429 AbstractCegarLoop]: === Iteration 35 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1283556751, now seen corresponding path program 3 times [2020-11-09 14:29:21,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:21,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151299400] [2020-11-09 14:29:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:22,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151299400] [2020-11-09 14:29:22,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:22,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:22,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418317331] [2020-11-09 14:29:22,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:22,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:22,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:22,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:22,088 INFO L87 Difference]: Start difference. First operand 8151 states and 36997 transitions. Second operand 9 states. [2020-11-09 14:29:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:23,454 INFO L93 Difference]: Finished difference Result 27732 states and 106194 transitions. [2020-11-09 14:29:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:23,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:23,534 INFO L225 Difference]: With dead ends: 27732 [2020-11-09 14:29:23,535 INFO L226 Difference]: Without dead ends: 27712 [2020-11-09 14:29:23,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27712 states. [2020-11-09 14:29:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27712 to 8053. [2020-11-09 14:29:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8053 states. [2020-11-09 14:29:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8053 states to 8053 states and 36561 transitions. [2020-11-09 14:29:24,227 INFO L78 Accepts]: Start accepts. Automaton has 8053 states and 36561 transitions. Word has length 25 [2020-11-09 14:29:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:24,228 INFO L481 AbstractCegarLoop]: Abstraction has 8053 states and 36561 transitions. [2020-11-09 14:29:24,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8053 states and 36561 transitions. [2020-11-09 14:29:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:24,231 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:24,231 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:24,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-11-09 14:29:24,232 INFO L429 AbstractCegarLoop]: === Iteration 36 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:24,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:24,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1290987141, now seen corresponding path program 4 times [2020-11-09 14:29:24,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:24,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594152282] [2020-11-09 14:29:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:24,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594152282] [2020-11-09 14:29:24,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:24,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:24,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227387779] [2020-11-09 14:29:24,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:24,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:24,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:24,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:24,322 INFO L87 Difference]: Start difference. First operand 8053 states and 36561 transitions. Second operand 9 states. [2020-11-09 14:29:25,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:25,805 INFO L93 Difference]: Finished difference Result 27752 states and 106300 transitions. [2020-11-09 14:29:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:25,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:25,892 INFO L225 Difference]: With dead ends: 27752 [2020-11-09 14:29:25,892 INFO L226 Difference]: Without dead ends: 27725 [2020-11-09 14:29:25,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:26,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27725 states. [2020-11-09 14:29:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27725 to 8053. [2020-11-09 14:29:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8053 states. [2020-11-09 14:29:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8053 states to 8053 states and 36529 transitions. [2020-11-09 14:29:26,575 INFO L78 Accepts]: Start accepts. Automaton has 8053 states and 36529 transitions. Word has length 25 [2020-11-09 14:29:26,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:26,575 INFO L481 AbstractCegarLoop]: Abstraction has 8053 states and 36529 transitions. [2020-11-09 14:29:26,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 8053 states and 36529 transitions. [2020-11-09 14:29:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:26,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:26,580 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:26,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-11-09 14:29:26,580 INFO L429 AbstractCegarLoop]: === Iteration 37 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:26,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1290966991, now seen corresponding path program 4 times [2020-11-09 14:29:26,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:26,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112221680] [2020-11-09 14:29:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:26,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112221680] [2020-11-09 14:29:26,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:26,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:26,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256367238] [2020-11-09 14:29:26,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:26,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:26,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:26,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:26,734 INFO L87 Difference]: Start difference. First operand 8053 states and 36529 transitions. Second operand 9 states. [2020-11-09 14:29:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:27,969 INFO L93 Difference]: Finished difference Result 27429 states and 105043 transitions. [2020-11-09 14:29:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:27,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:28,048 INFO L225 Difference]: With dead ends: 27429 [2020-11-09 14:29:28,048 INFO L226 Difference]: Without dead ends: 27402 [2020-11-09 14:29:28,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27402 states. [2020-11-09 14:29:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27402 to 7996. [2020-11-09 14:29:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7996 states. [2020-11-09 14:29:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7996 states to 7996 states and 36246 transitions. [2020-11-09 14:29:28,694 INFO L78 Accepts]: Start accepts. Automaton has 7996 states and 36246 transitions. Word has length 25 [2020-11-09 14:29:28,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:28,694 INFO L481 AbstractCegarLoop]: Abstraction has 7996 states and 36246 transitions. [2020-11-09 14:29:28,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 7996 states and 36246 transitions. [2020-11-09 14:29:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:28,698 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:28,698 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:28,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-11-09 14:29:28,698 INFO L429 AbstractCegarLoop]: === Iteration 38 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:28,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1806156920, now seen corresponding path program 1 times [2020-11-09 14:29:28,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:28,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163482464] [2020-11-09 14:29:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-09 14:29:28,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163482464] [2020-11-09 14:29:28,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:28,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:29:28,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317799388] [2020-11-09 14:29:28,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:29:28,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:28,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:29:28,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:29:28,762 INFO L87 Difference]: Start difference. First operand 7996 states and 36246 transitions. Second operand 5 states. [2020-11-09 14:29:28,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:28,991 INFO L93 Difference]: Finished difference Result 13000 states and 56551 transitions. [2020-11-09 14:29:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:29:28,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-09 14:29:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:29,030 INFO L225 Difference]: With dead ends: 13000 [2020-11-09 14:29:29,030 INFO L226 Difference]: Without dead ends: 12968 [2020-11-09 14:29:29,030 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 [2020-11-09 14:29:29,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12968 states. [2020-11-09 14:29:29,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12968 to 9425. [2020-11-09 14:29:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2020-11-09 14:29:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 42312 transitions. [2020-11-09 14:29:29,611 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 42312 transitions. Word has length 25 [2020-11-09 14:29:29,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:29,611 INFO L481 AbstractCegarLoop]: Abstraction has 9425 states and 42312 transitions. [2020-11-09 14:29:29,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:29:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 42312 transitions. [2020-11-09 14:29:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:29,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:29,615 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:29,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-11-09 14:29:29,615 INFO L429 AbstractCegarLoop]: === Iteration 39 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:29,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:29,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1073288645, now seen corresponding path program 5 times [2020-11-09 14:29:29,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:29,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645399880] [2020-11-09 14:29:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:29,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645399880] [2020-11-09 14:29:29,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:29,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:29,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91584543] [2020-11-09 14:29:29,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:29,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:29,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:29,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:29,698 INFO L87 Difference]: Start difference. First operand 9425 states and 42312 transitions. Second operand 9 states. [2020-11-09 14:29:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:30,914 INFO L93 Difference]: Finished difference Result 30960 states and 119709 transitions. [2020-11-09 14:29:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:30,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:31,009 INFO L225 Difference]: With dead ends: 30960 [2020-11-09 14:29:31,010 INFO L226 Difference]: Without dead ends: 30934 [2020-11-09 14:29:31,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:31,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30934 states. [2020-11-09 14:29:31,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30934 to 9270. [2020-11-09 14:29:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9270 states. [2020-11-09 14:29:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9270 states to 9270 states and 41573 transitions. [2020-11-09 14:29:31,840 INFO L78 Accepts]: Start accepts. Automaton has 9270 states and 41573 transitions. Word has length 25 [2020-11-09 14:29:31,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:31,841 INFO L481 AbstractCegarLoop]: Abstraction has 9270 states and 41573 transitions. [2020-11-09 14:29:31,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9270 states and 41573 transitions. [2020-11-09 14:29:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:31,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:31,844 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:31,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-11-09 14:29:31,844 INFO L429 AbstractCegarLoop]: === Iteration 40 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:31,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:31,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1057128965, now seen corresponding path program 6 times [2020-11-09 14:29:31,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:31,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963746916] [2020-11-09 14:29:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:31,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963746916] [2020-11-09 14:29:31,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:31,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:31,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102292263] [2020-11-09 14:29:31,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:31,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:31,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:31,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:31,935 INFO L87 Difference]: Start difference. First operand 9270 states and 41573 transitions. Second operand 9 states. [2020-11-09 14:29:33,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:33,542 INFO L93 Difference]: Finished difference Result 30557 states and 118001 transitions. [2020-11-09 14:29:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:33,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:33,628 INFO L225 Difference]: With dead ends: 30557 [2020-11-09 14:29:33,628 INFO L226 Difference]: Without dead ends: 30524 [2020-11-09 14:29:33,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30524 states. [2020-11-09 14:29:34,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30524 to 9003. [2020-11-09 14:29:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9003 states. [2020-11-09 14:29:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9003 states to 9003 states and 40426 transitions. [2020-11-09 14:29:34,368 INFO L78 Accepts]: Start accepts. Automaton has 9003 states and 40426 transitions. Word has length 25 [2020-11-09 14:29:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:34,368 INFO L481 AbstractCegarLoop]: Abstraction has 9003 states and 40426 transitions. [2020-11-09 14:29:34,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9003 states and 40426 transitions. [2020-11-09 14:29:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:34,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:34,371 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:34,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-11-09 14:29:34,372 INFO L429 AbstractCegarLoop]: === Iteration 41 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:34,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1057108815, now seen corresponding path program 5 times [2020-11-09 14:29:34,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:34,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039200665] [2020-11-09 14:29:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:34,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039200665] [2020-11-09 14:29:34,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:34,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:34,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290852370] [2020-11-09 14:29:34,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:34,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:34,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:34,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:34,449 INFO L87 Difference]: Start difference. First operand 9003 states and 40426 transitions. Second operand 9 states. [2020-11-09 14:29:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:35,744 INFO L93 Difference]: Finished difference Result 30154 states and 116397 transitions. [2020-11-09 14:29:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:35,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:35,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:35,829 INFO L225 Difference]: With dead ends: 30154 [2020-11-09 14:29:35,829 INFO L226 Difference]: Without dead ends: 30128 [2020-11-09 14:29:35,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30128 states. [2020-11-09 14:29:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30128 to 8901. [2020-11-09 14:29:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2020-11-09 14:29:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 39944 transitions. [2020-11-09 14:29:36,573 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 39944 transitions. Word has length 25 [2020-11-09 14:29:36,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:36,574 INFO L481 AbstractCegarLoop]: Abstraction has 8901 states and 39944 transitions. [2020-11-09 14:29:36,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 39944 transitions. [2020-11-09 14:29:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 14:29:36,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:36,578 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:36,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-11-09 14:29:36,578 INFO L429 AbstractCegarLoop]: === Iteration 42 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1053924495, now seen corresponding path program 6 times [2020-11-09 14:29:36,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:36,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920405847] [2020-11-09 14:29:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 14:29:36,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920405847] [2020-11-09 14:29:36,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:36,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 14:29:36,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120430151] [2020-11-09 14:29:36,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:29:36,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:36,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:29:36,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:29:36,670 INFO L87 Difference]: Start difference. First operand 8901 states and 39944 transitions. Second operand 9 states. [2020-11-09 14:29:38,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:38,197 INFO L93 Difference]: Finished difference Result 29876 states and 115200 transitions. [2020-11-09 14:29:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:29:38,198 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 14:29:38,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:38,285 INFO L225 Difference]: With dead ends: 29876 [2020-11-09 14:29:38,285 INFO L226 Difference]: Without dead ends: 29843 [2020-11-09 14:29:38,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 14:29:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29843 states. [2020-11-09 14:29:38,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29843 to 8560. [2020-11-09 14:29:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2020-11-09 14:29:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2020-11-09 14:29:39,018 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2020-11-09 14:29:39,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:39,018 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2020-11-09 14:29:39,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:29:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2020-11-09 14:29:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-09 14:29:39,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:39,024 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:39,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-11-09 14:29:39,024 INFO L429 AbstractCegarLoop]: === Iteration 43 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:29:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:39,025 INFO L82 PathProgramCache]: Analyzing trace with hash 150081278, now seen corresponding path program 1 times [2020-11-09 14:29:39,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:39,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959120421] [2020-11-09 14:29:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:29:39,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:29:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 14:29:39,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 14:29:39,104 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 14:29:39,105 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 14:29:39,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-11-09 14:29:39,105 WARN L386 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 14:29:39,105 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,136 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,136 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:29:39,202 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 14:29:39,203 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-11-09 14:29:39,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:29:39,203 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:29:39,204 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:29:39,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 14:29:39,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:29:39,204 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:29:39,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:29:39,204 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:29:39,206 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:29:39,206 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 172 transitions, 464 flow [2020-11-09 14:29:39,206 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 172 transitions, 464 flow [2020-11-09 14:29:39,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 172 transitions, 464 flow [2020-11-09 14:29:39,243 INFO L129 PetriNetUnfolder]: 10/182 cut-off events. [2020-11-09 14:29:39,243 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-11-09 14:29:39,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 182 events. 10/182 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 320 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 217. Up to 14 conditions per place. [2020-11-09 14:29:39,252 INFO L116 LiptonReduction]: Number of co-enabled transitions 3372 [2020-11-09 14:29:42,190 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-09 14:29:44,815 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2020-11-09 14:29:44,919 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-09 14:29:45,140 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-11-09 14:29:45,960 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2020-11-09 14:29:46,437 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 14:29:46,618 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-09 14:29:46,918 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2020-11-09 14:29:47,235 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2020-11-09 14:29:47,786 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-11-09 14:29:47,978 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 14:29:48,439 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2020-11-09 14:29:48,656 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 14:29:48,683 INFO L131 LiptonReduction]: Checked pairs total: 5911 [2020-11-09 14:29:48,683 INFO L133 LiptonReduction]: Total number of compositions: 191 [2020-11-09 14:29:48,683 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2020-11-09 14:29:50,470 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2020-11-09 14:29:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2020-11-09 14:29:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 14:29:50,471 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:50,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 14:29:50,471 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]=== [2020-11-09 14:29:50,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:50,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1689038, now seen corresponding path program 1 times [2020-11-09 14:29:50,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:50,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900356375] [2020-11-09 14:29:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:29:50,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900356375] [2020-11-09 14:29:50,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:50,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 14:29:50,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644737879] [2020-11-09 14:29:50,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:29:50,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:50,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:29:50,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:29:50,489 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2020-11-09 14:29:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:50,683 INFO L93 Difference]: Finished difference Result 17885 states and 92755 transitions. [2020-11-09 14:29:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:29:50,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 14:29:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:50,746 INFO L225 Difference]: With dead ends: 17885 [2020-11-09 14:29:50,747 INFO L226 Difference]: Without dead ends: 16791 [2020-11-09 14:29:50,747 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 [2020-11-09 14:29:51,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16791 states. [2020-11-09 14:29:51,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16791 to 16791. [2020-11-09 14:29:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2020-11-09 14:29:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2020-11-09 14:29:51,807 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2020-11-09 14:29:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:51,807 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2020-11-09 14:29:51,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:29:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2020-11-09 14:29:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 14:29:51,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:51,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:51,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-11-09 14:29:51,808 INFO L429 AbstractCegarLoop]: === Iteration 2 === [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]=== [2020-11-09 14:29:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:51,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1195163712, now seen corresponding path program 1 times [2020-11-09 14:29:51,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:51,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042971851] [2020-11-09 14:29:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:29:51,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042971851] [2020-11-09 14:29:51,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:51,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:29:51,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207571150] [2020-11-09 14:29:51,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:29:51,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:51,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:29:51,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:29:51,843 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states. [2020-11-09 14:29:52,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:52,599 INFO L93 Difference]: Finished difference Result 30985 states and 150574 transitions. [2020-11-09 14:29:52,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:29:52,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 14:29:52,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:52,778 INFO L225 Difference]: With dead ends: 30985 [2020-11-09 14:29:52,779 INFO L226 Difference]: Without dead ends: 30977 [2020-11-09 14:29:52,779 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 [2020-11-09 14:29:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30977 states. [2020-11-09 14:29:54,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30977 to 19868. [2020-11-09 14:29:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19868 states. [2020-11-09 14:29:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19868 states to 19868 states and 103363 transitions. [2020-11-09 14:29:54,606 INFO L78 Accepts]: Start accepts. Automaton has 19868 states and 103363 transitions. Word has length 9 [2020-11-09 14:29:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:54,607 INFO L481 AbstractCegarLoop]: Abstraction has 19868 states and 103363 transitions. [2020-11-09 14:29:54,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:29:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 19868 states and 103363 transitions. [2020-11-09 14:29:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:29:54,623 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:54,624 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:54,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-11-09 14:29:54,624 INFO L429 AbstractCegarLoop]: === Iteration 3 === [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]=== [2020-11-09 14:29:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:54,624 INFO L82 PathProgramCache]: Analyzing trace with hash 749431237, now seen corresponding path program 1 times [2020-11-09 14:29:54,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:54,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139399952] [2020-11-09 14:29:54,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:29:54,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139399952] [2020-11-09 14:29:54,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:29:54,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:29:54,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044281728] [2020-11-09 14:29:54,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:29:54,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:29:54,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:29:54,739 INFO L87 Difference]: Start difference. First operand 19868 states and 103363 transitions. Second operand 5 states. [2020-11-09 14:29:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:55,281 INFO L93 Difference]: Finished difference Result 36296 states and 178836 transitions. [2020-11-09 14:29:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:29:55,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:29:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:55,458 INFO L225 Difference]: With dead ends: 36296 [2020-11-09 14:29:55,458 INFO L226 Difference]: Without dead ends: 36280 [2020-11-09 14:29:55,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:29:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36280 states. [2020-11-09 14:29:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36280 to 23806. [2020-11-09 14:29:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23806 states. [2020-11-09 14:29:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 125455 transitions. [2020-11-09 14:29:57,506 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 125455 transitions. Word has length 13 [2020-11-09 14:29:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:29:57,507 INFO L481 AbstractCegarLoop]: Abstraction has 23806 states and 125455 transitions. [2020-11-09 14:29:57,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:29:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 125455 transitions. [2020-11-09 14:29:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:29:57,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:29:57,508 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:29:57,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-11-09 14:29:57,508 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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]=== [2020-11-09 14:29:57,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:29:57,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1975297452, now seen corresponding path program 1 times [2020-11-09 14:29:57,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:29:57,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287815527] [2020-11-09 14:29:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:29:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:57,658 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-09 14:29:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:29:57,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287815527] [2020-11-09 14:29:57,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610901771] [2020-11-09 14:29:57,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:29:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:29:57,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:29:57,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:29:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:29:57,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:29:57,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:29:57,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774305105] [2020-11-09 14:29:57,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:29:57,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:29:57,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:29:57,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:29:57,908 INFO L87 Difference]: Start difference. First operand 23806 states and 125455 transitions. Second operand 12 states. [2020-11-09 14:29:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:29:59,210 INFO L93 Difference]: Finished difference Result 56720 states and 262685 transitions. [2020-11-09 14:29:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:29:59,211 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-11-09 14:29:59,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:29:59,478 INFO L225 Difference]: With dead ends: 56720 [2020-11-09 14:29:59,478 INFO L226 Difference]: Without dead ends: 56704 [2020-11-09 14:29:59,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:30:00,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56704 states. [2020-11-09 14:30:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56704 to 23629. [2020-11-09 14:30:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23629 states. [2020-11-09 14:30:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23629 states to 23629 states and 124418 transitions. [2020-11-09 14:30:01,707 INFO L78 Accepts]: Start accepts. Automaton has 23629 states and 124418 transitions. Word has length 15 [2020-11-09 14:30:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:01,707 INFO L481 AbstractCegarLoop]: Abstraction has 23629 states and 124418 transitions. [2020-11-09 14:30:01,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:30:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 23629 states and 124418 transitions. [2020-11-09 14:30:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 14:30:01,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:01,708 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:01,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2020-11-09 14:30:01,924 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-11-09 14:30:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:01,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1351073514, now seen corresponding path program 2 times [2020-11-09 14:30:01,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:01,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604481626] [2020-11-09 14:30:01,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:30:01,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604481626] [2020-11-09 14:30:01,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:30:01,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:30:01,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604935270] [2020-11-09 14:30:01,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:30:01,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:01,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:30:01,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:30:01,990 INFO L87 Difference]: Start difference. First operand 23629 states and 124418 transitions. Second operand 7 states. [2020-11-09 14:30:03,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:03,210 INFO L93 Difference]: Finished difference Result 58078 states and 269185 transitions. [2020-11-09 14:30:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:30:03,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 14:30:03,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:03,465 INFO L225 Difference]: With dead ends: 58078 [2020-11-09 14:30:03,465 INFO L226 Difference]: Without dead ends: 58061 [2020-11-09 14:30:03,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:30:04,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58061 states. [2020-11-09 14:30:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58061 to 23109. [2020-11-09 14:30:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23109 states. [2020-11-09 14:30:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23109 states to 23109 states and 121651 transitions. [2020-11-09 14:30:05,844 INFO L78 Accepts]: Start accepts. Automaton has 23109 states and 121651 transitions. Word has length 15 [2020-11-09 14:30:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:05,845 INFO L481 AbstractCegarLoop]: Abstraction has 23109 states and 121651 transitions. [2020-11-09 14:30:05,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:30:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 23109 states and 121651 transitions. [2020-11-09 14:30:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 14:30:05,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:05,845 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:05,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-11-09 14:30:05,846 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-11-09 14:30:05,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:05,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1256878032, now seen corresponding path program 1 times [2020-11-09 14:30:05,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:05,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946495438] [2020-11-09 14:30:05,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:30:05,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946495438] [2020-11-09 14:30:05,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:30:05,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:30:05,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102754567] [2020-11-09 14:30:05,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:30:05,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:05,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:30:05,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 14:30:05,887 INFO L87 Difference]: Start difference. First operand 23109 states and 121651 transitions. Second operand 5 states. [2020-11-09 14:30:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:06,754 INFO L93 Difference]: Finished difference Result 41885 states and 209629 transitions. [2020-11-09 14:30:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 14:30:06,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 14:30:06,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:06,946 INFO L225 Difference]: With dead ends: 41885 [2020-11-09 14:30:06,947 INFO L226 Difference]: Without dead ends: 41856 [2020-11-09 14:30:06,947 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 [2020-11-09 14:30:08,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2020-11-09 14:30:08,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 28237. [2020-11-09 14:30:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28237 states. [2020-11-09 14:30:09,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28237 states to 28237 states and 150261 transitions. [2020-11-09 14:30:09,072 INFO L78 Accepts]: Start accepts. Automaton has 28237 states and 150261 transitions. Word has length 17 [2020-11-09 14:30:09,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:09,072 INFO L481 AbstractCegarLoop]: Abstraction has 28237 states and 150261 transitions. [2020-11-09 14:30:09,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:30:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 28237 states and 150261 transitions. [2020-11-09 14:30:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:30:09,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:09,073 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:09,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-11-09 14:30:09,079 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-11-09 14:30:09,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:09,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1122599135, now seen corresponding path program 1 times [2020-11-09 14:30:09,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:09,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188533701] [2020-11-09 14:30:09,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:09,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188533701] [2020-11-09 14:30:09,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887774103] [2020-11-09 14:30:09,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:09,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:30:09,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:30:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:09,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:30:09,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:30:09,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434018586] [2020-11-09 14:30:09,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:30:09,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:09,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:30:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:30:09,409 INFO L87 Difference]: Start difference. First operand 28237 states and 150261 transitions. Second operand 12 states. [2020-11-09 14:30:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:10,787 INFO L93 Difference]: Finished difference Result 66831 states and 314874 transitions. [2020-11-09 14:30:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:30:10,787 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-11-09 14:30:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:11,077 INFO L225 Difference]: With dead ends: 66831 [2020-11-09 14:30:11,077 INFO L226 Difference]: Without dead ends: 66807 [2020-11-09 14:30:11,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:30:12,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66807 states. [2020-11-09 14:30:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66807 to 28673. [2020-11-09 14:30:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28673 states. [2020-11-09 14:30:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 152375 transitions. [2020-11-09 14:30:14,031 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 152375 transitions. Word has length 19 [2020-11-09 14:30:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:14,032 INFO L481 AbstractCegarLoop]: Abstraction has 28673 states and 152375 transitions. [2020-11-09 14:30:14,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:30:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 152375 transitions. [2020-11-09 14:30:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:30:14,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:14,033 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:14,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81 [2020-11-09 14:30:14,247 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-11-09 14:30:14,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:14,248 INFO L82 PathProgramCache]: Analyzing trace with hash -30740687, now seen corresponding path program 1 times [2020-11-09 14:30:14,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:14,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757692942] [2020-11-09 14:30:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:14,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757692942] [2020-11-09 14:30:14,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982147127] [2020-11-09 14:30:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:14,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-09 14:30:14,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:30:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:14,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:30:14,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-11-09 14:30:14,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730231602] [2020-11-09 14:30:14,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 14:30:14,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:14,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 14:30:14,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-09 14:30:14,531 INFO L87 Difference]: Start difference. First operand 28673 states and 152375 transitions. Second operand 12 states. [2020-11-09 14:30:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:15,940 INFO L93 Difference]: Finished difference Result 69484 states and 328264 transitions. [2020-11-09 14:30:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:30:15,941 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-11-09 14:30:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:16,264 INFO L225 Difference]: With dead ends: 69484 [2020-11-09 14:30:16,264 INFO L226 Difference]: Without dead ends: 69451 [2020-11-09 14:30:16,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-11-09 14:30:17,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69451 states. [2020-11-09 14:30:18,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69451 to 28873. [2020-11-09 14:30:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28873 states. [2020-11-09 14:30:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28873 states to 28873 states and 153454 transitions. [2020-11-09 14:30:18,844 INFO L78 Accepts]: Start accepts. Automaton has 28873 states and 153454 transitions. Word has length 19 [2020-11-09 14:30:18,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:18,844 INFO L481 AbstractCegarLoop]: Abstraction has 28873 states and 153454 transitions. [2020-11-09 14:30:18,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 14:30:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 28873 states and 153454 transitions. [2020-11-09 14:30:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:30:18,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:18,845 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:19,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:19,046 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]=== [2020-11-09 14:30:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:19,046 INFO L82 PathProgramCache]: Analyzing trace with hash 973992033, now seen corresponding path program 2 times [2020-11-09 14:30:19,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:19,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986361960] [2020-11-09 14:30:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:30:19,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986361960] [2020-11-09 14:30:19,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:30:19,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:30:19,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313690694] [2020-11-09 14:30:19,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:30:19,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:19,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:30:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:30:19,128 INFO L87 Difference]: Start difference. First operand 28873 states and 153454 transitions. Second operand 7 states. [2020-11-09 14:30:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:20,521 INFO L93 Difference]: Finished difference Result 70510 states and 333491 transitions. [2020-11-09 14:30:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:30:20,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:30:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:20,818 INFO L225 Difference]: With dead ends: 70510 [2020-11-09 14:30:20,818 INFO L226 Difference]: Without dead ends: 70477 [2020-11-09 14:30:20,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:30:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70477 states. [2020-11-09 14:30:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70477 to 28942. [2020-11-09 14:30:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28942 states. [2020-11-09 14:30:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28942 states to 28942 states and 153921 transitions. [2020-11-09 14:30:23,971 INFO L78 Accepts]: Start accepts. Automaton has 28942 states and 153921 transitions. Word has length 19 [2020-11-09 14:30:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:23,971 INFO L481 AbstractCegarLoop]: Abstraction has 28942 states and 153921 transitions. [2020-11-09 14:30:23,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:30:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28942 states and 153921 transitions. [2020-11-09 14:30:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 14:30:23,972 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:23,972 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:23,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2020-11-09 14:30:23,972 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]=== [2020-11-09 14:30:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:23,973 INFO L82 PathProgramCache]: Analyzing trace with hash 973976719, now seen corresponding path program 2 times [2020-11-09 14:30:23,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:23,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255850034] [2020-11-09 14:30:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 14:30:24,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255850034] [2020-11-09 14:30:24,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:30:24,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 14:30:24,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739028781] [2020-11-09 14:30:24,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:30:24,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:24,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:30:24,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:30:24,042 INFO L87 Difference]: Start difference. First operand 28942 states and 153921 transitions. Second operand 7 states. [2020-11-09 14:30:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:25,436 INFO L93 Difference]: Finished difference Result 70096 states and 331298 transitions. [2020-11-09 14:30:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 14:30:25,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 14:30:25,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:25,761 INFO L225 Difference]: With dead ends: 70096 [2020-11-09 14:30:25,761 INFO L226 Difference]: Without dead ends: 70063 [2020-11-09 14:30:25,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 14:30:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70063 states. [2020-11-09 14:30:28,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70063 to 29094. [2020-11-09 14:30:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29094 states. [2020-11-09 14:30:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 154883 transitions. [2020-11-09 14:30:28,293 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 154883 transitions. Word has length 19 [2020-11-09 14:30:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:28,293 INFO L481 AbstractCegarLoop]: Abstraction has 29094 states and 154883 transitions. [2020-11-09 14:30:28,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:30:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 154883 transitions. [2020-11-09 14:30:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:30:28,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:28,294 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:28,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2020-11-09 14:30:28,294 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-11-09 14:30:28,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:28,295 INFO L82 PathProgramCache]: Analyzing trace with hash -223741824, now seen corresponding path program 1 times [2020-11-09 14:30:28,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:28,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285844440] [2020-11-09 14:30:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:30:28,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285844440] [2020-11-09 14:30:28,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24043047] [2020-11-09 14:30:28,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:30:28,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:30:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:30:29,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:30:29,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:30:29,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863351142] [2020-11-09 14:30:29,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:30:29,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:29,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:30:29,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:30:29,092 INFO L87 Difference]: Start difference. First operand 29094 states and 154883 transitions. Second operand 16 states. [2020-11-09 14:30:31,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:31,631 INFO L93 Difference]: Finished difference Result 100731 states and 448596 transitions. [2020-11-09 14:30:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:30:31,632 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:30:31,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:32,095 INFO L225 Difference]: With dead ends: 100731 [2020-11-09 14:30:32,096 INFO L226 Difference]: Without dead ends: 100715 [2020-11-09 14:30:32,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-11-09 14:30:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100715 states. [2020-11-09 14:30:35,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100715 to 28719. [2020-11-09 14:30:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28719 states. [2020-11-09 14:30:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 152760 transitions. [2020-11-09 14:30:35,456 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 152760 transitions. Word has length 21 [2020-11-09 14:30:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:30:35,457 INFO L481 AbstractCegarLoop]: Abstraction has 28719 states and 152760 transitions. [2020-11-09 14:30:35,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 14:30:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 152760 transitions. [2020-11-09 14:30:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:30:35,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:30:35,458 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:30:35,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:35,659 INFO L429 AbstractCegarLoop]: === Iteration 12 === [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]=== [2020-11-09 14:30:35,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:30:35,660 INFO L82 PathProgramCache]: Analyzing trace with hash 780975582, now seen corresponding path program 2 times [2020-11-09 14:30:35,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:30:35,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035555965] [2020-11-09 14:30:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:30:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:30:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:35,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035555965] [2020-11-09 14:30:35,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213140363] [2020-11-09 14:30:35,747 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:30:35,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:30:35,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:30:35,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 14:30:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:30:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 14:30:36,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:30:36,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-11-09 14:30:36,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508300883] [2020-11-09 14:30:36,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 14:30:36,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:30:36,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 14:30:36,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-09 14:30:36,056 INFO L87 Difference]: Start difference. First operand 28719 states and 152760 transitions. Second operand 16 states. [2020-11-09 14:30:36,833 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-09 14:30:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:30:39,050 INFO L93 Difference]: Finished difference Result 99876 states and 444348 transitions. [2020-11-09 14:30:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 14:30:39,051 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-11-09 14:30:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:30:39,520 INFO L225 Difference]: With dead ends: 99876 [2020-11-09 14:30:39,520 INFO L226 Difference]: Without dead ends: 99855 [2020-11-09 14:30:39,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 Received shutdown request... [2020-11-09 14:30:40,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99855 states. [2020-11-09 14:30:41,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2020-11-09 14:30:41,172 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 14:30:41,176 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 14:30:41,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:30:41 BasicIcfg [2020-11-09 14:30:41,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 14:30:41,178 INFO L168 Benchmark]: Toolchain (without parser) took 209069.65 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 125.2 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,178 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 14:30:41,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 128.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.48 ms. Allocated memory is still 151.0 MB. Free memory was 128.3 MB in the beginning and 126.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,179 INFO L168 Benchmark]: Boogie Preprocessor took 76.21 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 125.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,180 INFO L168 Benchmark]: RCFGBuilder took 705.73 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 104.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,180 INFO L168 Benchmark]: TraceAbstraction took 207317.49 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 104.4 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. [2020-11-09 14:30:41,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 847.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 128.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.48 ms. Allocated memory is still 151.0 MB. Free memory was 128.3 MB in the beginning and 126.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.21 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 125.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 705.73 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 104.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 207317.49 ms. Allocated memory was 151.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 104.4 MB in the beginning and 4.3 GB in the end (delta: -4.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 454 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.8s, 69 PlacesBefore, 18 PlacesAfterwards, 67 TransitionsBefore, 12 TransitionsAfterwards, 832 CoEnabledTransitionPairs, 7 FixpointIterations, 25 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 69 TotalNumberOfCompositions, 793 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 655 VarBasedMoverChecksPositive, 10 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 25 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.3s, 92 PlacesBefore, 31 PlacesAfterwards, 88 TransitionsBefore, 21 TransitionsAfterwards, 1220 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 6 ConcurrentYvCompositions, 6 ChoiceCompositions, 86 TotalNumberOfCompositions, 1551 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 861 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.2s, 115 PlacesBefore, 41 PlacesAfterwards, 109 TransitionsBefore, 27 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 6 FixpointIterations, 55 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 107 TotalNumberOfCompositions, 2216 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1162 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 64 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.0s, 138 PlacesBefore, 51 PlacesAfterwards, 130 TransitionsBefore, 33 TransitionsAfterwards, 2176 CoEnabledTransitionPairs, 6 FixpointIterations, 70 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 5 ConcurrentYvCompositions, 10 ChoiceCompositions, 134 TotalNumberOfCompositions, 3275 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1421 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 82 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.4s, 161 PlacesBefore, 61 PlacesAfterwards, 151 TransitionsBefore, 39 TransitionsAfterwards, 2744 CoEnabledTransitionPairs, 6 FixpointIterations, 89 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 6 ConcurrentYvCompositions, 12 ChoiceCompositions, 162 TotalNumberOfCompositions, 4200 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1751 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.4s, 184 PlacesBefore, 71 PlacesAfterwards, 172 TransitionsBefore, 45 TransitionsAfterwards, 3372 CoEnabledTransitionPairs, 6 FixpointIterations, 109 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 6 ConcurrentYvCompositions, 14 ChoiceCompositions, 191 TotalNumberOfCompositions, 5911 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 206.7s, OverallIterations: 87, TraceHistogramMax: 6, AutomataDifference: 81.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 48.0s, HoareTripleCheckerStatistics: 3511 SDtfs, 16746 SDslu, 11487 SDs, 0 SdLazy, 22546 SolverSat, 1501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1861 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 1534 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9641 ImplicationChecksByTransitivity, 26.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29094occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 56.6s AutomataMinimizationTime, 82 MinimizatonAttempts, 1016005 StatesRemovedByMinimization, 74 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2081 NumberOfCodeBlocks, 2073 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 1888 ConstructedInterpolants, 0 QuantifiedInterpolants, 248532 SizeOfPredicates, 120 NumberOfNonLiveVariables, 2881 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 105 InterpolantComputations, 59 PerfectInterpolantSequences, 696/1032 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown