/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread-lit/fkp2013-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:15:04,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:15:04,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:15:04,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:15:04,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:15:04,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:15:04,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:15:04,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:15:04,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:15:04,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:15:04,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:15:04,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:15:04,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:15:04,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:15:04,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:15:04,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:15:04,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:15:04,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:15:04,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:15:04,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:15:04,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:15:04,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:15:04,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:15:04,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:15:04,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 11:15:04,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:15:04,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:15:04,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:15:04,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:15:04,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:15:04,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:15:04,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:15:04,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:15:04,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:15:04,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:15:04,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:15:04,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:15:04,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:15:04,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:15:04,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:15:04,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:15:04,729 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:15:04,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:15:04,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:15:04,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:15:04,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:15:04,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:15:04,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:15:04,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:15:04,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:15:04,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:15:04,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:15:04,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:15:04,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:15:04,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:15:04,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:15:04,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:15:04,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:15:04,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:15:04,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:15:04,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:15:04,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:15:04,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:15:05,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:15:05,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:15:05,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:15:05,249 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:15:05,249 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:15:05,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/fkp2013-1.i [2020-12-22 11:15:05,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acc30d80/0d8e1f3922a8417e84c6ca3aaf5277ba/FLAG4ffb1b710 [2020-12-22 11:15:06,171 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:15:06,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-1.i [2020-12-22 11:15:06,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acc30d80/0d8e1f3922a8417e84c6ca3aaf5277ba/FLAG4ffb1b710 [2020-12-22 11:15:06,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acc30d80/0d8e1f3922a8417e84c6ca3aaf5277ba [2020-12-22 11:15:06,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:15:06,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:15:06,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:15:06,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:15:06,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:15:06,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:06,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5a3c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06, skipping insertion in model container [2020-12-22 11:15:06,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:06,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:15:06,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:15:06,813 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-1.i[30003,30016] [2020-12-22 11:15:06,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:15:06,840 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:15:06,880 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-1.i[30003,30016] [2020-12-22 11:15:06,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:15:06,984 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:15:06,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06 WrapperNode [2020-12-22 11:15:06,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:15:06,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:15:06,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:15:06,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:15:06,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:15:07,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:15:07,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:15:07,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:15:07,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (1/1) ... [2020-12-22 11:15:07,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:15:07,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:15:07,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:15:07,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:15:07,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (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 [2020-12-22 11:15:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-22 11:15:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-22 11:15:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-22 11:15:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-22 11:15:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:15:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:15:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:15:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:15:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:15:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:15:07,242 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-22 11:15:07,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:15:07,605 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 11:15:07,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:15:07 BoogieIcfgContainer [2020-12-22 11:15:07,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:15:07,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:15:07,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:15:07,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:15:07,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:15:06" (1/3) ... [2020-12-22 11:15:07,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340776a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:15:07, skipping insertion in model container [2020-12-22 11:15:07,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:15:06" (2/3) ... [2020-12-22 11:15:07,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340776a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:15:07, skipping insertion in model container [2020-12-22 11:15:07,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:15:07" (3/3) ... [2020-12-22 11:15:07,635 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-1.i [2020-12-22 11:15:07,648 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-22 11:15:07,648 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:15:07,657 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 11:15:07,660 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-22 11:15:07,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,753 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:07,773 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:15:07,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-22 11:15:07,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:15:07,823 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:15:07,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:15:07,824 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:15:07,824 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:15:07,824 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:15:07,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:15:07,824 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:15:07,838 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:15:07,841 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 122 flow [2020-12-22 11:15:07,845 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 122 flow [2020-12-22 11:15:07,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 122 flow [2020-12-22 11:15:07,896 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2020-12-22 11:15:07,896 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-22 11:15:07,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 108 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2020-12-22 11:15:07,915 INFO L116 LiptonReduction]: Number of co-enabled transitions 742 [2020-12-22 11:15:09,953 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-22 11:15:10,193 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-22 11:15:10,568 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:10,697 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:10,990 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:11,115 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:11,126 INFO L131 LiptonReduction]: Checked pairs total: 666 [2020-12-22 11:15:11,126 INFO L133 LiptonReduction]: Total number of compositions: 52 [2020-12-22 11:15:11,133 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-12-22 11:15:11,144 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-12-22 11:15:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-22 11:15:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:15:11,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:11,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:15:11,153 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:11,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 223791, now seen corresponding path program 1 times [2020-12-22 11:15:11,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:11,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811780407] [2020-12-22 11:15:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:11,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811780407] [2020-12-22 11:15:11,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:11,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:15:11,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543121980] [2020-12-22 11:15:11,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:15:11,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:11,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:15:11,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:15:11,420 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-12-22 11:15:11,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:11,454 INFO L93 Difference]: Finished difference Result 40 states and 63 transitions. [2020-12-22 11:15:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:15:11,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:15:11,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:11,465 INFO L225 Difference]: With dead ends: 40 [2020-12-22 11:15:11,466 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 11:15:11,467 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 [2020-12-22 11:15:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 11:15:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-12-22 11:15:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 11:15:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-12-22 11:15:11,503 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-12-22 11:15:11,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:11,504 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-12-22 11:15:11,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:15:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-12-22 11:15:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 11:15:11,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:11,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:11,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:15:11,506 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:11,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:11,506 INFO L82 PathProgramCache]: Analyzing trace with hash 502714565, now seen corresponding path program 1 times [2020-12-22 11:15:11,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:11,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819322747] [2020-12-22 11:15:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:11,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819322747] [2020-12-22 11:15:11,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:11,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:15:11,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440876455] [2020-12-22 11:15:11,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:15:11,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:11,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:15:11,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:15:11,657 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-12-22 11:15:11,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:11,671 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-12-22 11:15:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:15:11,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-22 11:15:11,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:11,673 INFO L225 Difference]: With dead ends: 26 [2020-12-22 11:15:11,673 INFO L226 Difference]: Without dead ends: 24 [2020-12-22 11:15:11,674 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 [2020-12-22 11:15:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-22 11:15:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-22 11:15:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-22 11:15:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-12-22 11:15:11,679 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-12-22 11:15:11,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:11,679 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-12-22 11:15:11,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:15:11,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-22 11:15:11,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 11:15:11,680 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:11,680 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:11,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 11:15:11,681 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:11,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:11,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1595735755, now seen corresponding path program 1 times [2020-12-22 11:15:11,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:11,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582623987] [2020-12-22 11:15:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:11,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:11,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:11,757 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:15:11,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:15:11,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 11:15:11,759 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:15:11,759 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-22 11:15:11,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,777 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,777 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,777 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,778 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,778 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,778 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:11,815 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:15:11,815 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-22 11:15:11,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:15:11,820 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:15:11,820 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:15:11,820 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:15:11,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:15:11,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:15:11,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:15:11,821 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:15:11,825 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:15:11,825 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 75 transitions, 174 flow [2020-12-22 11:15:11,826 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 75 transitions, 174 flow [2020-12-22 11:15:11,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 75 transitions, 174 flow [2020-12-22 11:15:11,873 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2020-12-22 11:15:11,873 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-22 11:15:11,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2020-12-22 11:15:11,880 INFO L116 LiptonReduction]: Number of co-enabled transitions 1172 [2020-12-22 11:15:13,879 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:14,093 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:14,687 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:14,815 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:15,095 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:15,233 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:15,238 INFO L131 LiptonReduction]: Checked pairs total: 1422 [2020-12-22 11:15:15,238 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-12-22 11:15:15,239 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2020-12-22 11:15:15,253 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-12-22 11:15:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-12-22 11:15:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:15:15,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:15,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:15:15,254 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:15,255 INFO L82 PathProgramCache]: Analyzing trace with hash 381239, now seen corresponding path program 1 times [2020-12-22 11:15:15,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:15,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720331356] [2020-12-22 11:15:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720331356] [2020-12-22 11:15:15,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:15,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:15:15,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230088024] [2020-12-22 11:15:15,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:15:15,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:15,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:15:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:15:15,300 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-12-22 11:15:15,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:15,330 INFO L93 Difference]: Finished difference Result 220 states and 513 transitions. [2020-12-22 11:15:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:15:15,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:15:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:15,336 INFO L225 Difference]: With dead ends: 220 [2020-12-22 11:15:15,337 INFO L226 Difference]: Without dead ends: 200 [2020-12-22 11:15:15,337 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 [2020-12-22 11:15:15,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-22 11:15:15,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 171. [2020-12-22 11:15:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-12-22 11:15:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2020-12-22 11:15:15,367 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2020-12-22 11:15:15,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:15,367 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2020-12-22 11:15:15,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:15:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2020-12-22 11:15:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:15:15,368 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:15,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:15,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 11:15:15,369 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:15,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:15,369 INFO L82 PathProgramCache]: Analyzing trace with hash 787945052, now seen corresponding path program 1 times [2020-12-22 11:15:15,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:15,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12228130] [2020-12-22 11:15:15,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:15,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12228130] [2020-12-22 11:15:15,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:15,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:15,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282733966] [2020-12-22 11:15:15,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:15,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:15,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:15,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:15,473 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2020-12-22 11:15:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:15,555 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2020-12-22 11:15:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:15,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:15:15,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:15,558 INFO L225 Difference]: With dead ends: 205 [2020-12-22 11:15:15,558 INFO L226 Difference]: Without dead ends: 201 [2020-12-22 11:15:15,559 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 [2020-12-22 11:15:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-12-22 11:15:15,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2020-12-22 11:15:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-22 11:15:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2020-12-22 11:15:15,583 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2020-12-22 11:15:15,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:15,583 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2020-12-22 11:15:15,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2020-12-22 11:15:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:15:15,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:15,585 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:15,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 11:15:15,585 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:15,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:15,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1520790423, now seen corresponding path program 1 times [2020-12-22 11:15:15,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:15,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124797224] [2020-12-22 11:15:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:15,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124797224] [2020-12-22 11:15:15,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:15,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:15,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480337422] [2020-12-22 11:15:15,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:15,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:15,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:15,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:15,639 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2020-12-22 11:15:15,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:15,703 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2020-12-22 11:15:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:15,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:15:15,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:15,706 INFO L225 Difference]: With dead ends: 189 [2020-12-22 11:15:15,706 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 11:15:15,707 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 [2020-12-22 11:15:15,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 11:15:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-12-22 11:15:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-22 11:15:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2020-12-22 11:15:15,723 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2020-12-22 11:15:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:15,724 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2020-12-22 11:15:15,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2020-12-22 11:15:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 11:15:15,726 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:15,726 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:15,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 11:15:15,727 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:15,727 INFO L82 PathProgramCache]: Analyzing trace with hash -103140850, now seen corresponding path program 1 times [2020-12-22 11:15:15,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:15,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911611272] [2020-12-22 11:15:15,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:15,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:15,762 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:15,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:15:15,771 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:15:15,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 11:15:15,773 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:15:15,774 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-22 11:15:15,796 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,797 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,798 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,800 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,816 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:15,843 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:15:15,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-22 11:15:15,844 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:15:15,844 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:15:15,844 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:15:15,844 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:15:15,844 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:15:15,845 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:15:15,845 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:15:15,845 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:15:15,848 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:15:15,848 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 94 transitions, 230 flow [2020-12-22 11:15:15,848 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 94 transitions, 230 flow [2020-12-22 11:15:15,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 94 transitions, 230 flow [2020-12-22 11:15:15,891 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2020-12-22 11:15:15,891 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-12-22 11:15:15,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 124. Up to 8 conditions per place. [2020-12-22 11:15:15,901 INFO L116 LiptonReduction]: Number of co-enabled transitions 1686 [2020-12-22 11:15:18,584 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:18,800 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:19,374 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:19,504 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:19,795 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:19,927 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:20,038 INFO L131 LiptonReduction]: Checked pairs total: 2522 [2020-12-22 11:15:20,039 INFO L133 LiptonReduction]: Total number of compositions: 88 [2020-12-22 11:15:20,039 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2020-12-22 11:15:20,095 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2020-12-22 11:15:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2020-12-22 11:15:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:15:20,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:20,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:15:20,096 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:20,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:20,097 INFO L82 PathProgramCache]: Analyzing trace with hash 576246, now seen corresponding path program 1 times [2020-12-22 11:15:20,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:20,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928907388] [2020-12-22 11:15:20,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:20,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928907388] [2020-12-22 11:15:20,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:20,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:15:20,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744397993] [2020-12-22 11:15:20,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:15:20,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:20,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:15:20,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:15:20,137 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2020-12-22 11:15:20,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:20,176 INFO L93 Difference]: Finished difference Result 744 states and 2211 transitions. [2020-12-22 11:15:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:15:20,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:15:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:20,184 INFO L225 Difference]: With dead ends: 744 [2020-12-22 11:15:20,184 INFO L226 Difference]: Without dead ends: 678 [2020-12-22 11:15:20,185 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 [2020-12-22 11:15:20,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-12-22 11:15:20,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 559. [2020-12-22 11:15:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-12-22 11:15:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2020-12-22 11:15:20,238 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2020-12-22 11:15:20,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:20,238 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2020-12-22 11:15:20,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:15:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2020-12-22 11:15:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:15:20,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:20,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:20,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 11:15:20,245 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:20,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:20,245 INFO L82 PathProgramCache]: Analyzing trace with hash 260447350, now seen corresponding path program 1 times [2020-12-22 11:15:20,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:20,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799288809] [2020-12-22 11:15:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:20,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799288809] [2020-12-22 11:15:20,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:20,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:20,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676273386] [2020-12-22 11:15:20,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:20,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:20,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:20,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:20,321 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2020-12-22 11:15:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:20,405 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2020-12-22 11:15:20,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:20,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:15:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:20,414 INFO L225 Difference]: With dead ends: 817 [2020-12-22 11:15:20,414 INFO L226 Difference]: Without dead ends: 812 [2020-12-22 11:15:20,415 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 [2020-12-22 11:15:20,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-12-22 11:15:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2020-12-22 11:15:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-12-22 11:15:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2020-12-22 11:15:20,449 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2020-12-22 11:15:20,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:20,449 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2020-12-22 11:15:20,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2020-12-22 11:15:20,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:15:20,450 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:20,450 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:20,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 11:15:20,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:20,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:20,451 INFO L82 PathProgramCache]: Analyzing trace with hash 801743293, now seen corresponding path program 1 times [2020-12-22 11:15:20,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:20,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456145695] [2020-12-22 11:15:20,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:20,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456145695] [2020-12-22 11:15:20,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:20,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:20,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698182680] [2020-12-22 11:15:20,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:20,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:20,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:20,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:20,508 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2020-12-22 11:15:20,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:20,587 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2020-12-22 11:15:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:20,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:15:20,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:20,594 INFO L225 Difference]: With dead ends: 843 [2020-12-22 11:15:20,595 INFO L226 Difference]: Without dead ends: 836 [2020-12-22 11:15:20,595 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 [2020-12-22 11:15:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-22 11:15:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2020-12-22 11:15:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-12-22 11:15:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2020-12-22 11:15:20,626 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2020-12-22 11:15:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:20,626 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2020-12-22 11:15:20,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2020-12-22 11:15:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:20,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:20,628 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:20,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 11:15:20,629 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:20,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2009511410, now seen corresponding path program 1 times [2020-12-22 11:15:20,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:20,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239675951] [2020-12-22 11:15:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:20,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239675951] [2020-12-22 11:15:20,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703539306] [2020-12-22 11:15:20,688 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 [2020-12-22 11:15:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:20,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:15:20,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:20,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:20,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:15:20,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125728286] [2020-12-22 11:15:20,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:20,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:20,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:20,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:20,865 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 9 states. [2020-12-22 11:15:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:21,165 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2020-12-22 11:15:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:21,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-22 11:15:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:21,174 INFO L225 Difference]: With dead ends: 1059 [2020-12-22 11:15:21,174 INFO L226 Difference]: Without dead ends: 1052 [2020-12-22 11:15:21,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:15:21,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-22 11:15:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2020-12-22 11:15:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-12-22 11:15:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2020-12-22 11:15:21,217 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2020-12-22 11:15:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:21,218 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2020-12-22 11:15:21,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2020-12-22 11:15:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:21,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:21,219 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:21,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 11:15:21,435 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:21,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:21,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1676141774, now seen corresponding path program 2 times [2020-12-22 11:15:21,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:21,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116903635] [2020-12-22 11:15:21,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:21,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116903635] [2020-12-22 11:15:21,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:21,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:21,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753241713] [2020-12-22 11:15:21,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:21,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:21,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:21,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:21,523 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2020-12-22 11:15:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:21,747 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2020-12-22 11:15:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:21,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:15:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:21,756 INFO L225 Difference]: With dead ends: 1053 [2020-12-22 11:15:21,756 INFO L226 Difference]: Without dead ends: 1045 [2020-12-22 11:15:21,757 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 [2020-12-22 11:15:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-12-22 11:15:21,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2020-12-22 11:15:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-22 11:15:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2020-12-22 11:15:21,789 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2020-12-22 11:15:21,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:21,789 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2020-12-22 11:15:21,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2020-12-22 11:15:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:15:21,791 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:21,791 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:21,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 11:15:21,791 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:21,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:21,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2005143773, now seen corresponding path program 1 times [2020-12-22 11:15:21,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:21,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842652417] [2020-12-22 11:15:21,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:21,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842652417] [2020-12-22 11:15:21,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:21,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:21,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989171724] [2020-12-22 11:15:21,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:21,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:21,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:21,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:21,839 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2020-12-22 11:15:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:21,914 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2020-12-22 11:15:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:21,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:15:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:21,921 INFO L225 Difference]: With dead ends: 736 [2020-12-22 11:15:21,921 INFO L226 Difference]: Without dead ends: 728 [2020-12-22 11:15:21,922 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 [2020-12-22 11:15:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-12-22 11:15:21,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2020-12-22 11:15:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-12-22 11:15:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2020-12-22 11:15:21,948 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2020-12-22 11:15:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:21,948 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2020-12-22 11:15:21,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2020-12-22 11:15:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 11:15:21,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:21,949 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:21,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 11:15:21,950 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:21,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash -2034044022, now seen corresponding path program 1 times [2020-12-22 11:15:21,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:21,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714468831] [2020-12-22 11:15:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:21,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:21,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:21,982 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:15:21,983 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:15:21,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 11:15:21,983 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:15:21,984 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-22 11:15:22,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,005 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,006 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,007 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,008 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,011 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,027 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,027 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,027 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,031 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,035 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,039 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:22,041 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:15:22,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-22 11:15:22,043 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:15:22,043 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:15:22,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:15:22,043 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:15:22,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:15:22,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:15:22,043 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:15:22,043 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:15:22,045 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:15:22,045 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 113 transitions, 290 flow [2020-12-22 11:15:22,046 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 113 transitions, 290 flow [2020-12-22 11:15:22,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 113 transitions, 290 flow [2020-12-22 11:15:22,069 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2020-12-22 11:15:22,069 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-12-22 11:15:22,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 218 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 152. Up to 10 conditions per place. [2020-12-22 11:15:22,076 INFO L116 LiptonReduction]: Number of co-enabled transitions 2284 [2020-12-22 11:15:25,809 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:25,933 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:26,216 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:26,338 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:26,374 INFO L131 LiptonReduction]: Checked pairs total: 3055 [2020-12-22 11:15:26,374 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-12-22 11:15:26,375 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2020-12-22 11:15:26,505 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2020-12-22 11:15:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2020-12-22 11:15:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:15:26,506 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:26,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:15:26,506 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:26,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:26,507 INFO L82 PathProgramCache]: Analyzing trace with hash 813906, now seen corresponding path program 1 times [2020-12-22 11:15:26,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:26,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300227256] [2020-12-22 11:15:26,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:26,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300227256] [2020-12-22 11:15:26,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:26,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:15:26,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568304481] [2020-12-22 11:15:26,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:15:26,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:26,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:15:26,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:15:26,530 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2020-12-22 11:15:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:26,586 INFO L93 Difference]: Finished difference Result 2404 states and 8749 transitions. [2020-12-22 11:15:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:15:26,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:15:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:26,608 INFO L225 Difference]: With dead ends: 2404 [2020-12-22 11:15:26,608 INFO L226 Difference]: Without dead ends: 2192 [2020-12-22 11:15:26,609 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 [2020-12-22 11:15:26,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2020-12-22 11:15:26,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 1767. [2020-12-22 11:15:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-12-22 11:15:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2020-12-22 11:15:26,733 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2020-12-22 11:15:26,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:26,734 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2020-12-22 11:15:26,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:15:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2020-12-22 11:15:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:15:26,734 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:26,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:26,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 11:15:26,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:26,735 INFO L82 PathProgramCache]: Analyzing trace with hash -673175145, now seen corresponding path program 1 times [2020-12-22 11:15:26,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:26,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345467795] [2020-12-22 11:15:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:26,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345467795] [2020-12-22 11:15:26,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:26,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:26,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758249475] [2020-12-22 11:15:26,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:26,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:26,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:26,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:26,781 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2020-12-22 11:15:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:26,885 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2020-12-22 11:15:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:26,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:15:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:26,913 INFO L225 Difference]: With dead ends: 2905 [2020-12-22 11:15:26,913 INFO L226 Difference]: Without dead ends: 2899 [2020-12-22 11:15:26,914 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 [2020-12-22 11:15:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2020-12-22 11:15:27,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2020-12-22 11:15:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-12-22 11:15:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2020-12-22 11:15:27,082 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2020-12-22 11:15:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:27,082 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2020-12-22 11:15:27,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2020-12-22 11:15:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:15:27,083 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:27,083 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:27,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 11:15:27,083 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:27,084 INFO L82 PathProgramCache]: Analyzing trace with hash 174066754, now seen corresponding path program 1 times [2020-12-22 11:15:27,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:27,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122357941] [2020-12-22 11:15:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:27,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122357941] [2020-12-22 11:15:27,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:27,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:27,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745377582] [2020-12-22 11:15:27,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:27,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:27,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:27,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:27,123 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2020-12-22 11:15:27,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:27,220 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2020-12-22 11:15:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:27,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:15:27,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:27,250 INFO L225 Difference]: With dead ends: 3204 [2020-12-22 11:15:27,250 INFO L226 Difference]: Without dead ends: 3194 [2020-12-22 11:15:27,251 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 [2020-12-22 11:15:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-12-22 11:15:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2020-12-22 11:15:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-12-22 11:15:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2020-12-22 11:15:27,383 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2020-12-22 11:15:27,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:27,383 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2020-12-22 11:15:27,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2020-12-22 11:15:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:27,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:27,384 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:27,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 11:15:27,385 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:27,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1012094321, now seen corresponding path program 1 times [2020-12-22 11:15:27,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:27,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477746377] [2020-12-22 11:15:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:27,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477746377] [2020-12-22 11:15:27,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71240484] [2020-12-22 11:15:27,438 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 [2020-12-22 11:15:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:27,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:15:27,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:27,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:27,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:15:27,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277692713] [2020-12-22 11:15:27,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:27,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:27,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:27,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:27,592 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 9 states. [2020-12-22 11:15:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:27,834 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2020-12-22 11:15:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:27,835 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-22 11:15:27,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:27,864 INFO L225 Difference]: With dead ends: 4556 [2020-12-22 11:15:27,864 INFO L226 Difference]: Without dead ends: 4546 [2020-12-22 11:15:27,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:15:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2020-12-22 11:15:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2020-12-22 11:15:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-12-22 11:15:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2020-12-22 11:15:28,067 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2020-12-22 11:15:28,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:28,067 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2020-12-22 11:15:28,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:28,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2020-12-22 11:15:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:28,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:28,068 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:28,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-22 11:15:28,282 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:28,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:28,283 INFO L82 PathProgramCache]: Analyzing trace with hash -225580459, now seen corresponding path program 2 times [2020-12-22 11:15:28,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:28,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538824173] [2020-12-22 11:15:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:28,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538824173] [2020-12-22 11:15:28,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:28,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:28,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884649408] [2020-12-22 11:15:28,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:28,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:28,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:28,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:28,343 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2020-12-22 11:15:28,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:28,617 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2020-12-22 11:15:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:28,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:15:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:28,642 INFO L225 Difference]: With dead ends: 4612 [2020-12-22 11:15:28,642 INFO L226 Difference]: Without dead ends: 4601 [2020-12-22 11:15:28,642 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 [2020-12-22 11:15:28,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-12-22 11:15:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2020-12-22 11:15:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-12-22 11:15:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2020-12-22 11:15:28,785 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2020-12-22 11:15:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:28,785 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2020-12-22 11:15:28,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2020-12-22 11:15:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:15:28,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:28,787 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:28,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 11:15:28,787 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:28,788 INFO L82 PathProgramCache]: Analyzing trace with hash 2145585318, now seen corresponding path program 1 times [2020-12-22 11:15:28,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:28,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453517708] [2020-12-22 11:15:28,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:28,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453517708] [2020-12-22 11:15:28,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:28,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:28,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130993350] [2020-12-22 11:15:28,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:28,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:28,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:28,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:28,828 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2020-12-22 11:15:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:28,925 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2020-12-22 11:15:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:28,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:15:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:28,940 INFO L225 Difference]: With dead ends: 3265 [2020-12-22 11:15:28,940 INFO L226 Difference]: Without dead ends: 3250 [2020-12-22 11:15:28,941 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 [2020-12-22 11:15:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-12-22 11:15:29,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2020-12-22 11:15:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2020-12-22 11:15:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2020-12-22 11:15:29,048 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2020-12-22 11:15:29,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:29,049 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2020-12-22 11:15:29,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2020-12-22 11:15:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:29,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:29,050 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:29,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 11:15:29,051 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1777186931, now seen corresponding path program 1 times [2020-12-22 11:15:29,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:29,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18979544] [2020-12-22 11:15:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:29,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18979544] [2020-12-22 11:15:29,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930274580] [2020-12-22 11:15:29,105 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 [2020-12-22 11:15:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:29,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:15:29,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:29,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:29,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:15:29,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355217511] [2020-12-22 11:15:29,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:29,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:29,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:29,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:29,249 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 9 states. [2020-12-22 11:15:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:29,531 INFO L93 Difference]: Finished difference Result 4825 states and 15986 transitions. [2020-12-22 11:15:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:29,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-22 11:15:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:29,551 INFO L225 Difference]: With dead ends: 4825 [2020-12-22 11:15:29,551 INFO L226 Difference]: Without dead ends: 4813 [2020-12-22 11:15:29,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:15:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-12-22 11:15:29,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 2305. [2020-12-22 11:15:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-12-22 11:15:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2020-12-22 11:15:29,681 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2020-12-22 11:15:29,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:29,681 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2020-12-22 11:15:29,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2020-12-22 11:15:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:29,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:29,683 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:29,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:15:29,897 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:29,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:29,898 INFO L82 PathProgramCache]: Analyzing trace with hash 322011480, now seen corresponding path program 1 times [2020-12-22 11:15:29,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:29,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123194824] [2020-12-22 11:15:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:29,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123194824] [2020-12-22 11:15:29,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:29,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:29,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144894642] [2020-12-22 11:15:29,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:29,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:29,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:29,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:29,955 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 7 states. [2020-12-22 11:15:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:30,198 INFO L93 Difference]: Finished difference Result 4942 states and 16410 transitions. [2020-12-22 11:15:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:30,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:30,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:30,219 INFO L225 Difference]: With dead ends: 4942 [2020-12-22 11:15:30,220 INFO L226 Difference]: Without dead ends: 4925 [2020-12-22 11:15:30,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:15:30,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2020-12-22 11:15:30,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 2299. [2020-12-22 11:15:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-12-22 11:15:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 8782 transitions. [2020-12-22 11:15:30,344 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 8782 transitions. Word has length 19 [2020-12-22 11:15:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:30,344 INFO L481 AbstractCegarLoop]: Abstraction has 2299 states and 8782 transitions. [2020-12-22 11:15:30,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 8782 transitions. [2020-12-22 11:15:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:30,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:30,346 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:30,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 11:15:30,346 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:30,347 INFO L82 PathProgramCache]: Analyzing trace with hash 323182009, now seen corresponding path program 2 times [2020-12-22 11:15:30,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:30,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141824462] [2020-12-22 11:15:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:30,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141824462] [2020-12-22 11:15:30,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:30,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:30,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636220855] [2020-12-22 11:15:30,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:30,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:30,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:30,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:30,400 INFO L87 Difference]: Start difference. First operand 2299 states and 8782 transitions. Second operand 7 states. [2020-12-22 11:15:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:30,630 INFO L93 Difference]: Finished difference Result 4934 states and 16393 transitions. [2020-12-22 11:15:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:30,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:30,652 INFO L225 Difference]: With dead ends: 4934 [2020-12-22 11:15:30,652 INFO L226 Difference]: Without dead ends: 4917 [2020-12-22 11:15:30,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:15:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2020-12-22 11:15:30,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 2216. [2020-12-22 11:15:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-12-22 11:15:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 8477 transitions. [2020-12-22 11:15:30,806 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 8477 transitions. Word has length 19 [2020-12-22 11:15:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:30,807 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 8477 transitions. [2020-12-22 11:15:30,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 8477 transitions. [2020-12-22 11:15:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:30,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:30,809 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:30,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 11:15:30,809 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:30,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:30,810 INFO L82 PathProgramCache]: Analyzing trace with hash 323172120, now seen corresponding path program 2 times [2020-12-22 11:15:30,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:30,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244870208] [2020-12-22 11:15:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:30,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244870208] [2020-12-22 11:15:30,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:30,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:30,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113215624] [2020-12-22 11:15:30,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:30,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:30,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:30,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:30,871 INFO L87 Difference]: Start difference. First operand 2216 states and 8477 transitions. Second operand 7 states. [2020-12-22 11:15:31,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:31,107 INFO L93 Difference]: Finished difference Result 4774 states and 15828 transitions. [2020-12-22 11:15:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:31,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:31,127 INFO L225 Difference]: With dead ends: 4774 [2020-12-22 11:15:31,128 INFO L226 Difference]: Without dead ends: 4757 [2020-12-22 11:15:31,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:15:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2020-12-22 11:15:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 2150. [2020-12-22 11:15:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-12-22 11:15:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8243 transitions. [2020-12-22 11:15:31,245 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8243 transitions. Word has length 19 [2020-12-22 11:15:31,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:31,245 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 8243 transitions. [2020-12-22 11:15:31,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8243 transitions. [2020-12-22 11:15:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:31,248 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:31,248 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:31,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 11:15:31,248 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:31,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:31,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1521520155, now seen corresponding path program 1 times [2020-12-22 11:15:31,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:31,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539991150] [2020-12-22 11:15:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:31,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539991150] [2020-12-22 11:15:31,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228396208] [2020-12-22 11:15:31,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:15:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:31,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:15:31,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:31,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:31,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:15:31,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237962613] [2020-12-22 11:15:31,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:15:31,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:31,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:15:31,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:15:31,507 INFO L87 Difference]: Start difference. First operand 2150 states and 8243 transitions. Second operand 11 states. [2020-12-22 11:15:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:32,135 INFO L93 Difference]: Finished difference Result 6025 states and 18746 transitions. [2020-12-22 11:15:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:32,136 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-22 11:15:32,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:32,161 INFO L225 Difference]: With dead ends: 6025 [2020-12-22 11:15:32,161 INFO L226 Difference]: Without dead ends: 6017 [2020-12-22 11:15:32,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:15:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2020-12-22 11:15:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 2117. [2020-12-22 11:15:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2020-12-22 11:15:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 8106 transitions. [2020-12-22 11:15:32,292 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 8106 transitions. Word has length 21 [2020-12-22 11:15:32,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:32,292 INFO L481 AbstractCegarLoop]: Abstraction has 2117 states and 8106 transitions. [2020-12-22 11:15:32,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:15:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 8106 transitions. [2020-12-22 11:15:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:32,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:32,295 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:32,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:15:32,508 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1520359515, now seen corresponding path program 2 times [2020-12-22 11:15:32,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:32,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146765365] [2020-12-22 11:15:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:32,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146765365] [2020-12-22 11:15:32,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143031313] [2020-12-22 11:15:32,581 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 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 [2020-12-22 11:15:32,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:15:32,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:15:32,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:15:32,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 11:15:32,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:32,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:15:32,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845844509] [2020-12-22 11:15:32,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:15:32,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:15:32,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:15:32,737 INFO L87 Difference]: Start difference. First operand 2117 states and 8106 transitions. Second operand 11 states. [2020-12-22 11:15:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:33,464 INFO L93 Difference]: Finished difference Result 5914 states and 18384 transitions. [2020-12-22 11:15:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:33,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-22 11:15:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:33,484 INFO L225 Difference]: With dead ends: 5914 [2020-12-22 11:15:33,484 INFO L226 Difference]: Without dead ends: 5903 [2020-12-22 11:15:33,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:15:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2020-12-22 11:15:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 2085. [2020-12-22 11:15:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-12-22 11:15:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2020-12-22 11:15:33,663 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2020-12-22 11:15:33,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:33,664 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2020-12-22 11:15:33,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:15:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2020-12-22 11:15:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:33,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:33,669 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:33,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-22 11:15:33,884 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:33,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:33,885 INFO L82 PathProgramCache]: Analyzing trace with hash 108855779, now seen corresponding path program 1 times [2020-12-22 11:15:33,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:33,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627010912] [2020-12-22 11:15:33,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:15:33,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627010912] [2020-12-22 11:15:33,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:33,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:33,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052884755] [2020-12-22 11:15:33,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:33,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:33,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:33,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:33,936 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 5 states. [2020-12-22 11:15:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:34,049 INFO L93 Difference]: Finished difference Result 3167 states and 11408 transitions. [2020-12-22 11:15:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:34,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-22 11:15:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:34,064 INFO L225 Difference]: With dead ends: 3167 [2020-12-22 11:15:34,064 INFO L226 Difference]: Without dead ends: 3151 [2020-12-22 11:15:34,065 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 [2020-12-22 11:15:34,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2020-12-22 11:15:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2322. [2020-12-22 11:15:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-12-22 11:15:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 8744 transitions. [2020-12-22 11:15:34,181 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 8744 transitions. Word has length 21 [2020-12-22 11:15:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:34,181 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 8744 transitions. [2020-12-22 11:15:34,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 8744 transitions. [2020-12-22 11:15:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:34,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:34,184 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:34,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 11:15:34,184 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:34,185 INFO L82 PathProgramCache]: Analyzing trace with hash 223713259, now seen corresponding path program 3 times [2020-12-22 11:15:34,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:34,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124614218] [2020-12-22 11:15:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:34,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124614218] [2020-12-22 11:15:34,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:34,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:15:34,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584798087] [2020-12-22 11:15:34,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:34,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:34,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:34,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:34,274 INFO L87 Difference]: Start difference. First operand 2322 states and 8744 transitions. Second operand 9 states. [2020-12-22 11:15:34,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:34,906 INFO L93 Difference]: Finished difference Result 6243 states and 19533 transitions. [2020-12-22 11:15:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:34,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:15:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:34,919 INFO L225 Difference]: With dead ends: 6243 [2020-12-22 11:15:34,919 INFO L226 Difference]: Without dead ends: 6232 [2020-12-22 11:15:34,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:15:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2020-12-22 11:15:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 2227. [2020-12-22 11:15:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2020-12-22 11:15:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 8390 transitions. [2020-12-22 11:15:35,047 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 8390 transitions. Word has length 21 [2020-12-22 11:15:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:35,047 INFO L481 AbstractCegarLoop]: Abstraction has 2227 states and 8390 transitions. [2020-12-22 11:15:35,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 8390 transitions. [2020-12-22 11:15:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:35,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:35,049 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:35,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-22 11:15:35,050 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:35,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:35,050 INFO L82 PathProgramCache]: Analyzing trace with hash 215380459, now seen corresponding path program 4 times [2020-12-22 11:15:35,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:35,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672955948] [2020-12-22 11:15:35,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:35,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672955948] [2020-12-22 11:15:35,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:35,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:15:35,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005077587] [2020-12-22 11:15:35,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:35,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:35,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:35,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:35,141 INFO L87 Difference]: Start difference. First operand 2227 states and 8390 transitions. Second operand 9 states. [2020-12-22 11:15:35,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:35,816 INFO L93 Difference]: Finished difference Result 6161 states and 19272 transitions. [2020-12-22 11:15:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:35,817 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:15:35,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:35,837 INFO L225 Difference]: With dead ends: 6161 [2020-12-22 11:15:35,837 INFO L226 Difference]: Without dead ends: 6147 [2020-12-22 11:15:35,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:15:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2020-12-22 11:15:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 2183. [2020-12-22 11:15:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-12-22 11:15:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 8210 transitions. [2020-12-22 11:15:35,964 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 8210 transitions. Word has length 21 [2020-12-22 11:15:35,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:35,965 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 8210 transitions. [2020-12-22 11:15:35,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 8210 transitions. [2020-12-22 11:15:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:35,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:35,967 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:35,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-22 11:15:35,967 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:35,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:35,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1340248939, now seen corresponding path program 5 times [2020-12-22 11:15:35,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:35,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653767969] [2020-12-22 11:15:35,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:36,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653767969] [2020-12-22 11:15:36,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:36,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:15:36,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987381474] [2020-12-22 11:15:36,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:36,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:36,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:36,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:36,050 INFO L87 Difference]: Start difference. First operand 2183 states and 8210 transitions. Second operand 9 states. [2020-12-22 11:15:36,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:36,645 INFO L93 Difference]: Finished difference Result 6150 states and 19247 transitions. [2020-12-22 11:15:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:36,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:15:36,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:36,664 INFO L225 Difference]: With dead ends: 6150 [2020-12-22 11:15:36,664 INFO L226 Difference]: Without dead ends: 6139 [2020-12-22 11:15:36,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:15:36,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2020-12-22 11:15:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 2096. [2020-12-22 11:15:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-12-22 11:15:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2020-12-22 11:15:36,796 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2020-12-22 11:15:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:36,797 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2020-12-22 11:15:36,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2020-12-22 11:15:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:36,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:36,799 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:36,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-22 11:15:36,799 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:36,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:36,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1330755499, now seen corresponding path program 6 times [2020-12-22 11:15:36,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:36,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894205340] [2020-12-22 11:15:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:36,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894205340] [2020-12-22 11:15:36,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:36,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:15:36,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467040871] [2020-12-22 11:15:36,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:36,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:36,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:36,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:36,913 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2020-12-22 11:15:37,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:37,494 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2020-12-22 11:15:37,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:37,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:15:37,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:37,505 INFO L225 Difference]: With dead ends: 6017 [2020-12-22 11:15:37,506 INFO L226 Difference]: Without dead ends: 6002 [2020-12-22 11:15:37,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:15:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-12-22 11:15:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2020-12-22 11:15:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-12-22 11:15:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2020-12-22 11:15:37,621 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2020-12-22 11:15:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:37,621 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2020-12-22 11:15:37,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2020-12-22 11:15:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 11:15:37,624 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:37,624 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:37,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-22 11:15:37,624 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:15:37,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:37,625 INFO L82 PathProgramCache]: Analyzing trace with hash -925668779, now seen corresponding path program 1 times [2020-12-22 11:15:37,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:37,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943482236] [2020-12-22 11:15:37,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:37,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:15:37,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:15:37,652 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:15:37,653 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:15:37,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-22 11:15:37,653 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:15:37,653 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,704 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,707 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,707 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,709 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,709 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,710 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:15:37,725 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:15:37,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-22 11:15:37,728 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:15:37,728 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:15:37,728 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:15:37,728 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:15:37,728 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:15:37,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:15:37,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:15:37,729 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:15:37,731 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:15:37,731 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 132 transitions, 354 flow [2020-12-22 11:15:37,732 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 132 transitions, 354 flow [2020-12-22 11:15:37,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 132 transitions, 354 flow [2020-12-22 11:15:37,778 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2020-12-22 11:15:37,779 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-12-22 11:15:37,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 181. Up to 12 conditions per place. [2020-12-22 11:15:37,788 INFO L116 LiptonReduction]: Number of co-enabled transitions 2966 [2020-12-22 11:15:41,168 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:41,391 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-22 11:15:42,509 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:42,642 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:42,942 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-22 11:15:43,082 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:15:43,112 INFO L131 LiptonReduction]: Checked pairs total: 4004 [2020-12-22 11:15:43,112 INFO L133 LiptonReduction]: Total number of compositions: 125 [2020-12-22 11:15:43,113 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2020-12-22 11:15:43,561 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2020-12-22 11:15:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2020-12-22 11:15:43,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:15:43,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:43,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:15:43,562 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:43,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:43,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1085411, now seen corresponding path program 1 times [2020-12-22 11:15:43,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:43,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531078204] [2020-12-22 11:15:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:43,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531078204] [2020-12-22 11:15:43,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:43,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:15:43,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430615961] [2020-12-22 11:15:43,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:15:43,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:43,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:15:43,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:15:43,581 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2020-12-22 11:15:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:43,669 INFO L93 Difference]: Finished difference Result 7560 states and 32651 transitions. [2020-12-22 11:15:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:15:43,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:15:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:43,700 INFO L225 Difference]: With dead ends: 7560 [2020-12-22 11:15:43,700 INFO L226 Difference]: Without dead ends: 6894 [2020-12-22 11:15:43,700 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 [2020-12-22 11:15:43,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2020-12-22 11:15:43,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5479. [2020-12-22 11:15:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-12-22 11:15:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2020-12-22 11:15:44,018 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2020-12-22 11:15:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:44,018 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2020-12-22 11:15:44,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:15:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2020-12-22 11:15:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:15:44,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:44,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:44,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-22 11:15:44,019 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1034074382, now seen corresponding path program 1 times [2020-12-22 11:15:44,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:44,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662467092] [2020-12-22 11:15:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:15:44,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662467092] [2020-12-22 11:15:44,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:44,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:44,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554611355] [2020-12-22 11:15:44,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:44,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:44,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:44,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:44,051 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2020-12-22 11:15:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:44,191 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2020-12-22 11:15:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:44,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:15:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:44,224 INFO L225 Difference]: With dead ends: 9673 [2020-12-22 11:15:44,224 INFO L226 Difference]: Without dead ends: 9666 [2020-12-22 11:15:44,225 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 [2020-12-22 11:15:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2020-12-22 11:15:44,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2020-12-22 11:15:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2020-12-22 11:15:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2020-12-22 11:15:44,738 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2020-12-22 11:15:44,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:44,738 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2020-12-22 11:15:44,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2020-12-22 11:15:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:15:44,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:44,739 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:44,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-22 11:15:44,739 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:44,740 INFO L82 PathProgramCache]: Analyzing trace with hash -906715692, now seen corresponding path program 1 times [2020-12-22 11:15:44,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:44,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470322400] [2020-12-22 11:15:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:44,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470322400] [2020-12-22 11:15:44,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:44,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:44,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14010199] [2020-12-22 11:15:44,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:44,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:44,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:44,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:44,804 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2020-12-22 11:15:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:44,962 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2020-12-22 11:15:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:44,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:15:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:44,997 INFO L225 Difference]: With dead ends: 11081 [2020-12-22 11:15:44,997 INFO L226 Difference]: Without dead ends: 11068 [2020-12-22 11:15:44,997 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 [2020-12-22 11:15:45,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2020-12-22 11:15:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2020-12-22 11:15:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-12-22 11:15:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2020-12-22 11:15:45,742 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2020-12-22 11:15:45,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:45,742 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2020-12-22 11:15:45,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2020-12-22 11:15:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:45,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:45,743 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:45,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-22 11:15:45,744 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:45,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:45,744 INFO L82 PathProgramCache]: Analyzing trace with hash 524589857, now seen corresponding path program 1 times [2020-12-22 11:15:45,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:45,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368053370] [2020-12-22 11:15:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:45,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368053370] [2020-12-22 11:15:45,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:45,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:45,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675680477] [2020-12-22 11:15:45,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:45,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:45,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:45,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:45,793 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 7 states. [2020-12-22 11:15:46,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:46,228 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2020-12-22 11:15:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:46,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:15:46,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:46,391 INFO L225 Difference]: With dead ends: 16749 [2020-12-22 11:15:46,392 INFO L226 Difference]: Without dead ends: 16736 [2020-12-22 11:15:46,392 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 [2020-12-22 11:15:46,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2020-12-22 11:15:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2020-12-22 11:15:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2020-12-22 11:15:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2020-12-22 11:15:46,863 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2020-12-22 11:15:46,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:46,863 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2020-12-22 11:15:46,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2020-12-22 11:15:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:15:46,864 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:46,864 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:46,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-22 11:15:46,865 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:46,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:46,865 INFO L82 PathProgramCache]: Analyzing trace with hash 505394657, now seen corresponding path program 2 times [2020-12-22 11:15:46,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:46,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270373190] [2020-12-22 11:15:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:46,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270373190] [2020-12-22 11:15:46,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:46,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:46,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709333848] [2020-12-22 11:15:46,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:46,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:46,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:46,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:46,935 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2020-12-22 11:15:47,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:47,397 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2020-12-22 11:15:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:47,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:15:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:47,456 INFO L225 Difference]: With dead ends: 17085 [2020-12-22 11:15:47,456 INFO L226 Difference]: Without dead ends: 17071 [2020-12-22 11:15:47,456 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 [2020-12-22 11:15:47,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2020-12-22 11:15:47,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2020-12-22 11:15:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2020-12-22 11:15:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2020-12-22 11:15:47,957 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2020-12-22 11:15:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:47,957 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2020-12-22 11:15:47,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2020-12-22 11:15:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:15:47,958 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:47,959 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:47,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-22 11:15:47,959 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:47,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:47,959 INFO L82 PathProgramCache]: Analyzing trace with hash 284508656, now seen corresponding path program 1 times [2020-12-22 11:15:47,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:47,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348754606] [2020-12-22 11:15:47,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:47,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348754606] [2020-12-22 11:15:47,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:47,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:47,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960296204] [2020-12-22 11:15:47,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:47,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:47,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:47,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:47,992 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2020-12-22 11:15:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:48,158 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2020-12-22 11:15:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:48,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:15:48,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:48,215 INFO L225 Difference]: With dead ends: 12234 [2020-12-22 11:15:48,215 INFO L226 Difference]: Without dead ends: 12212 [2020-12-22 11:15:48,216 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 [2020-12-22 11:15:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2020-12-22 11:15:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2020-12-22 11:15:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2020-12-22 11:15:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2020-12-22 11:15:48,703 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2020-12-22 11:15:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:48,703 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2020-12-22 11:15:48,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2020-12-22 11:15:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:48,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:48,705 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:48,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-22 11:15:48,705 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:48,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:48,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1810856700, now seen corresponding path program 1 times [2020-12-22 11:15:48,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:48,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964552701] [2020-12-22 11:15:48,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:48,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964552701] [2020-12-22 11:15:48,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903986224] [2020-12-22 11:15:48,756 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 [2020-12-22 11:15:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:49,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:15:49,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:49,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:49,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:15:49,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658541833] [2020-12-22 11:15:49,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:49,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:49,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:49,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:49,079 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 9 states. [2020-12-22 11:15:49,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:49,395 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2020-12-22 11:15:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:49,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-22 11:15:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:49,449 INFO L225 Difference]: With dead ends: 19016 [2020-12-22 11:15:49,449 INFO L226 Difference]: Without dead ends: 18998 [2020-12-22 11:15:49,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:15:49,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2020-12-22 11:15:49,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2020-12-22 11:15:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2020-12-22 11:15:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2020-12-22 11:15:50,078 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2020-12-22 11:15:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:50,078 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2020-12-22 11:15:50,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:15:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2020-12-22 11:15:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:50,079 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:50,080 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:50,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-12-22 11:15:50,282 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:50,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:50,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1465059752, now seen corresponding path program 2 times [2020-12-22 11:15:50,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:50,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062552703] [2020-12-22 11:15:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:50,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062552703] [2020-12-22 11:15:50,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:50,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:50,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641611125] [2020-12-22 11:15:50,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:50,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:50,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:50,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:50,331 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 7 states. [2020-12-22 11:15:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:50,690 INFO L93 Difference]: Finished difference Result 19420 states and 77854 transitions. [2020-12-22 11:15:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:50,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:50,774 INFO L225 Difference]: With dead ends: 19420 [2020-12-22 11:15:50,774 INFO L226 Difference]: Without dead ends: 19395 [2020-12-22 11:15:50,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:15:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2020-12-22 11:15:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 8129. [2020-12-22 11:15:51,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8129 states. [2020-12-22 11:15:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8129 states to 8129 states and 37298 transitions. [2020-12-22 11:15:51,696 INFO L78 Accepts]: Start accepts. Automaton has 8129 states and 37298 transitions. Word has length 19 [2020-12-22 11:15:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:51,696 INFO L481 AbstractCegarLoop]: Abstraction has 8129 states and 37298 transitions. [2020-12-22 11:15:51,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 8129 states and 37298 transitions. [2020-12-22 11:15:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:51,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:51,698 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:51,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-22 11:15:51,698 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:51,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:51,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1465079747, now seen corresponding path program 1 times [2020-12-22 11:15:51,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:51,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861184976] [2020-12-22 11:15:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:51,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861184976] [2020-12-22 11:15:51,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:51,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:51,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013058767] [2020-12-22 11:15:51,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:51,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:51,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:51,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:51,747 INFO L87 Difference]: Start difference. First operand 8129 states and 37298 transitions. Second operand 7 states. [2020-12-22 11:15:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:52,351 INFO L93 Difference]: Finished difference Result 19373 states and 77785 transitions. [2020-12-22 11:15:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:52,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:52,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:52,421 INFO L225 Difference]: With dead ends: 19373 [2020-12-22 11:15:52,422 INFO L226 Difference]: Without dead ends: 19348 [2020-12-22 11:15:52,422 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 [2020-12-22 11:15:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2020-12-22 11:15:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 8375. [2020-12-22 11:15:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8375 states. [2020-12-22 11:15:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 38394 transitions. [2020-12-22 11:15:52,983 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 38394 transitions. Word has length 19 [2020-12-22 11:15:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:52,983 INFO L481 AbstractCegarLoop]: Abstraction has 8375 states and 38394 transitions. [2020-12-22 11:15:52,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 38394 transitions. [2020-12-22 11:15:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:15:52,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:52,993 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:52,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-22 11:15:52,993 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:52,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:52,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1478025347, now seen corresponding path program 2 times [2020-12-22 11:15:52,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:52,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477882399] [2020-12-22 11:15:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:53,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477882399] [2020-12-22 11:15:53,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:53,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:15:53,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521389770] [2020-12-22 11:15:53,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:15:53,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:53,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:15:53,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:15:53,077 INFO L87 Difference]: Start difference. First operand 8375 states and 38394 transitions. Second operand 7 states. [2020-12-22 11:15:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:53,384 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2020-12-22 11:15:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:15:53,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:15:53,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:53,436 INFO L225 Difference]: With dead ends: 19555 [2020-12-22 11:15:53,437 INFO L226 Difference]: Without dead ends: 19530 [2020-12-22 11:15:53,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:15:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2020-12-22 11:15:53,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2020-12-22 11:15:53,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2020-12-22 11:15:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2020-12-22 11:15:53,970 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2020-12-22 11:15:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:53,970 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2020-12-22 11:15:53,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:15:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2020-12-22 11:15:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:53,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:53,972 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:53,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-22 11:15:53,972 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash -771525039, now seen corresponding path program 1 times [2020-12-22 11:15:53,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:53,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374263423] [2020-12-22 11:15:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:54,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374263423] [2020-12-22 11:15:54,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163432050] [2020-12-22 11:15:54,040 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 [2020-12-22 11:15:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:54,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:15:54,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:54,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:54,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:15:54,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16672935] [2020-12-22 11:15:54,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:15:54,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:54,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:15:54,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:15:54,194 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 11 states. [2020-12-22 11:15:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:55,201 INFO L93 Difference]: Finished difference Result 26969 states and 101544 transitions. [2020-12-22 11:15:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:55,202 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-22 11:15:55,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:55,282 INFO L225 Difference]: With dead ends: 26969 [2020-12-22 11:15:55,282 INFO L226 Difference]: Without dead ends: 26957 [2020-12-22 11:15:55,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:15:55,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states. [2020-12-22 11:15:55,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 8208. [2020-12-22 11:15:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2020-12-22 11:15:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 37640 transitions. [2020-12-22 11:15:55,968 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 37640 transitions. Word has length 21 [2020-12-22 11:15:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:55,968 INFO L481 AbstractCegarLoop]: Abstraction has 8208 states and 37640 transitions. [2020-12-22 11:15:55,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:15:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 37640 transitions. [2020-12-22 11:15:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:55,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:55,970 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:56,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:15:56,171 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:56,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:56,172 INFO L82 PathProgramCache]: Analyzing trace with hash -784470639, now seen corresponding path program 2 times [2020-12-22 11:15:56,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:56,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962834460] [2020-12-22 11:15:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:56,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962834460] [2020-12-22 11:15:56,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989672995] [2020-12-22 11:15:56,243 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 [2020-12-22 11:15:56,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:15:56,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:15:56,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:15:56,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:15:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:15:56,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:15:56,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:15:56,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802266816] [2020-12-22 11:15:56,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:15:56,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:15:56,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:15:56,418 INFO L87 Difference]: Start difference. First operand 8208 states and 37640 transitions. Second operand 11 states. [2020-12-22 11:15:57,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:57,526 INFO L93 Difference]: Finished difference Result 26669 states and 100297 transitions. [2020-12-22 11:15:57,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:15:57,527 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-22 11:15:57,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:57,618 INFO L225 Difference]: With dead ends: 26669 [2020-12-22 11:15:57,619 INFO L226 Difference]: Without dead ends: 26653 [2020-12-22 11:15:57,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:15:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2020-12-22 11:15:58,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 8091. [2020-12-22 11:15:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8091 states. [2020-12-22 11:15:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 37076 transitions. [2020-12-22 11:15:58,058 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 37076 transitions. Word has length 21 [2020-12-22 11:15:58,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:58,058 INFO L481 AbstractCegarLoop]: Abstraction has 8091 states and 37076 transitions. [2020-12-22 11:15:58,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:15:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 37076 transitions. [2020-12-22 11:15:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:58,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:58,059 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:58,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2020-12-22 11:15:58,266 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:58,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1189643317, now seen corresponding path program 1 times [2020-12-22 11:15:58,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:58,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772664514] [2020-12-22 11:15:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:15:58,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772664514] [2020-12-22 11:15:58,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:58,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:15:58,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822386938] [2020-12-22 11:15:58,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:15:58,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:58,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:15:58,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:15:58,300 INFO L87 Difference]: Start difference. First operand 8091 states and 37076 transitions. Second operand 5 states. [2020-12-22 11:15:58,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:15:58,632 INFO L93 Difference]: Finished difference Result 13786 states and 59914 transitions. [2020-12-22 11:15:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:15:58,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-22 11:15:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:15:58,673 INFO L225 Difference]: With dead ends: 13786 [2020-12-22 11:15:58,673 INFO L226 Difference]: Without dead ends: 13755 [2020-12-22 11:15:58,673 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 [2020-12-22 11:15:58,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13755 states. [2020-12-22 11:15:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13755 to 9719. [2020-12-22 11:15:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9719 states. [2020-12-22 11:15:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 44527 transitions. [2020-12-22 11:15:59,011 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 44527 transitions. Word has length 21 [2020-12-22 11:15:59,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:15:59,011 INFO L481 AbstractCegarLoop]: Abstraction has 9719 states and 44527 transitions. [2020-12-22 11:15:59,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:15:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 44527 transitions. [2020-12-22 11:15:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:15:59,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:15:59,013 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:15:59,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-22 11:15:59,013 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:15:59,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:15:59,013 INFO L82 PathProgramCache]: Analyzing trace with hash 826860197, now seen corresponding path program 3 times [2020-12-22 11:15:59,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:15:59,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577694789] [2020-12-22 11:15:59,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:15:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:15:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:15:59,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577694789] [2020-12-22 11:15:59,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:15:59,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:15:59,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933648315] [2020-12-22 11:15:59,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:15:59,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:15:59,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:15:59,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:15:59,082 INFO L87 Difference]: Start difference. First operand 9719 states and 44527 transitions. Second operand 9 states. [2020-12-22 11:16:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:00,045 INFO L93 Difference]: Finished difference Result 29965 states and 114553 transitions. [2020-12-22 11:16:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:00,046 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:16:00,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:00,146 INFO L225 Difference]: With dead ends: 29965 [2020-12-22 11:16:00,146 INFO L226 Difference]: Without dead ends: 29947 [2020-12-22 11:16:00,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:00,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29947 states. [2020-12-22 11:16:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29947 to 9428. [2020-12-22 11:16:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9428 states. [2020-12-22 11:16:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9428 states to 9428 states and 43190 transitions. [2020-12-22 11:16:00,883 INFO L78 Accepts]: Start accepts. Automaton has 9428 states and 43190 transitions. Word has length 21 [2020-12-22 11:16:00,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:00,883 INFO L481 AbstractCegarLoop]: Abstraction has 9428 states and 43190 transitions. [2020-12-22 11:16:00,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9428 states and 43190 transitions. [2020-12-22 11:16:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:16:00,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:00,885 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:00,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-22 11:16:00,885 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:00,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:00,886 INFO L82 PathProgramCache]: Analyzing trace with hash 807664997, now seen corresponding path program 4 times [2020-12-22 11:16:00,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:00,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346485742] [2020-12-22 11:16:00,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:16:00,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346485742] [2020-12-22 11:16:00,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:00,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:00,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774532806] [2020-12-22 11:16:00,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:00,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:00,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:00,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:00,948 INFO L87 Difference]: Start difference. First operand 9428 states and 43190 transitions. Second operand 9 states. [2020-12-22 11:16:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:01,955 INFO L93 Difference]: Finished difference Result 29747 states and 113663 transitions. [2020-12-22 11:16:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:01,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:16:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:02,078 INFO L225 Difference]: With dead ends: 29747 [2020-12-22 11:16:02,078 INFO L226 Difference]: Without dead ends: 29725 [2020-12-22 11:16:02,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29725 states. [2020-12-22 11:16:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29725 to 9263. [2020-12-22 11:16:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9263 states. [2020-12-22 11:16:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9263 states to 9263 states and 42388 transitions. [2020-12-22 11:16:02,821 INFO L78 Accepts]: Start accepts. Automaton has 9263 states and 42388 transitions. Word has length 21 [2020-12-22 11:16:02,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:02,821 INFO L481 AbstractCegarLoop]: Abstraction has 9263 states and 42388 transitions. [2020-12-22 11:16:02,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9263 states and 42388 transitions. [2020-12-22 11:16:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:16:02,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:02,824 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:02,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-22 11:16:02,824 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:02,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1258094885, now seen corresponding path program 5 times [2020-12-22 11:16:02,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:02,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850618817] [2020-12-22 11:16:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:16:02,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850618817] [2020-12-22 11:16:02,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:02,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:02,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756340828] [2020-12-22 11:16:02,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:02,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:02,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:02,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:02,881 INFO L87 Difference]: Start difference. First operand 9263 states and 42388 transitions. Second operand 9 states. [2020-12-22 11:16:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:03,661 INFO L93 Difference]: Finished difference Result 29796 states and 113861 transitions. [2020-12-22 11:16:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:03,661 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:16:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:03,742 INFO L225 Difference]: With dead ends: 29796 [2020-12-22 11:16:03,742 INFO L226 Difference]: Without dead ends: 29778 [2020-12-22 11:16:03,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:04,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29778 states. [2020-12-22 11:16:04,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29778 to 8964. [2020-12-22 11:16:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8964 states. [2020-12-22 11:16:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8964 states to 8964 states and 41031 transitions. [2020-12-22 11:16:04,582 INFO L78 Accepts]: Start accepts. Automaton has 8964 states and 41031 transitions. Word has length 21 [2020-12-22 11:16:04,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:04,582 INFO L481 AbstractCegarLoop]: Abstraction has 8964 states and 41031 transitions. [2020-12-22 11:16:04,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8964 states and 41031 transitions. [2020-12-22 11:16:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:16:04,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:04,585 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:04,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-22 11:16:04,585 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1251845285, now seen corresponding path program 6 times [2020-12-22 11:16:04,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:04,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962544547] [2020-12-22 11:16:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:16:04,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962544547] [2020-12-22 11:16:04,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:04,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:04,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166525194] [2020-12-22 11:16:04,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:04,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:04,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:04,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:04,663 INFO L87 Difference]: Start difference. First operand 8964 states and 41031 transitions. Second operand 9 states. [2020-12-22 11:16:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:05,706 INFO L93 Difference]: Finished difference Result 29379 states and 112099 transitions. [2020-12-22 11:16:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:05,706 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:16:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:05,827 INFO L225 Difference]: With dead ends: 29379 [2020-12-22 11:16:05,827 INFO L226 Difference]: Without dead ends: 29356 [2020-12-22 11:16:05,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29356 states. [2020-12-22 11:16:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29356 to 8573. [2020-12-22 11:16:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2020-12-22 11:16:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2020-12-22 11:16:06,641 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2020-12-22 11:16:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:06,641 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2020-12-22 11:16:06,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2020-12-22 11:16:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:06,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:06,651 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:06,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-22 11:16:06,653 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:06,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:06,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1526682601, now seen corresponding path program 1 times [2020-12-22 11:16:06,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:06,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301970457] [2020-12-22 11:16:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:06,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301970457] [2020-12-22 11:16:06,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398873829] [2020-12-22 11:16:06,703 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 [2020-12-22 11:16:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:06,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:16:06,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:16:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:06,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:16:06,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 11:16:06,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266562968] [2020-12-22 11:16:06,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:06,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:06,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:06,871 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 9 states. [2020-12-22 11:16:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:07,223 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2020-12-22 11:16:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:07,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-22 11:16:07,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:07,282 INFO L225 Difference]: With dead ends: 19727 [2020-12-22 11:16:07,282 INFO L226 Difference]: Without dead ends: 19703 [2020-12-22 11:16:07,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:16:07,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2020-12-22 11:16:07,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2020-12-22 11:16:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2020-12-22 11:16:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2020-12-22 11:16:07,925 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2020-12-22 11:16:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:07,925 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2020-12-22 11:16:07,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2020-12-22 11:16:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:07,929 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:07,929 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:08,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-12-22 11:16:08,136 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:08,137 INFO L82 PathProgramCache]: Analyzing trace with hash 785955677, now seen corresponding path program 2 times [2020-12-22 11:16:08,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:08,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031498425] [2020-12-22 11:16:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:08,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031498425] [2020-12-22 11:16:08,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:08,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:16:08,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682965644] [2020-12-22 11:16:08,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:16:08,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:08,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:16:08,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:16:08,186 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 7 states. [2020-12-22 11:16:08,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:08,493 INFO L93 Difference]: Finished difference Result 20209 states and 82213 transitions. [2020-12-22 11:16:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:08,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:16:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:08,550 INFO L225 Difference]: With dead ends: 20209 [2020-12-22 11:16:08,550 INFO L226 Difference]: Without dead ends: 20172 [2020-12-22 11:16:08,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:16:08,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20172 states. [2020-12-22 11:16:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20172 to 8496. [2020-12-22 11:16:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8496 states. [2020-12-22 11:16:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 38896 transitions. [2020-12-22 11:16:09,176 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 38896 transitions. Word has length 23 [2020-12-22 11:16:09,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:09,177 INFO L481 AbstractCegarLoop]: Abstraction has 8496 states and 38896 transitions. [2020-12-22 11:16:09,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:16:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 38896 transitions. [2020-12-22 11:16:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:09,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:09,181 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:09,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-22 11:16:09,181 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash 785949167, now seen corresponding path program 1 times [2020-12-22 11:16:09,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:09,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754433639] [2020-12-22 11:16:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:09,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754433639] [2020-12-22 11:16:09,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:09,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:16:09,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642941337] [2020-12-22 11:16:09,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:16:09,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:16:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:16:09,235 INFO L87 Difference]: Start difference. First operand 8496 states and 38896 transitions. Second operand 7 states. [2020-12-22 11:16:09,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:09,591 INFO L93 Difference]: Finished difference Result 20464 states and 83279 transitions. [2020-12-22 11:16:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:09,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:16:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:09,645 INFO L225 Difference]: With dead ends: 20464 [2020-12-22 11:16:09,645 INFO L226 Difference]: Without dead ends: 20427 [2020-12-22 11:16:09,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:16:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20427 states. [2020-12-22 11:16:10,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20427 to 8768. [2020-12-22 11:16:10,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8768 states. [2020-12-22 11:16:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 40121 transitions. [2020-12-22 11:16:10,228 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 40121 transitions. Word has length 23 [2020-12-22 11:16:10,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:10,228 INFO L481 AbstractCegarLoop]: Abstraction has 8768 states and 40121 transitions. [2020-12-22 11:16:10,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:16:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 40121 transitions. [2020-12-22 11:16:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:10,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:10,231 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:10,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-22 11:16:10,231 INFO L429 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:10,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:10,231 INFO L82 PathProgramCache]: Analyzing trace with hash 785935682, now seen corresponding path program 1 times [2020-12-22 11:16:10,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:10,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6230150] [2020-12-22 11:16:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:10,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6230150] [2020-12-22 11:16:10,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:10,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:16:10,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399252398] [2020-12-22 11:16:10,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:16:10,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:10,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:16:10,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:16:10,277 INFO L87 Difference]: Start difference. First operand 8768 states and 40121 transitions. Second operand 7 states. [2020-12-22 11:16:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:10,606 INFO L93 Difference]: Finished difference Result 20337 states and 82588 transitions. [2020-12-22 11:16:10,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:10,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:16:10,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:10,666 INFO L225 Difference]: With dead ends: 20337 [2020-12-22 11:16:10,666 INFO L226 Difference]: Without dead ends: 20300 [2020-12-22 11:16:10,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:16:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20300 states. [2020-12-22 11:16:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20300 to 9144. [2020-12-22 11:16:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9144 states. [2020-12-22 11:16:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9144 states to 9144 states and 41753 transitions. [2020-12-22 11:16:11,257 INFO L78 Accepts]: Start accepts. Automaton has 9144 states and 41753 transitions. Word has length 23 [2020-12-22 11:16:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:11,257 INFO L481 AbstractCegarLoop]: Abstraction has 9144 states and 41753 transitions. [2020-12-22 11:16:11,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:16:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 9144 states and 41753 transitions. [2020-12-22 11:16:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:11,260 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:11,260 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:11,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-12-22 11:16:11,261 INFO L429 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:11,261 INFO L82 PathProgramCache]: Analyzing trace with hash 792496367, now seen corresponding path program 2 times [2020-12-22 11:16:11,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:11,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896549057] [2020-12-22 11:16:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:11,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896549057] [2020-12-22 11:16:11,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:11,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:16:11,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978107275] [2020-12-22 11:16:11,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:16:11,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:11,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:16:11,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:16:11,302 INFO L87 Difference]: Start difference. First operand 9144 states and 41753 transitions. Second operand 7 states. [2020-12-22 11:16:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:11,633 INFO L93 Difference]: Finished difference Result 20461 states and 83108 transitions. [2020-12-22 11:16:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:11,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:16:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:11,688 INFO L225 Difference]: With dead ends: 20461 [2020-12-22 11:16:11,688 INFO L226 Difference]: Without dead ends: 20433 [2020-12-22 11:16:11,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:16:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20433 states. [2020-12-22 11:16:12,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20433 to 9327. [2020-12-22 11:16:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9327 states. [2020-12-22 11:16:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9327 states to 9327 states and 42562 transitions. [2020-12-22 11:16:12,250 INFO L78 Accepts]: Start accepts. Automaton has 9327 states and 42562 transitions. Word has length 23 [2020-12-22 11:16:12,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:12,250 INFO L481 AbstractCegarLoop]: Abstraction has 9327 states and 42562 transitions. [2020-12-22 11:16:12,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:16:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9327 states and 42562 transitions. [2020-12-22 11:16:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:16:12,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:12,254 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:12,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-12-22 11:16:12,254 INFO L429 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:12,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:12,255 INFO L82 PathProgramCache]: Analyzing trace with hash 779537282, now seen corresponding path program 2 times [2020-12-22 11:16:12,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:12,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772955251] [2020-12-22 11:16:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:12,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772955251] [2020-12-22 11:16:12,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:12,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:16:12,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890788969] [2020-12-22 11:16:12,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:16:12,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:12,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:16:12,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:16:12,299 INFO L87 Difference]: Start difference. First operand 9327 states and 42562 transitions. Second operand 7 states. [2020-12-22 11:16:12,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:12,664 INFO L93 Difference]: Finished difference Result 21207 states and 86283 transitions. [2020-12-22 11:16:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:16:12,664 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:16:12,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:12,924 INFO L225 Difference]: With dead ends: 21207 [2020-12-22 11:16:12,924 INFO L226 Difference]: Without dead ends: 21170 [2020-12-22 11:16:12,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:16:13,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21170 states. [2020-12-22 11:16:13,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21170 to 9426. [2020-12-22 11:16:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2020-12-22 11:16:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2020-12-22 11:16:13,384 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2020-12-22 11:16:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:13,384 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2020-12-22 11:16:13,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:16:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2020-12-22 11:16:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:13,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:13,388 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:13,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-12-22 11:16:13,388 INFO L429 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:13,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:13,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1736857937, now seen corresponding path program 1 times [2020-12-22 11:16:13,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:13,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380742519] [2020-12-22 11:16:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:13,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:13,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380742519] [2020-12-22 11:16:13,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444943531] [2020-12-22 11:16:13,449 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 [2020-12-22 11:16:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:13,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:16:13,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:16:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:13,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:16:13,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:16:13,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530985527] [2020-12-22 11:16:13,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:16:13,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:13,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:16:13,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:16:13,646 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 11 states. [2020-12-22 11:16:14,200 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-22 11:16:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:14,676 INFO L93 Difference]: Finished difference Result 30087 states and 115517 transitions. [2020-12-22 11:16:14,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:14,677 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-22 11:16:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:14,754 INFO L225 Difference]: With dead ends: 30087 [2020-12-22 11:16:14,755 INFO L226 Difference]: Without dead ends: 30067 [2020-12-22 11:16:14,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:16:14,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30067 states. [2020-12-22 11:16:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30067 to 9456. [2020-12-22 11:16:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9456 states. [2020-12-22 11:16:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9456 states to 9456 states and 43124 transitions. [2020-12-22 11:16:15,464 INFO L78 Accepts]: Start accepts. Automaton has 9456 states and 43124 transitions. Word has length 25 [2020-12-22 11:16:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:15,464 INFO L481 AbstractCegarLoop]: Abstraction has 9456 states and 43124 transitions. [2020-12-22 11:16:15,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:16:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand 9456 states and 43124 transitions. [2020-12-22 11:16:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:15,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:15,468 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:15,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:16:15,669 INFO L429 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:15,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1736844452, now seen corresponding path program 1 times [2020-12-22 11:16:15,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:15,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099904019] [2020-12-22 11:16:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:15,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099904019] [2020-12-22 11:16:15,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267118347] [2020-12-22 11:16:15,732 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 [2020-12-22 11:16:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:15,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:16:15,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:16:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:15,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:16:15,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:16:15,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557727700] [2020-12-22 11:16:15,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:16:15,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:15,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:16:15,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:16:15,890 INFO L87 Difference]: Start difference. First operand 9456 states and 43124 transitions. Second operand 11 states. [2020-12-22 11:16:16,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:16,976 INFO L93 Difference]: Finished difference Result 29743 states and 114176 transitions. [2020-12-22 11:16:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:16,977 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-22 11:16:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:17,083 INFO L225 Difference]: With dead ends: 29743 [2020-12-22 11:16:17,083 INFO L226 Difference]: Without dead ends: 29723 [2020-12-22 11:16:17,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:16:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29723 states. [2020-12-22 11:16:17,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29723 to 9373. [2020-12-22 11:16:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9373 states. [2020-12-22 11:16:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 42689 transitions. [2020-12-22 11:16:17,614 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 42689 transitions. Word has length 25 [2020-12-22 11:16:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:17,615 INFO L481 AbstractCegarLoop]: Abstraction has 9373 states and 42689 transitions. [2020-12-22 11:16:17,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:16:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 42689 transitions. [2020-12-22 11:16:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:17,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:17,622 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:17,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2020-12-22 11:16:17,838 INFO L429 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:17,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1743405137, now seen corresponding path program 2 times [2020-12-22 11:16:17,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:17,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581849419] [2020-12-22 11:16:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:17,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581849419] [2020-12-22 11:16:17,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585495536] [2020-12-22 11:16:17,901 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 [2020-12-22 11:16:18,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:16:18,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:16:18,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:16:18,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:16:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:18,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:16:18,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:16:18,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820956694] [2020-12-22 11:16:18,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:16:18,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:18,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:16:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:16:18,273 INFO L87 Difference]: Start difference. First operand 9373 states and 42689 transitions. Second operand 11 states. [2020-12-22 11:16:19,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:19,237 INFO L93 Difference]: Finished difference Result 29537 states and 113285 transitions. [2020-12-22 11:16:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:19,238 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-22 11:16:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:19,313 INFO L225 Difference]: With dead ends: 29537 [2020-12-22 11:16:19,313 INFO L226 Difference]: Without dead ends: 29515 [2020-12-22 11:16:19,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:16:19,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29515 states. [2020-12-22 11:16:19,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29515 to 9260. [2020-12-22 11:16:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2020-12-22 11:16:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 42114 transitions. [2020-12-22 11:16:19,981 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 42114 transitions. Word has length 25 [2020-12-22 11:16:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:19,981 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 42114 transitions. [2020-12-22 11:16:19,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:16:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 42114 transitions. [2020-12-22 11:16:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:19,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:19,986 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:20,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2020-12-22 11:16:20,192 INFO L429 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:20,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:20,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1730446052, now seen corresponding path program 2 times [2020-12-22 11:16:20,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:20,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968897164] [2020-12-22 11:16:20,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:20,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968897164] [2020-12-22 11:16:20,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204373454] [2020-12-22 11:16:20,262 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 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 [2020-12-22 11:16:20,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:16:20,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:16:20,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:16:20,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:16:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:16:20,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:16:20,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-22 11:16:20,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056093248] [2020-12-22 11:16:20,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 11:16:20,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:20,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 11:16:20,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:16:20,433 INFO L87 Difference]: Start difference. First operand 9260 states and 42114 transitions. Second operand 11 states. [2020-12-22 11:16:21,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:21,323 INFO L93 Difference]: Finished difference Result 29093 states and 111462 transitions. [2020-12-22 11:16:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:21,325 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-22 11:16:21,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:21,397 INFO L225 Difference]: With dead ends: 29093 [2020-12-22 11:16:21,397 INFO L226 Difference]: Without dead ends: 29071 [2020-12-22 11:16:21,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 11:16:21,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29071 states. [2020-12-22 11:16:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29071 to 9176. [2020-12-22 11:16:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9176 states. [2020-12-22 11:16:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 41695 transitions. [2020-12-22 11:16:21,903 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 41695 transitions. Word has length 25 [2020-12-22 11:16:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:21,903 INFO L481 AbstractCegarLoop]: Abstraction has 9176 states and 41695 transitions. [2020-12-22 11:16:21,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 11:16:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 41695 transitions. [2020-12-22 11:16:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:21,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:21,907 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:22,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2020-12-22 11:16:22,111 INFO L429 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:22,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:22,112 INFO L82 PathProgramCache]: Analyzing trace with hash -610816233, now seen corresponding path program 3 times [2020-12-22 11:16:22,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:22,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585746423] [2020-12-22 11:16:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:22,275 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-12-22 11:16:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:22,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585746423] [2020-12-22 11:16:22,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:22,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:22,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504661867] [2020-12-22 11:16:22,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:22,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:22,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:22,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:22,303 INFO L87 Difference]: Start difference. First operand 9176 states and 41695 transitions. Second operand 9 states. [2020-12-22 11:16:23,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:23,086 INFO L93 Difference]: Finished difference Result 29071 states and 111390 transitions. [2020-12-22 11:16:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:23,087 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:23,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:23,167 INFO L225 Difference]: With dead ends: 29071 [2020-12-22 11:16:23,167 INFO L226 Difference]: Without dead ends: 29051 [2020-12-22 11:16:23,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29051 states. [2020-12-22 11:16:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29051 to 8951. [2020-12-22 11:16:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2020-12-22 11:16:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40666 transitions. [2020-12-22 11:16:23,816 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40666 transitions. Word has length 25 [2020-12-22 11:16:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:23,816 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40666 transitions. [2020-12-22 11:16:23,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40666 transitions. [2020-12-22 11:16:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:23,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:23,820 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:23,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-12-22 11:16:23,820 INFO L429 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:23,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:23,821 INFO L82 PathProgramCache]: Analyzing trace with hash -610829718, now seen corresponding path program 3 times [2020-12-22 11:16:23,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:23,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805414419] [2020-12-22 11:16:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:23,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805414419] [2020-12-22 11:16:23,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:23,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:23,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103005247] [2020-12-22 11:16:23,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:23,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:23,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:23,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:23,878 INFO L87 Difference]: Start difference. First operand 8951 states and 40666 transitions. Second operand 9 states. [2020-12-22 11:16:24,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:24,668 INFO L93 Difference]: Finished difference Result 28646 states and 109668 transitions. [2020-12-22 11:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:24,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:24,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:24,920 INFO L225 Difference]: With dead ends: 28646 [2020-12-22 11:16:24,921 INFO L226 Difference]: Without dead ends: 28626 [2020-12-22 11:16:24,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:25,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28626 states. [2020-12-22 11:16:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28626 to 8720. [2020-12-22 11:16:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8720 states. [2020-12-22 11:16:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 39615 transitions. [2020-12-22 11:16:25,382 INFO L78 Accepts]: Start accepts. Automaton has 8720 states and 39615 transitions. Word has length 25 [2020-12-22 11:16:25,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:25,382 INFO L481 AbstractCegarLoop]: Abstraction has 8720 states and 39615 transitions. [2020-12-22 11:16:25,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 8720 states and 39615 transitions. [2020-12-22 11:16:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:25,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:25,386 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:25,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-12-22 11:16:25,386 INFO L429 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:25,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:25,386 INFO L82 PathProgramCache]: Analyzing trace with hash -617065833, now seen corresponding path program 4 times [2020-12-22 11:16:25,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:25,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410033686] [2020-12-22 11:16:25,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:25,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410033686] [2020-12-22 11:16:25,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:25,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:25,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709316514] [2020-12-22 11:16:25,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:25,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:25,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:25,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:25,454 INFO L87 Difference]: Start difference. First operand 8720 states and 39615 transitions. Second operand 9 states. [2020-12-22 11:16:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:26,352 INFO L93 Difference]: Finished difference Result 28727 states and 109977 transitions. [2020-12-22 11:16:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:26,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:26,428 INFO L225 Difference]: With dead ends: 28727 [2020-12-22 11:16:26,428 INFO L226 Difference]: Without dead ends: 28700 [2020-12-22 11:16:26,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:26,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28700 states. [2020-12-22 11:16:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28700 to 8616. [2020-12-22 11:16:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8616 states. [2020-12-22 11:16:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8616 states to 8616 states and 39118 transitions. [2020-12-22 11:16:27,122 INFO L78 Accepts]: Start accepts. Automaton has 8616 states and 39118 transitions. Word has length 25 [2020-12-22 11:16:27,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:27,122 INFO L481 AbstractCegarLoop]: Abstraction has 8616 states and 39118 transitions. [2020-12-22 11:16:27,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8616 states and 39118 transitions. [2020-12-22 11:16:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:27,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:27,127 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:27,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-12-22 11:16:27,127 INFO L429 AbstractCegarLoop]: === Iteration 31 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:27,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:27,127 INFO L82 PathProgramCache]: Analyzing trace with hash -617085828, now seen corresponding path program 1 times [2020-12-22 11:16:27,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:27,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148944624] [2020-12-22 11:16:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:27,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148944624] [2020-12-22 11:16:27,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:27,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:27,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955647943] [2020-12-22 11:16:27,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:27,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:27,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:27,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:27,199 INFO L87 Difference]: Start difference. First operand 8616 states and 39118 transitions. Second operand 9 states. [2020-12-22 11:16:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:27,953 INFO L93 Difference]: Finished difference Result 28473 states and 109212 transitions. [2020-12-22 11:16:27,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:27,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:28,034 INFO L225 Difference]: With dead ends: 28473 [2020-12-22 11:16:28,034 INFO L226 Difference]: Without dead ends: 28453 [2020-12-22 11:16:28,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:28,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28453 states. [2020-12-22 11:16:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28453 to 8610. [2020-12-22 11:16:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2020-12-22 11:16:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39066 transitions. [2020-12-22 11:16:28,755 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39066 transitions. Word has length 25 [2020-12-22 11:16:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:28,755 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39066 transitions. [2020-12-22 11:16:28,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39066 transitions. [2020-12-22 11:16:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:28,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:28,760 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:28,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-12-22 11:16:28,761 INFO L429 AbstractCegarLoop]: === Iteration 32 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:28,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:28,761 INFO L82 PathProgramCache]: Analyzing trace with hash -630024918, now seen corresponding path program 4 times [2020-12-22 11:16:28,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:28,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316790963] [2020-12-22 11:16:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:28,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316790963] [2020-12-22 11:16:28,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:28,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:28,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283341095] [2020-12-22 11:16:28,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:28,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:28,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:28,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:28,819 INFO L87 Difference]: Start difference. First operand 8610 states and 39066 transitions. Second operand 9 states. [2020-12-22 11:16:29,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:29,502 INFO L93 Difference]: Finished difference Result 28142 states and 107635 transitions. [2020-12-22 11:16:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:29,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:29,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:29,783 INFO L225 Difference]: With dead ends: 28142 [2020-12-22 11:16:29,783 INFO L226 Difference]: Without dead ends: 28115 [2020-12-22 11:16:29,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28115 states. [2020-12-22 11:16:30,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28115 to 8610. [2020-12-22 11:16:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2020-12-22 11:16:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39034 transitions. [2020-12-22 11:16:30,213 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39034 transitions. Word has length 25 [2020-12-22 11:16:30,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:30,213 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39034 transitions. [2020-12-22 11:16:30,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39034 transitions. [2020-12-22 11:16:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:30,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:30,216 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:30,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-12-22 11:16:30,217 INFO L429 AbstractCegarLoop]: === Iteration 33 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:30,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:30,217 INFO L82 PathProgramCache]: Analyzing trace with hash -630031428, now seen corresponding path program 2 times [2020-12-22 11:16:30,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:30,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416469249] [2020-12-22 11:16:30,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:30,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416469249] [2020-12-22 11:16:30,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:30,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:30,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600121889] [2020-12-22 11:16:30,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:30,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:30,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:30,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:30,280 INFO L87 Difference]: Start difference. First operand 8610 states and 39034 transitions. Second operand 9 states. [2020-12-22 11:16:31,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:31,143 INFO L93 Difference]: Finished difference Result 27938 states and 107074 transitions. [2020-12-22 11:16:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:31,144 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:31,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:31,217 INFO L225 Difference]: With dead ends: 27938 [2020-12-22 11:16:31,217 INFO L226 Difference]: Without dead ends: 27911 [2020-12-22 11:16:31,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:31,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27911 states. [2020-12-22 11:16:31,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27911 to 8553. [2020-12-22 11:16:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8553 states. [2020-12-22 11:16:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8553 states to 8553 states and 38751 transitions. [2020-12-22 11:16:31,901 INFO L78 Accepts]: Start accepts. Automaton has 8553 states and 38751 transitions. Word has length 25 [2020-12-22 11:16:31,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:31,901 INFO L481 AbstractCegarLoop]: Abstraction has 8553 states and 38751 transitions. [2020-12-22 11:16:31,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8553 states and 38751 transitions. [2020-12-22 11:16:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:31,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:31,906 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:31,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-12-22 11:16:31,907 INFO L429 AbstractCegarLoop]: === Iteration 34 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:31,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:31,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1755430419, now seen corresponding path program 1 times [2020-12-22 11:16:31,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:31,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446213252] [2020-12-22 11:16:31,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-22 11:16:31,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446213252] [2020-12-22 11:16:31,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:31,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:16:31,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111752869] [2020-12-22 11:16:31,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:16:31,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:31,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:16:31,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:16:31,946 INFO L87 Difference]: Start difference. First operand 8553 states and 38751 transitions. Second operand 5 states. [2020-12-22 11:16:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:32,099 INFO L93 Difference]: Finished difference Result 13816 states and 60190 transitions. [2020-12-22 11:16:32,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:16:32,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 11:16:32,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:32,141 INFO L225 Difference]: With dead ends: 13816 [2020-12-22 11:16:32,141 INFO L226 Difference]: Without dead ends: 13784 [2020-12-22 11:16:32,141 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 [2020-12-22 11:16:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13784 states. [2020-12-22 11:16:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13784 to 10108. [2020-12-22 11:16:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2020-12-22 11:16:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 45481 transitions. [2020-12-22 11:16:32,461 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 45481 transitions. Word has length 25 [2020-12-22 11:16:32,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:32,461 INFO L481 AbstractCegarLoop]: Abstraction has 10108 states and 45481 transitions. [2020-12-22 11:16:32,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:16:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 45481 transitions. [2020-12-22 11:16:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:32,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:32,465 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:32,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-12-22 11:16:32,465 INFO L429 AbstractCegarLoop]: === Iteration 35 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:32,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1392622871, now seen corresponding path program 5 times [2020-12-22 11:16:32,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:32,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081342463] [2020-12-22 11:16:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:32,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081342463] [2020-12-22 11:16:32,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:32,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:32,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780326021] [2020-12-22 11:16:32,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:32,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:32,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:32,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:32,526 INFO L87 Difference]: Start difference. First operand 10108 states and 45481 transitions. Second operand 9 states. [2020-12-22 11:16:33,033 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-22 11:16:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:33,408 INFO L93 Difference]: Finished difference Result 31306 states and 120988 transitions. [2020-12-22 11:16:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:33,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:33,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:33,494 INFO L225 Difference]: With dead ends: 31306 [2020-12-22 11:16:33,494 INFO L226 Difference]: Without dead ends: 31280 [2020-12-22 11:16:33,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31280 states. [2020-12-22 11:16:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31280 to 9900. [2020-12-22 11:16:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9900 states. [2020-12-22 11:16:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9900 states to 9900 states and 44494 transitions. [2020-12-22 11:16:34,210 INFO L78 Accepts]: Start accepts. Automaton has 9900 states and 44494 transitions. Word has length 25 [2020-12-22 11:16:34,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:34,210 INFO L481 AbstractCegarLoop]: Abstraction has 9900 states and 44494 transitions. [2020-12-22 11:16:34,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 9900 states and 44494 transitions. [2020-12-22 11:16:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:34,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:34,213 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:34,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-12-22 11:16:34,214 INFO L429 AbstractCegarLoop]: === Iteration 36 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:34,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:34,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1379826071, now seen corresponding path program 6 times [2020-12-22 11:16:34,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:34,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786373401] [2020-12-22 11:16:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:34,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786373401] [2020-12-22 11:16:34,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:34,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:34,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113844465] [2020-12-22 11:16:34,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:34,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:34,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:34,281 INFO L87 Difference]: Start difference. First operand 9900 states and 44494 transitions. Second operand 9 states. [2020-12-22 11:16:35,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:35,082 INFO L93 Difference]: Finished difference Result 30991 states and 119641 transitions. [2020-12-22 11:16:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:35,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:35,165 INFO L225 Difference]: With dead ends: 30991 [2020-12-22 11:16:35,165 INFO L226 Difference]: Without dead ends: 30963 [2020-12-22 11:16:35,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30963 states. [2020-12-22 11:16:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30963 to 9673. [2020-12-22 11:16:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9673 states. [2020-12-22 11:16:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 43497 transitions. [2020-12-22 11:16:35,992 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 43497 transitions. Word has length 25 [2020-12-22 11:16:35,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:35,993 INFO L481 AbstractCegarLoop]: Abstraction has 9673 states and 43497 transitions. [2020-12-22 11:16:35,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 43497 transitions. [2020-12-22 11:16:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:35,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:35,997 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:35,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-12-22 11:16:35,997 INFO L429 AbstractCegarLoop]: === Iteration 37 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1379806076, now seen corresponding path program 3 times [2020-12-22 11:16:35,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:35,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362428364] [2020-12-22 11:16:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:36,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362428364] [2020-12-22 11:16:36,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:36,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:36,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597457165] [2020-12-22 11:16:36,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:36,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:36,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:36,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:36,054 INFO L87 Difference]: Start difference. First operand 9673 states and 43497 transitions. Second operand 9 states. [2020-12-22 11:16:37,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:37,010 INFO L93 Difference]: Finished difference Result 30892 states and 119477 transitions. [2020-12-22 11:16:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:37,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:37,098 INFO L225 Difference]: With dead ends: 30892 [2020-12-22 11:16:37,098 INFO L226 Difference]: Without dead ends: 30866 [2020-12-22 11:16:37,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:37,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30866 states. [2020-12-22 11:16:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30866 to 9571. [2020-12-22 11:16:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9571 states. [2020-12-22 11:16:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 43015 transitions. [2020-12-22 11:16:37,913 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 43015 transitions. Word has length 25 [2020-12-22 11:16:37,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:37,913 INFO L481 AbstractCegarLoop]: Abstraction has 9571 states and 43015 transitions. [2020-12-22 11:16:37,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 43015 transitions. [2020-12-22 11:16:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:37,919 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:37,919 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:37,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-12-22 11:16:37,919 INFO L429 AbstractCegarLoop]: === Iteration 38 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1373407676, now seen corresponding path program 4 times [2020-12-22 11:16:37,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:37,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089440635] [2020-12-22 11:16:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:38,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089440635] [2020-12-22 11:16:38,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:38,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:38,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861646120] [2020-12-22 11:16:38,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:38,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:38,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:38,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:38,028 INFO L87 Difference]: Start difference. First operand 9571 states and 43015 transitions. Second operand 9 states. [2020-12-22 11:16:38,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:38,994 INFO L93 Difference]: Finished difference Result 31203 states and 120737 transitions. [2020-12-22 11:16:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:38,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:38,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:39,108 INFO L225 Difference]: With dead ends: 31203 [2020-12-22 11:16:39,108 INFO L226 Difference]: Without dead ends: 31170 [2020-12-22 11:16:39,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31170 states. [2020-12-22 11:16:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31170 to 9425. [2020-12-22 11:16:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2020-12-22 11:16:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 42312 transitions. [2020-12-22 11:16:39,900 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 42312 transitions. Word has length 25 [2020-12-22 11:16:39,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:39,900 INFO L481 AbstractCegarLoop]: Abstraction has 9425 states and 42312 transitions. [2020-12-22 11:16:39,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 42312 transitions. [2020-12-22 11:16:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:39,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:39,904 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:39,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-12-22 11:16:39,904 INFO L429 AbstractCegarLoop]: === Iteration 39 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1823844074, now seen corresponding path program 5 times [2020-12-22 11:16:39,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:39,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768658563] [2020-12-22 11:16:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:39,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768658563] [2020-12-22 11:16:39,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:39,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:39,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855099118] [2020-12-22 11:16:39,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:39,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:39,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:39,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:39,959 INFO L87 Difference]: Start difference. First operand 9425 states and 42312 transitions. Second operand 9 states. [2020-12-22 11:16:40,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:40,944 INFO L93 Difference]: Finished difference Result 30960 states and 119709 transitions. [2020-12-22 11:16:40,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:40,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:40,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:41,044 INFO L225 Difference]: With dead ends: 30960 [2020-12-22 11:16:41,044 INFO L226 Difference]: Without dead ends: 30934 [2020-12-22 11:16:41,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30934 states. [2020-12-22 11:16:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30934 to 9258. [2020-12-22 11:16:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9258 states. [2020-12-22 11:16:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 41545 transitions. [2020-12-22 11:16:41,539 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 41545 transitions. Word has length 25 [2020-12-22 11:16:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:41,539 INFO L481 AbstractCegarLoop]: Abstraction has 9258 states and 41545 transitions. [2020-12-22 11:16:41,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 41545 transitions. [2020-12-22 11:16:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:41,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:41,543 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:41,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-12-22 11:16:41,543 INFO L429 AbstractCegarLoop]: === Iteration 40 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:41,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:41,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1811047274, now seen corresponding path program 6 times [2020-12-22 11:16:41,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:41,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560143950] [2020-12-22 11:16:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:41,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560143950] [2020-12-22 11:16:41,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:41,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:41,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693252486] [2020-12-22 11:16:41,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:41,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:41,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:41,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:41,602 INFO L87 Difference]: Start difference. First operand 9258 states and 41545 transitions. Second operand 9 states. [2020-12-22 11:16:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:42,605 INFO L93 Difference]: Finished difference Result 30557 states and 118001 transitions. [2020-12-22 11:16:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:42,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:42,686 INFO L225 Difference]: With dead ends: 30557 [2020-12-22 11:16:42,686 INFO L226 Difference]: Without dead ends: 30524 [2020-12-22 11:16:42,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30524 states. [2020-12-22 11:16:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30524 to 8995. [2020-12-22 11:16:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8995 states. [2020-12-22 11:16:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8995 states to 8995 states and 40406 transitions. [2020-12-22 11:16:43,390 INFO L78 Accepts]: Start accepts. Automaton has 8995 states and 40406 transitions. Word has length 25 [2020-12-22 11:16:43,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:43,390 INFO L481 AbstractCegarLoop]: Abstraction has 8995 states and 40406 transitions. [2020-12-22 11:16:43,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 8995 states and 40406 transitions. [2020-12-22 11:16:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:43,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:43,393 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:43,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-12-22 11:16:43,394 INFO L429 AbstractCegarLoop]: === Iteration 41 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:43,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1811040764, now seen corresponding path program 5 times [2020-12-22 11:16:43,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:43,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483699024] [2020-12-22 11:16:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:43,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483699024] [2020-12-22 11:16:43,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:43,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:43,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340850832] [2020-12-22 11:16:43,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:43,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:43,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:43,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:43,453 INFO L87 Difference]: Start difference. First operand 8995 states and 40406 transitions. Second operand 9 states. [2020-12-22 11:16:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:44,487 INFO L93 Difference]: Finished difference Result 30154 states and 116397 transitions. [2020-12-22 11:16:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:44,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:44,623 INFO L225 Difference]: With dead ends: 30154 [2020-12-22 11:16:44,624 INFO L226 Difference]: Without dead ends: 30128 [2020-12-22 11:16:44,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30128 states. [2020-12-22 11:16:45,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30128 to 8901. [2020-12-22 11:16:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2020-12-22 11:16:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 39944 transitions. [2020-12-22 11:16:45,632 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 39944 transitions. Word has length 25 [2020-12-22 11:16:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:45,633 INFO L481 AbstractCegarLoop]: Abstraction has 8901 states and 39944 transitions. [2020-12-22 11:16:45,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 39944 transitions. [2020-12-22 11:16:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:16:45,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:45,636 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:45,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-12-22 11:16:45,637 INFO L429 AbstractCegarLoop]: === Iteration 42 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:45,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1817587964, now seen corresponding path program 6 times [2020-12-22 11:16:45,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:45,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006399389] [2020-12-22 11:16:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:16:45,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006399389] [2020-12-22 11:16:45,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:45,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:16:45,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417348709] [2020-12-22 11:16:45,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:16:45,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:45,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:16:45,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:16:45,694 INFO L87 Difference]: Start difference. First operand 8901 states and 39944 transitions. Second operand 9 states. [2020-12-22 11:16:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:46,725 INFO L93 Difference]: Finished difference Result 29876 states and 115200 transitions. [2020-12-22 11:16:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:16:46,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:16:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:46,835 INFO L225 Difference]: With dead ends: 29876 [2020-12-22 11:16:46,835 INFO L226 Difference]: Without dead ends: 29843 [2020-12-22 11:16:46,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:16:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29843 states. [2020-12-22 11:16:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29843 to 8560. [2020-12-22 11:16:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2020-12-22 11:16:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2020-12-22 11:16:47,360 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2020-12-22 11:16:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:47,360 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2020-12-22 11:16:47,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:16:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2020-12-22 11:16:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 11:16:47,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:47,364 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:47,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-12-22 11:16:47,364 INFO L429 AbstractCegarLoop]: === Iteration 43 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:47,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1421958701, now seen corresponding path program 1 times [2020-12-22 11:16:47,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:47,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999040612] [2020-12-22 11:16:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:16:47,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:16:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:16:47,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:16:47,391 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:16:47,392 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:16:47,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-12-22 11:16:47,392 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:16:47,392 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-12-22 11:16:47,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,441 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,442 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,442 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,443 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,443 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,443 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,445 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,445 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,446 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,446 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:16:47,458 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:16:47,459 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-22 11:16:47,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:16:47,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:16:47,459 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:16:47,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:16:47,459 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:16:47,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:16:47,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:16:47,460 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:16:47,462 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:16:47,462 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 151 transitions, 422 flow [2020-12-22 11:16:47,462 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 151 transitions, 422 flow [2020-12-22 11:16:47,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 151 transitions, 422 flow [2020-12-22 11:16:47,591 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2020-12-22 11:16:47,591 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-12-22 11:16:47,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 300 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 211. Up to 14 conditions per place. [2020-12-22 11:16:47,602 INFO L116 LiptonReduction]: Number of co-enabled transitions 3732 [2020-12-22 11:16:50,222 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-22 11:16:50,338 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-22 11:16:50,461 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-22 11:16:52,237 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-12-22 11:16:52,358 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-22 11:16:52,643 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-12-22 11:16:52,759 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-22 11:16:52,892 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:16:53,024 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:16:53,150 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:16:53,277 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-22 11:16:53,284 INFO L131 LiptonReduction]: Checked pairs total: 6259 [2020-12-22 11:16:53,284 INFO L133 LiptonReduction]: Total number of compositions: 142 [2020-12-22 11:16:53,284 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2020-12-22 11:16:54,943 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2020-12-22 11:16:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2020-12-22 11:16:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:16:54,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:54,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:16:54,944 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:54,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:54,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1398522, now seen corresponding path program 1 times [2020-12-22 11:16:54,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:54,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727787366] [2020-12-22 11:16:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:16:54,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727787366] [2020-12-22 11:16:54,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:54,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:16:54,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235614999] [2020-12-22 11:16:54,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:16:54,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:54,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:16:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:16:54,962 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2020-12-22 11:16:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:55,155 INFO L93 Difference]: Finished difference Result 23380 states and 116957 transitions. [2020-12-22 11:16:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:16:55,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:16:55,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:55,231 INFO L225 Difference]: With dead ends: 23380 [2020-12-22 11:16:55,231 INFO L226 Difference]: Without dead ends: 21320 [2020-12-22 11:16:55,231 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 [2020-12-22 11:16:55,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21320 states. [2020-12-22 11:16:56,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21320 to 16791. [2020-12-22 11:16:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2020-12-22 11:16:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2020-12-22 11:16:56,574 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2020-12-22 11:16:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:56,574 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2020-12-22 11:16:56,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:16:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2020-12-22 11:16:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:16:56,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:56,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:56,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-12-22 11:16:56,575 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:56,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2143783924, now seen corresponding path program 1 times [2020-12-22 11:16:56,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:56,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952164497] [2020-12-22 11:16:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:16:56,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952164497] [2020-12-22 11:16:56,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:56,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:16:56,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567718880] [2020-12-22 11:16:56,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:16:56,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:56,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:16:56,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:16:56,616 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states. [2020-12-22 11:16:56,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:56,901 INFO L93 Difference]: Finished difference Result 30985 states and 150574 transitions. [2020-12-22 11:16:56,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:16:56,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:16:56,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:57,022 INFO L225 Difference]: With dead ends: 30985 [2020-12-22 11:16:57,023 INFO L226 Difference]: Without dead ends: 30977 [2020-12-22 11:16:57,023 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 [2020-12-22 11:16:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30977 states. [2020-12-22 11:16:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30977 to 19868. [2020-12-22 11:16:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19868 states. [2020-12-22 11:16:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19868 states to 19868 states and 103363 transitions. [2020-12-22 11:16:58,833 INFO L78 Accepts]: Start accepts. Automaton has 19868 states and 103363 transitions. Word has length 9 [2020-12-22 11:16:58,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:16:58,834 INFO L481 AbstractCegarLoop]: Abstraction has 19868 states and 103363 transitions. [2020-12-22 11:16:58,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:16:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 19868 states and 103363 transitions. [2020-12-22 11:16:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:16:58,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:16:58,834 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:16:58,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-12-22 11:16:58,835 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:16:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:16:58,835 INFO L82 PathProgramCache]: Analyzing trace with hash 130953863, now seen corresponding path program 1 times [2020-12-22 11:16:58,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:16:58,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444137493] [2020-12-22 11:16:58,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:16:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:16:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:16:58,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444137493] [2020-12-22 11:16:58,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:16:58,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:16:58,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217636064] [2020-12-22 11:16:58,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:16:58,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:16:58,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:16:58,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:16:58,859 INFO L87 Difference]: Start difference. First operand 19868 states and 103363 transitions. Second operand 5 states. [2020-12-22 11:16:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:16:59,170 INFO L93 Difference]: Finished difference Result 36296 states and 178836 transitions. [2020-12-22 11:16:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:16:59,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:16:59,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:16:59,786 INFO L225 Difference]: With dead ends: 36296 [2020-12-22 11:16:59,786 INFO L226 Difference]: Without dead ends: 36280 [2020-12-22 11:16:59,787 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 [2020-12-22 11:17:00,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36280 states. [2020-12-22 11:17:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36280 to 23806. [2020-12-22 11:17:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23806 states. [2020-12-22 11:17:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 125455 transitions. [2020-12-22 11:17:01,496 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 125455 transitions. Word has length 13 [2020-12-22 11:17:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:01,496 INFO L481 AbstractCegarLoop]: Abstraction has 23806 states and 125455 transitions. [2020-12-22 11:17:01,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:17:01,496 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 125455 transitions. [2020-12-22 11:17:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:17:01,497 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:01,497 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:01,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-12-22 11:17:01,497 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:01,498 INFO L82 PathProgramCache]: Analyzing trace with hash -875769953, now seen corresponding path program 1 times [2020-12-22 11:17:01,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:01,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674766527] [2020-12-22 11:17:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:17:01,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674766527] [2020-12-22 11:17:01,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981415412] [2020-12-22 11:17:01,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:17:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:01,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:17:01,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:17:01,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:01,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-12-22 11:17:01,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894364960] [2020-12-22 11:17:01,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:01,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:01,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:01,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:01,679 INFO L87 Difference]: Start difference. First operand 23806 states and 125455 transitions. Second operand 7 states. [2020-12-22 11:17:02,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:02,834 INFO L93 Difference]: Finished difference Result 56720 states and 262685 transitions. [2020-12-22 11:17:02,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:02,835 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:17:02,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:03,044 INFO L225 Difference]: With dead ends: 56720 [2020-12-22 11:17:03,044 INFO L226 Difference]: Without dead ends: 56704 [2020-12-22 11:17:03,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:17:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56704 states. [2020-12-22 11:17:05,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56704 to 23629. [2020-12-22 11:17:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23629 states. [2020-12-22 11:17:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23629 states to 23629 states and 124418 transitions. [2020-12-22 11:17:05,832 INFO L78 Accepts]: Start accepts. Automaton has 23629 states and 124418 transitions. Word has length 15 [2020-12-22 11:17:05,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:05,832 INFO L481 AbstractCegarLoop]: Abstraction has 23629 states and 124418 transitions. [2020-12-22 11:17:05,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 23629 states and 124418 transitions. [2020-12-22 11:17:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:17:05,833 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:05,836 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:06,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:17:06,049 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:06,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1292632509, now seen corresponding path program 2 times [2020-12-22 11:17:06,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:06,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424763748] [2020-12-22 11:17:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:06,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424763748] [2020-12-22 11:17:06,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:17:06,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:17:06,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503351884] [2020-12-22 11:17:06,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:06,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:06,092 INFO L87 Difference]: Start difference. First operand 23629 states and 124418 transitions. Second operand 7 states. [2020-12-22 11:17:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:07,358 INFO L93 Difference]: Finished difference Result 58078 states and 269185 transitions. [2020-12-22 11:17:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:07,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:17:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:07,852 INFO L225 Difference]: With dead ends: 58078 [2020-12-22 11:17:07,853 INFO L226 Difference]: Without dead ends: 58061 [2020-12-22 11:17:07,853 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 [2020-12-22 11:17:09,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58061 states. [2020-12-22 11:17:10,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58061 to 23109. [2020-12-22 11:17:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23109 states. [2020-12-22 11:17:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23109 states to 23109 states and 121651 transitions. [2020-12-22 11:17:10,374 INFO L78 Accepts]: Start accepts. Automaton has 23109 states and 121651 transitions. Word has length 15 [2020-12-22 11:17:10,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:10,374 INFO L481 AbstractCegarLoop]: Abstraction has 23109 states and 121651 transitions. [2020-12-22 11:17:10,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 23109 states and 121651 transitions. [2020-12-22 11:17:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:17:10,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:10,374 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:10,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-12-22 11:17:10,375 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:10,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:10,376 INFO L82 PathProgramCache]: Analyzing trace with hash -2019981254, now seen corresponding path program 1 times [2020-12-22 11:17:10,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:10,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634462121] [2020-12-22 11:17:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:17:10,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634462121] [2020-12-22 11:17:10,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:17:10,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:17:10,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982198955] [2020-12-22 11:17:10,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:17:10,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:10,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:17:10,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:17:10,424 INFO L87 Difference]: Start difference. First operand 23109 states and 121651 transitions. Second operand 5 states. [2020-12-22 11:17:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:11,257 INFO L93 Difference]: Finished difference Result 41885 states and 209629 transitions. [2020-12-22 11:17:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:17:11,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:17:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:11,575 INFO L225 Difference]: With dead ends: 41885 [2020-12-22 11:17:11,576 INFO L226 Difference]: Without dead ends: 41856 [2020-12-22 11:17:11,576 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 [2020-12-22 11:17:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2020-12-22 11:17:13,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 28237. [2020-12-22 11:17:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28237 states. [2020-12-22 11:17:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28237 states to 28237 states and 150261 transitions. [2020-12-22 11:17:13,984 INFO L78 Accepts]: Start accepts. Automaton has 28237 states and 150261 transitions. Word has length 17 [2020-12-22 11:17:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:13,984 INFO L481 AbstractCegarLoop]: Abstraction has 28237 states and 150261 transitions. [2020-12-22 11:17:13,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:17:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 28237 states and 150261 transitions. [2020-12-22 11:17:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:17:13,985 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:13,985 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:13,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-12-22 11:17:13,985 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:13,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:13,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1034692270, now seen corresponding path program 1 times [2020-12-22 11:17:13,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:13,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141442677] [2020-12-22 11:17:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:17:14,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141442677] [2020-12-22 11:17:14,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323233512] [2020-12-22 11:17:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-22 11:17:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:14,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:17:14,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:17:14,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:14,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-12-22 11:17:14,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69801790] [2020-12-22 11:17:14,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:14,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:14,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:14,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:14,212 INFO L87 Difference]: Start difference. First operand 28237 states and 150261 transitions. Second operand 7 states. [2020-12-22 11:17:15,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:15,392 INFO L93 Difference]: Finished difference Result 66831 states and 314874 transitions. [2020-12-22 11:17:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:15,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:17:15,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:15,689 INFO L225 Difference]: With dead ends: 66831 [2020-12-22 11:17:15,689 INFO L226 Difference]: Without dead ends: 66807 [2020-12-22 11:17:15,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:17:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66807 states. [2020-12-22 11:17:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66807 to 28673. [2020-12-22 11:17:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28673 states. [2020-12-22 11:17:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 152375 transitions. [2020-12-22 11:17:18,287 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 152375 transitions. Word has length 19 [2020-12-22 11:17:18,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:18,287 INFO L481 AbstractCegarLoop]: Abstraction has 28673 states and 152375 transitions. [2020-12-22 11:17:18,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 152375 transitions. [2020-12-22 11:17:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:17:18,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:18,288 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:18,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:17:18,489 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash -275175806, now seen corresponding path program 1 times [2020-12-22 11:17:18,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:18,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888145284] [2020-12-22 11:17:18,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:18,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888145284] [2020-12-22 11:17:18,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257767963] [2020-12-22 11:17:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-22 11:17:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:18,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:17:18,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:18,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:18,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-12-22 11:17:18,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326750676] [2020-12-22 11:17:18,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:18,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:18,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:18,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:18,695 INFO L87 Difference]: Start difference. First operand 28673 states and 152375 transitions. Second operand 7 states. [2020-12-22 11:17:19,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:19,750 INFO L93 Difference]: Finished difference Result 69484 states and 328264 transitions. [2020-12-22 11:17:19,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:19,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:17:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:20,587 INFO L225 Difference]: With dead ends: 69484 [2020-12-22 11:17:20,587 INFO L226 Difference]: Without dead ends: 69451 [2020-12-22 11:17:20,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:17:21,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69451 states. [2020-12-22 11:17:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69451 to 28873. [2020-12-22 11:17:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28873 states. [2020-12-22 11:17:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28873 states to 28873 states and 153454 transitions. [2020-12-22 11:17:23,187 INFO L78 Accepts]: Start accepts. Automaton has 28873 states and 153454 transitions. Word has length 19 [2020-12-22 11:17:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:23,187 INFO L481 AbstractCegarLoop]: Abstraction has 28873 states and 153454 transitions. [2020-12-22 11:17:23,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28873 states and 153454 transitions. [2020-12-22 11:17:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:17:23,188 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:23,188 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:23,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:17:23,389 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:23,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:23,390 INFO L82 PathProgramCache]: Analyzing trace with hash 123253022, now seen corresponding path program 2 times [2020-12-22 11:17:23,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:23,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607213087] [2020-12-22 11:17:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:17:23,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607213087] [2020-12-22 11:17:23,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:17:23,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:17:23,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840119104] [2020-12-22 11:17:23,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:23,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:23,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:23,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:23,430 INFO L87 Difference]: Start difference. First operand 28873 states and 153454 transitions. Second operand 7 states. [2020-12-22 11:17:24,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:24,762 INFO L93 Difference]: Finished difference Result 70510 states and 333491 transitions. [2020-12-22 11:17:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:24,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:17:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:25,102 INFO L225 Difference]: With dead ends: 70510 [2020-12-22 11:17:25,102 INFO L226 Difference]: Without dead ends: 70477 [2020-12-22 11:17:25,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:17:26,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70477 states. [2020-12-22 11:17:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70477 to 28942. [2020-12-22 11:17:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28942 states. [2020-12-22 11:17:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28942 states to 28942 states and 153921 transitions. [2020-12-22 11:17:28,210 INFO L78 Accepts]: Start accepts. Automaton has 28942 states and 153921 transitions. Word has length 19 [2020-12-22 11:17:28,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:28,211 INFO L481 AbstractCegarLoop]: Abstraction has 28942 states and 153921 transitions. [2020-12-22 11:17:28,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 28942 states and 153921 transitions. [2020-12-22 11:17:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:17:28,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:28,212 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:28,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2020-12-22 11:17:28,212 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:28,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash 123254448, now seen corresponding path program 2 times [2020-12-22 11:17:28,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:28,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050405454] [2020-12-22 11:17:28,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:17:28,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050405454] [2020-12-22 11:17:28,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:17:28,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:17:28,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787394855] [2020-12-22 11:17:28,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:17:28,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:28,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:17:28,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:17:28,252 INFO L87 Difference]: Start difference. First operand 28942 states and 153921 transitions. Second operand 7 states. [2020-12-22 11:17:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:29,478 INFO L93 Difference]: Finished difference Result 70096 states and 331298 transitions. [2020-12-22 11:17:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:17:29,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:17:29,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:29,800 INFO L225 Difference]: With dead ends: 70096 [2020-12-22 11:17:29,800 INFO L226 Difference]: Without dead ends: 70063 [2020-12-22 11:17:29,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:17:31,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70063 states. [2020-12-22 11:17:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70063 to 29094. [2020-12-22 11:17:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29094 states. [2020-12-22 11:17:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 154883 transitions. [2020-12-22 11:17:32,505 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 154883 transitions. Word has length 19 [2020-12-22 11:17:32,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:32,505 INFO L481 AbstractCegarLoop]: Abstraction has 29094 states and 154883 transitions. [2020-12-22 11:17:32,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:17:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 154883 transitions. [2020-12-22 11:17:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:17:32,506 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:32,507 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:32,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2020-12-22 11:17:32,507 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:32,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:32,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1694732698, now seen corresponding path program 1 times [2020-12-22 11:17:32,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:32,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928513285] [2020-12-22 11:17:32,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:17:32,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928513285] [2020-12-22 11:17:32,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851187228] [2020-12-22 11:17:32,568 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 [2020-12-22 11:17:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:33,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:17:33,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:17:33,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:33,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-12-22 11:17:33,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116404858] [2020-12-22 11:17:33,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:17:33,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:33,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:17:33,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:17:33,141 INFO L87 Difference]: Start difference. First operand 29094 states and 154883 transitions. Second operand 9 states. [2020-12-22 11:17:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:35,117 INFO L93 Difference]: Finished difference Result 100731 states and 448596 transitions. [2020-12-22 11:17:35,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:17:35,118 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:17:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:35,607 INFO L225 Difference]: With dead ends: 100731 [2020-12-22 11:17:35,607 INFO L226 Difference]: Without dead ends: 100715 [2020-12-22 11:17:35,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:17:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100715 states. [2020-12-22 11:17:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100715 to 28719. [2020-12-22 11:17:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28719 states. [2020-12-22 11:17:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 152760 transitions. [2020-12-22 11:17:39,098 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 152760 transitions. Word has length 21 [2020-12-22 11:17:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:39,098 INFO L481 AbstractCegarLoop]: Abstraction has 28719 states and 152760 transitions. [2020-12-22 11:17:39,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:17:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 152760 transitions. [2020-12-22 11:17:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:17:39,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:39,099 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:39,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2020-12-22 11:17:39,301 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:39,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:39,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2093161526, now seen corresponding path program 2 times [2020-12-22 11:17:39,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:39,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801249776] [2020-12-22 11:17:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:17:39,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801249776] [2020-12-22 11:17:39,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149242740] [2020-12-22 11:17:39,360 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 [2020-12-22 11:17:39,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:17:39,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:17:39,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:17:39,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 11:17:39,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:39,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-12-22 11:17:39,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517476633] [2020-12-22 11:17:39,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:17:39,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:39,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:17:39,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:17:39,542 INFO L87 Difference]: Start difference. First operand 28719 states and 152760 transitions. Second operand 9 states. [2020-12-22 11:17:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:41,762 INFO L93 Difference]: Finished difference Result 99876 states and 444348 transitions. [2020-12-22 11:17:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:17:41,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:17:41,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:42,243 INFO L225 Difference]: With dead ends: 99876 [2020-12-22 11:17:42,243 INFO L226 Difference]: Without dead ends: 99855 [2020-12-22 11:17:42,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:17:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99855 states. [2020-12-22 11:17:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99855 to 28343. [2020-12-22 11:17:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28343 states. [2020-12-22 11:17:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28343 states to 28343 states and 150639 transitions. [2020-12-22 11:17:45,743 INFO L78 Accepts]: Start accepts. Automaton has 28343 states and 150639 transitions. Word has length 21 [2020-12-22 11:17:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:45,743 INFO L481 AbstractCegarLoop]: Abstraction has 28343 states and 150639 transitions. [2020-12-22 11:17:45,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:17:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 28343 states and 150639 transitions. [2020-12-22 11:17:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:17:45,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:45,744 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:45,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2020-12-22 11:17:45,946 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:45,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:45,947 INFO L82 PathProgramCache]: Analyzing trace with hash 395690060, now seen corresponding path program 3 times [2020-12-22 11:17:45,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:45,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576469938] [2020-12-22 11:17:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:46,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576469938] [2020-12-22 11:17:46,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407370553] [2020-12-22 11:17:46,011 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 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 [2020-12-22 11:17:46,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-22 11:17:46,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:17:46,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:17:46,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:46,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:46,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-12-22 11:17:46,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645868677] [2020-12-22 11:17:46,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:17:46,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:46,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:17:46,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:17:46,192 INFO L87 Difference]: Start difference. First operand 28343 states and 150639 transitions. Second operand 9 states. [2020-12-22 11:17:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:48,629 INFO L93 Difference]: Finished difference Result 100071 states and 445291 transitions. [2020-12-22 11:17:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:17:48,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:17:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:49,100 INFO L225 Difference]: With dead ends: 100071 [2020-12-22 11:17:49,100 INFO L226 Difference]: Without dead ends: 100055 [2020-12-22 11:17:49,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:17:50,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100055 states. [2020-12-22 11:17:52,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100055 to 27654. [2020-12-22 11:17:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27654 states. [2020-12-22 11:17:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27654 states to 27654 states and 147080 transitions. [2020-12-22 11:17:52,630 INFO L78 Accepts]: Start accepts. Automaton has 27654 states and 147080 transitions. Word has length 21 [2020-12-22 11:17:52,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:17:52,631 INFO L481 AbstractCegarLoop]: Abstraction has 27654 states and 147080 transitions. [2020-12-22 11:17:52,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:17:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 27654 states and 147080 transitions. [2020-12-22 11:17:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:17:52,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:17:52,632 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:17:52,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:17:52,841 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:17:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:17:52,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1844044536, now seen corresponding path program 4 times [2020-12-22 11:17:52,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:17:52,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238474431] [2020-12-22 11:17:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:17:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:17:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:52,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238474431] [2020-12-22 11:17:52,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396659705] [2020-12-22 11:17:52,906 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 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 [2020-12-22 11:17:53,051 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 11:17:53,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:17:53,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 11:17:53,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:17:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:17:53,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:17:53,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-12-22 11:17:53,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935684744] [2020-12-22 11:17:53,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:17:53,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:17:53,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:17:53,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:17:53,084 INFO L87 Difference]: Start difference. First operand 27654 states and 147080 transitions. Second operand 9 states. [2020-12-22 11:17:54,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:17:54,778 INFO L93 Difference]: Finished difference Result 99523 states and 442763 transitions. [2020-12-22 11:17:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:17:54,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:17:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:17:56,241 INFO L225 Difference]: With dead ends: 99523 [2020-12-22 11:17:56,242 INFO L226 Difference]: Without dead ends: 99502 [2020-12-22 11:17:56,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:17:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99502 states. [2020-12-22 11:18:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99502 to 27278. [2020-12-22 11:18:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27278 states. [2020-12-22 11:18:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27278 states to 27278 states and 144959 transitions. [2020-12-22 11:18:00,269 INFO L78 Accepts]: Start accepts. Automaton has 27278 states and 144959 transitions. Word has length 21 [2020-12-22 11:18:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:18:00,269 INFO L481 AbstractCegarLoop]: Abstraction has 27278 states and 144959 transitions. [2020-12-22 11:18:00,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:18:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 27278 states and 144959 transitions. [2020-12-22 11:18:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:18:00,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:18:00,271 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:18:00,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2020-12-22 11:18:00,483 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:18:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:18:00,484 INFO L82 PathProgramCache]: Analyzing trace with hash -24738773, now seen corresponding path program 1 times [2020-12-22 11:18:00,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:18:00,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918375003] [2020-12-22 11:18:00,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:18:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:18:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:18:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918375003] [2020-12-22 11:18:00,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:18:00,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:18:00,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208882559] [2020-12-22 11:18:00,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:18:00,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:18:00,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:18:00,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:18:00,512 INFO L87 Difference]: Start difference. First operand 27278 states and 144959 transitions. Second operand 5 states. [2020-12-22 11:18:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:18:01,494 INFO L93 Difference]: Finished difference Result 48996 states and 248701 transitions. [2020-12-22 11:18:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:18:01,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-22 11:18:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:18:01,704 INFO L225 Difference]: With dead ends: 48996 [2020-12-22 11:18:01,704 INFO L226 Difference]: Without dead ends: 48950 [2020-12-22 11:18:01,704 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 [2020-12-22 11:18:03,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48950 states. [2020-12-22 11:18:04,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48950 to 33977. [2020-12-22 11:18:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33977 states. [2020-12-22 11:18:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33977 states to 33977 states and 181757 transitions. [2020-12-22 11:18:04,640 INFO L78 Accepts]: Start accepts. Automaton has 33977 states and 181757 transitions. Word has length 21 [2020-12-22 11:18:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:18:04,641 INFO L481 AbstractCegarLoop]: Abstraction has 33977 states and 181757 transitions. [2020-12-22 11:18:04,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:18:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33977 states and 181757 transitions. [2020-12-22 11:18:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:18:04,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:18:04,646 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:18:04,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2020-12-22 11:18:04,646 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:18:04,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:18:04,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1812908396, now seen corresponding path program 5 times [2020-12-22 11:18:04,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:18:04,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134223727] [2020-12-22 11:18:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:18:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:18:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:18:04,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134223727] [2020-12-22 11:18:04,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:18:04,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:18:04,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80974920] [2020-12-22 11:18:04,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:18:04,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:18:04,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:18:04,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:18:04,776 INFO L87 Difference]: Start difference. First operand 33977 states and 181757 transitions. Second operand 9 states. [2020-12-22 11:18:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:18:06,797 INFO L93 Difference]: Finished difference Result 115584 states and 523727 transitions. [2020-12-22 11:18:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:18:06,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:18:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:18:07,298 INFO L225 Difference]: With dead ends: 115584 [2020-12-22 11:18:07,298 INFO L226 Difference]: Without dead ends: 115559 [2020-12-22 11:18:07,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:18:09,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115559 states. [2020-12-22 11:18:11,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115559 to 33074. [2020-12-22 11:18:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33074 states. [2020-12-22 11:18:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33074 states to 33074 states and 176935 transitions. [2020-12-22 11:18:11,672 INFO L78 Accepts]: Start accepts. Automaton has 33074 states and 176935 transitions. Word has length 21 [2020-12-22 11:18:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:18:11,672 INFO L481 AbstractCegarLoop]: Abstraction has 33074 states and 176935 transitions. [2020-12-22 11:18:11,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:18:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33074 states and 176935 transitions. [2020-12-22 11:18:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:18:11,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:18:11,673 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:18:11,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2020-12-22 11:18:11,674 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:18:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:18:11,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1811539436, now seen corresponding path program 6 times [2020-12-22 11:18:11,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:18:11,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25348111] [2020-12-22 11:18:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:18:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:18:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:18:11,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25348111] [2020-12-22 11:18:11,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:18:11,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:18:11,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100312722] [2020-12-22 11:18:11,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:18:11,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:18:11,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:18:11,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:18:11,741 INFO L87 Difference]: Start difference. First operand 33074 states and 176935 transitions. Second operand 9 states. [2020-12-22 11:18:13,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:18:13,664 INFO L93 Difference]: Finished difference Result 114402 states and 517732 transitions. [2020-12-22 11:18:13,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:18:13,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:18:13,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:18:14,792 INFO L225 Difference]: With dead ends: 114402 [2020-12-22 11:18:14,792 INFO L226 Difference]: Without dead ends: 114371 [2020-12-22 11:18:14,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:18:16,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114371 states. [2020-12-22 11:18:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114371 to 31960. [2020-12-22 11:18:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31960 states. [2020-12-22 11:18:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31960 states to 31960 states and 171209 transitions. [2020-12-22 11:18:18,740 INFO L78 Accepts]: Start accepts. Automaton has 31960 states and 171209 transitions. Word has length 21 [2020-12-22 11:18:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:18:18,740 INFO L481 AbstractCegarLoop]: Abstraction has 31960 states and 171209 transitions. [2020-12-22 11:18:18,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:18:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 31960 states and 171209 transitions. [2020-12-22 11:18:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:18:18,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:18:18,742 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:18:18,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2020-12-22 11:18:18,742 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:18:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:18:18,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1023243965, now seen corresponding path program 1 times [2020-12-22 11:18:18,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:18:18,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926263383] [2020-12-22 11:18:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:18:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:18:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:18:18,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926263383] [2020-12-22 11:18:18,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907550465] [2020-12-22 11:18:18,781 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 [2020-12-22 11:18:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:18:18,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-22 11:18:18,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:18:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 11:18:18,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:18:18,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-12-22 11:18:18,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725249607] [2020-12-22 11:18:18,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:18:18,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:18:18,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:18:18,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:18:18,975 INFO L87 Difference]: Start difference. First operand 31960 states and 171209 transitions. Second operand 7 states. [2020-12-22 11:18:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:18:20,358 INFO L93 Difference]: Finished difference Result 75380 states and 361389 transitions. [2020-12-22 11:18:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:18:20,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:18:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:18:21,266 INFO L225 Difference]: With dead ends: 75380 [2020-12-22 11:18:21,269 INFO L226 Difference]: Without dead ends: 75344 [2020-12-22 11:18:21,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:18:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75344 states. [2020-12-22 11:18:23,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75344 to 32974. [2020-12-22 11:18:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32974 states.