/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:03:50,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:03:50,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:03:50,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:03:50,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:03:50,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:03:50,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:03:50,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:03:50,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:03:50,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:03:50,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:03:50,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:03:50,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:03:50,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:03:50,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:03:50,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:03:50,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:03:50,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:03:50,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:03:50,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:03:50,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:03:50,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:03:50,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:03:50,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:03:50,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:03:50,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:03:50,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:03:50,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:03:50,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:03:50,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:03:50,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:03:50,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:03:50,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:03:50,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:03:50,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:03:50,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:03:50,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:03:50,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:03:50,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:03:50,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:03:50,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:03:50,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:03:50,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:03:50,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:03:50,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:03:50,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:03:50,807 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:03:50,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:03:50,807 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:03:50,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:03:50,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:03:50,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:03:50,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:03:50,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:03:50,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:03:50,810 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:03:50,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:03:50,810 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:03:50,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:03:50,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:03:50,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:03:50,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:03:50,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:03:50,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:03:50,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:03:50,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:03:50,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:03:50,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:03:50,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:03:50,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:03:50,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:03:50,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:03:51,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:03:51,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:03:51,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:03:51,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:03:51,178 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:03:51,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-21 22:03:51,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7efd418/f19b88ae9f0c44b980d610aa5e17f231/FLAG294380045 [2020-10-21 22:03:51,882 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:03:51,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2020-10-21 22:03:51,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7efd418/f19b88ae9f0c44b980d610aa5e17f231/FLAG294380045 [2020-10-21 22:03:52,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7efd418/f19b88ae9f0c44b980d610aa5e17f231 [2020-10-21 22:03:52,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:03:52,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:03:52,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:03:52,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:03:52,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:03:52,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f4874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52, skipping insertion in model container [2020-10-21 22:03:52,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:03:52,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:03:52,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:03:52,712 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:03:52,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:03:52,866 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:03:52,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52 WrapperNode [2020-10-21 22:03:52,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:03:52,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:03:52,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:03:52,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:03:52,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:03:52,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:03:52,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:03:52,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:03:52,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... [2020-10-21 22:03:52,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:03:52,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:03:52,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:03:52,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:03:52,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:03:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:03:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:03:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:03:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:03:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:03:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:03:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:03:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:03:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:03:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:03:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:03:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:03:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:03:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:03:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:03:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:03:53,034 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:03:53,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:03:53,510 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 22:03:53,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:03:53 BoogieIcfgContainer [2020-10-21 22:03:53,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:03:53,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:03:53,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:03:53,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:03:53,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:03:52" (1/3) ... [2020-10-21 22:03:53,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4e7eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:03:53, skipping insertion in model container [2020-10-21 22:03:53,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:03:52" (2/3) ... [2020-10-21 22:03:53,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4e7eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:03:53, skipping insertion in model container [2020-10-21 22:03:53,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:03:53" (3/3) ... [2020-10-21 22:03:53,522 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_tso.opt.i [2020-10-21 22:03:53,535 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:03:53,535 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:03:53,544 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:03:53,545 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:03:53,576 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,577 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,577 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,579 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,583 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,583 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,587 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,588 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,588 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,598 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,598 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,600 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,601 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,604 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,604 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:03:53,606 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:03:53,620 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:03:53,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:03:53,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:03:53,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:03:53,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:03:53,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:03:53,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:03:53,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:03:53,642 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:03:53,658 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:03:53,661 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-21 22:03:53,664 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-21 22:03:53,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-10-21 22:03:53,724 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-21 22:03:53,725 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:03:53,735 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-21 22:03:53,739 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-21 22:03:55,954 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-21 22:03:56,062 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-21 22:03:56,263 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-10-21 22:03:56,263 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-21 22:03:56,269 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-21 22:03:56,326 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-21 22:03:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-21 22:03:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:03:56,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:56,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:56,341 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:56,347 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-10-21 22:03:56,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:56,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660627900] [2020-10-21 22:03:56,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:56,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660627900] [2020-10-21 22:03:56,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:56,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:03:56,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511882680] [2020-10-21 22:03:56,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:03:56,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:56,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:03:56,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:03:56,753 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-21 22:03:56,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:56,856 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-21 22:03:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:03:56,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 22:03:56,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:56,897 INFO L225 Difference]: With dead ends: 670 [2020-10-21 22:03:56,897 INFO L226 Difference]: Without dead ends: 526 [2020-10-21 22:03:56,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:03:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-21 22:03:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-21 22:03:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-21 22:03:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-21 22:03:57,010 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-21 22:03:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,011 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-21 22:03:57,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:03:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-21 22:03:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:03:57,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:03:57,015 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,015 INFO L82 PathProgramCache]: Analyzing trace with hash 839232956, now seen corresponding path program 1 times [2020-10-21 22:03:57,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897145175] [2020-10-21 22:03:57,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897145175] [2020-10-21 22:03:57,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:03:57,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584524453] [2020-10-21 22:03:57,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:03:57,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:03:57,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:03:57,088 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-21 22:03:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,130 INFO L93 Difference]: Finished difference Result 634 states and 2040 transitions. [2020-10-21 22:03:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:03:57,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:03:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,135 INFO L225 Difference]: With dead ends: 634 [2020-10-21 22:03:57,135 INFO L226 Difference]: Without dead ends: 322 [2020-10-21 22:03:57,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:57,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-10-21 22:03:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2020-10-21 22:03:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-21 22:03:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 1008 transitions. [2020-10-21 22:03:57,157 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 1008 transitions. Word has length 11 [2020-10-21 22:03:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,157 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 1008 transitions. [2020-10-21 22:03:57,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:03:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1008 transitions. [2020-10-21 22:03:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:03:57,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:03:57,160 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1127842304, now seen corresponding path program 1 times [2020-10-21 22:03:57,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15812173] [2020-10-21 22:03:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15812173] [2020-10-21 22:03:57,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:03:57,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418072711] [2020-10-21 22:03:57,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:03:57,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:03:57,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:03:57,227 INFO L87 Difference]: Start difference. First operand 322 states and 1008 transitions. Second operand 3 states. [2020-10-21 22:03:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,236 INFO L93 Difference]: Finished difference Result 304 states and 939 transitions. [2020-10-21 22:03:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:03:57,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 22:03:57,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,239 INFO L225 Difference]: With dead ends: 304 [2020-10-21 22:03:57,239 INFO L226 Difference]: Without dead ends: 304 [2020-10-21 22:03:57,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:03:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-21 22:03:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-10-21 22:03:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-21 22:03:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 939 transitions. [2020-10-21 22:03:57,254 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 939 transitions. Word has length 12 [2020-10-21 22:03:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,255 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 939 transitions. [2020-10-21 22:03:57,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:03:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 939 transitions. [2020-10-21 22:03:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:03:57,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:03:57,258 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1624168671, now seen corresponding path program 1 times [2020-10-21 22:03:57,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358722501] [2020-10-21 22:03:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358722501] [2020-10-21 22:03:57,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:03:57,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649406025] [2020-10-21 22:03:57,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:03:57,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:03:57,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:03:57,343 INFO L87 Difference]: Start difference. First operand 304 states and 939 transitions. Second operand 4 states. [2020-10-21 22:03:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,365 INFO L93 Difference]: Finished difference Result 406 states and 1208 transitions. [2020-10-21 22:03:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:03:57,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:03:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,368 INFO L225 Difference]: With dead ends: 406 [2020-10-21 22:03:57,368 INFO L226 Difference]: Without dead ends: 226 [2020-10-21 22:03:57,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:57,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-21 22:03:57,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-21 22:03:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-21 22:03:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-10-21 22:03:57,378 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-10-21 22:03:57,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,378 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-10-21 22:03:57,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:03:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-10-21 22:03:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:03:57,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:03:57,381 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-10-21 22:03:57,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55145673] [2020-10-21 22:03:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55145673] [2020-10-21 22:03:57,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:03:57,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797585064] [2020-10-21 22:03:57,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:03:57,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:03:57,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:03:57,467 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 4 states. [2020-10-21 22:03:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,514 INFO L93 Difference]: Finished difference Result 287 states and 773 transitions. [2020-10-21 22:03:57,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:03:57,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 22:03:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,517 INFO L225 Difference]: With dead ends: 287 [2020-10-21 22:03:57,517 INFO L226 Difference]: Without dead ends: 206 [2020-10-21 22:03:57,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-21 22:03:57,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-21 22:03:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-21 22:03:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 559 transitions. [2020-10-21 22:03:57,526 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 559 transitions. Word has length 14 [2020-10-21 22:03:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,526 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 559 transitions. [2020-10-21 22:03:57,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:03:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 559 transitions. [2020-10-21 22:03:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:03:57,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:03:57,529 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1148644205, now seen corresponding path program 1 times [2020-10-21 22:03:57,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007258540] [2020-10-21 22:03:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007258540] [2020-10-21 22:03:57,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:03:57,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5364316] [2020-10-21 22:03:57,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:03:57,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:03:57,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:57,623 INFO L87 Difference]: Start difference. First operand 206 states and 559 transitions. Second operand 5 states. [2020-10-21 22:03:57,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,691 INFO L93 Difference]: Finished difference Result 227 states and 565 transitions. [2020-10-21 22:03:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:03:57,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 22:03:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,693 INFO L225 Difference]: With dead ends: 227 [2020-10-21 22:03:57,693 INFO L226 Difference]: Without dead ends: 162 [2020-10-21 22:03:57,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:03:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-21 22:03:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-21 22:03:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-21 22:03:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-10-21 22:03:57,702 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 15 [2020-10-21 22:03:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,703 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-10-21 22:03:57,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:03:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-10-21 22:03:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:03:57,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:03:57,705 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-10-21 22:03:57,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233719756] [2020-10-21 22:03:57,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:57,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233719756] [2020-10-21 22:03:57,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:57,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:03:57,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175486002] [2020-10-21 22:03:57,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:03:57,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:57,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:03:57,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:03:57,835 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 6 states. [2020-10-21 22:03:57,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:57,906 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-10-21 22:03:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:03:57,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:03:57,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:57,908 INFO L225 Difference]: With dead ends: 158 [2020-10-21 22:03:57,908 INFO L226 Difference]: Without dead ends: 125 [2020-10-21 22:03:57,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:03:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-21 22:03:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-21 22:03:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-21 22:03:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-10-21 22:03:57,914 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-10-21 22:03:57,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:57,915 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-10-21 22:03:57,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:03:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-10-21 22:03:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:03:57,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:57,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:57,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:03:57,916 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:57,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:57,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-10-21 22:03:57,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:57,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24302078] [2020-10-21 22:03:57,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:58,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24302078] [2020-10-21 22:03:58,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:58,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:03:58,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656556172] [2020-10-21 22:03:58,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:03:58,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:03:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:03:58,042 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 7 states. [2020-10-21 22:03:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:58,108 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-10-21 22:03:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:03:58,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 22:03:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:58,111 INFO L225 Difference]: With dead ends: 120 [2020-10-21 22:03:58,111 INFO L226 Difference]: Without dead ends: 111 [2020-10-21 22:03:58,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:03:58,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-21 22:03:58,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-21 22:03:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-21 22:03:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-10-21 22:03:58,116 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-10-21 22:03:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:58,117 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-10-21 22:03:58,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:03:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-10-21 22:03:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 22:03:58,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:58,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:58,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:03:58,118 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-10-21 22:03:58,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:58,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968373988] [2020-10-21 22:03:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:58,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968373988] [2020-10-21 22:03:58,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:58,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:03:58,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641270694] [2020-10-21 22:03:58,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:03:58,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:58,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:03:58,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:03:58,153 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-10-21 22:03:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:58,168 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-10-21 22:03:58,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:03:58,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-21 22:03:58,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:58,169 INFO L225 Difference]: With dead ends: 144 [2020-10-21 22:03:58,169 INFO L226 Difference]: Without dead ends: 71 [2020-10-21 22:03:58,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-21 22:03:58,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-21 22:03:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-21 22:03:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-21 22:03:58,173 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-10-21 22:03:58,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:58,173 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-21 22:03:58,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:03:58,174 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-21 22:03:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 22:03:58,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:03:58,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:03:58,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:03:58,175 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:03:58,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:03:58,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-10-21 22:03:58,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:03:58,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707350992] [2020-10-21 22:03:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:03:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:03:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:03:58,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707350992] [2020-10-21 22:03:58,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:03:58,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:03:58,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909838300] [2020-10-21 22:03:58,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:03:58,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:03:58,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:03:58,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:03:58,210 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-21 22:03:58,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:03:58,221 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-21 22:03:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:03:58,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-21 22:03:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:03:58,222 INFO L225 Difference]: With dead ends: 70 [2020-10-21 22:03:58,222 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 22:03:58,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:03:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 22:03:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 22:03:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 22:03:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 22:03:58,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-21 22:03:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:03:58,224 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 22:03:58,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:03:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 22:03:58,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 22:03:58,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:03:58,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:03:58 BasicIcfg [2020-10-21 22:03:58,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:03:58,231 INFO L168 Benchmark]: Toolchain (without parser) took 6132.19 ms. Allocated memory was 138.4 MB in the beginning and 296.2 MB in the end (delta: 157.8 MB). Free memory was 100.0 MB in the beginning and 139.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,232 INFO L168 Benchmark]: CDTParser took 2.59 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.7 MB in the beginning and 157.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,234 INFO L168 Benchmark]: Boogie Preprocessor took 31.29 ms. Allocated memory is still 202.4 MB. Free memory was 155.7 MB in the beginning and 153.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,235 INFO L168 Benchmark]: RCFGBuilder took 562.45 ms. Allocated memory is still 202.4 MB. Free memory was 153.8 MB in the beginning and 127.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,236 INFO L168 Benchmark]: TraceAbstraction took 4714.20 ms. Allocated memory was 202.4 MB in the beginning and 296.2 MB in the end (delta: 93.8 MB). Free memory was 127.7 MB in the beginning and 139.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:03:58,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.59 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.7 MB in the beginning and 157.7 MB in the end (delta: -59.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.64 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.29 ms. Allocated memory is still 202.4 MB. Free memory was 155.7 MB in the beginning and 153.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 562.45 ms. Allocated memory is still 202.4 MB. Free memory was 153.8 MB in the beginning and 127.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4714.20 ms. Allocated memory was 202.4 MB in the beginning and 296.2 MB in the end (delta: 93.8 MB). Free memory was 127.7 MB in the beginning and 139.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1383 VarBasedMoverChecksPositive, 68 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 112 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 209 SDtfs, 230 SDslu, 310 SDs, 0 SdLazy, 184 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 5985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...