/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 07:29:07,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 07:29:07,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 07:29:07,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 07:29:07,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 07:29:07,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 07:29:07,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 07:29:07,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 07:29:07,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 07:29:07,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 07:29:07,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 07:29:07,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 07:29:07,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 07:29:07,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 07:29:07,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 07:29:07,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 07:29:07,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 07:29:07,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 07:29:07,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 07:29:07,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 07:29:07,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 07:29:07,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 07:29:07,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 07:29:07,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 07:29:07,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 07:29:07,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 07:29:07,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 07:29:07,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 07:29:07,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 07:29:07,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 07:29:07,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 07:29:07,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 07:29:07,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 07:29:07,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 07:29:07,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 07:29:07,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 07:29:07,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-06-13 07:29:07,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 07:29:07,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 07:29:07,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 07:29:07,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 07:29:07,822 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 07:29:07,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 07:29:07,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 07:29:07,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 07:29:07,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 07:29:07,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 07:29:07,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 07:29:07,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 07:29:07,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 07:29:07,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 07:29:07,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 07:29:07,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 07:29:07,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 07:29:07,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 07:29:07,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 07:29:08,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 07:29:08,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 07:29:08,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 07:29:08,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 07:29:08,103 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 07:29:08,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-13 07:29:08,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299397b24/9656b4f1023d45f29e0578d53fb2ae53/FLAG21f365ef2 [2021-06-13 07:29:08,607 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 07:29:08,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-13 07:29:08,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299397b24/9656b4f1023d45f29e0578d53fb2ae53/FLAG21f365ef2 [2021-06-13 07:29:09,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299397b24/9656b4f1023d45f29e0578d53fb2ae53 [2021-06-13 07:29:09,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 07:29:09,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 07:29:09,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 07:29:09,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 07:29:09,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 07:29:09,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0c1bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09, skipping insertion in model container [2021-06-13 07:29:09,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 07:29:09,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 07:29:09,298 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i[949,962] [2021-06-13 07:29:09,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:29:09,427 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 07:29:09,435 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i[949,962] [2021-06-13 07:29:09,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 07:29:09,517 INFO L208 MainTranslator]: Completed translation [2021-06-13 07:29:09,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09 WrapperNode [2021-06-13 07:29:09,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 07:29:09,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 07:29:09,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 07:29:09,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 07:29:09,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 07:29:09,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 07:29:09,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 07:29:09,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 07:29:09,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (1/1) ... [2021-06-13 07:29:09,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 07:29:09,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 07:29:09,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 07:29:09,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 07:29:09,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (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 [2021-06-13 07:29:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 07:29:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 07:29:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 07:29:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 07:29:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 07:29:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 07:29:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 07:29:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 07:29:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 07:29:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 07:29:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 07:29:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 07:29:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 07:29:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 07:29:09,623 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 07:29:09,918 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 07:29:09,918 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 07:29:09,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:29:09 BoogieIcfgContainer [2021-06-13 07:29:09,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 07:29:09,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 07:29:09,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 07:29:09,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 07:29:09,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:29:09" (1/3) ... [2021-06-13 07:29:09,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087fd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:29:09, skipping insertion in model container [2021-06-13 07:29:09,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:29:09" (2/3) ... [2021-06-13 07:29:09,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1087fd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:29:09, skipping insertion in model container [2021-06-13 07:29:09,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:29:09" (3/3) ... [2021-06-13 07:29:09,925 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2021-06-13 07:29:09,928 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 07:29:09,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 07:29:09,929 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 07:29:09,947 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,950 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,956 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,956 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,957 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 07:29:09,959 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 07:29:09,974 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-13 07:29:09,987 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 07:29:09,987 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 07:29:09,987 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 07:29:09,987 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 07:29:09,987 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 07:29:09,987 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 07:29:09,987 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 07:29:09,987 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 07:29:10,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 85 transitions, 185 flow [2021-06-13 07:29:10,026 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-06-13 07:29:10,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:29:10,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-06-13 07:29:10,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 85 transitions, 185 flow [2021-06-13 07:29:10,032 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 70 transitions, 149 flow [2021-06-13 07:29:10,045 INFO L129 PetriNetUnfolder]: 1/69 cut-off events. [2021-06-13 07:29:10,046 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:29:10,046 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:29:10,046 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:29:10,047 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:29:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:29:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-06-13 07:29:10,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:29:10,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615620752] [2021-06-13 07:29:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:29:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:29:10,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:10,270 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:29:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:29:10,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:29:10,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:29:10,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615620752] [2021-06-13 07:29:10,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615620752] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:29:10,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:29:10,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:29:10,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80343376] [2021-06-13 07:29:10,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:29:10,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:29:10,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:29:10,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:29:10,337 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 85 [2021-06-13 07:29:10,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 70 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:29:10,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 85 [2021-06-13 07:29:10,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:29:10,466 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2021-06-13 07:29:10,470 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 07:29:10,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 0 based on Foata normal form. 4/87 useless extension candidates. Maximal degree in co-relation 82. Up to 7 conditions per place. [2021-06-13 07:29:10,471 INFO L132 encePairwiseOnDemand]: 78/85 looper letters, 6 selfloop transitions, 2 changer transitions 11/79 dead transitions. [2021-06-13 07:29:10,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 79 transitions, 203 flow [2021-06-13 07:29:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:29:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:29:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 679 transitions. [2021-06-13 07:29:10,487 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8875816993464052 [2021-06-13 07:29:10,487 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 679 transitions. [2021-06-13 07:29:10,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 679 transitions. [2021-06-13 07:29:10,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:29:10,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 679 transitions. [2021-06-13 07:29:10,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 75.44444444444444) internal successors, (679), 9 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,507 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,508 INFO L185 Difference]: Start difference. First operand has 79 places, 70 transitions, 149 flow. Second operand 9 states and 679 transitions. [2021-06-13 07:29:10,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 79 transitions, 203 flow [2021-06-13 07:29:10,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-13 07:29:10,518 INFO L241 Difference]: Finished difference. Result has 91 places, 68 transitions, 162 flow [2021-06-13 07:29:10,520 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=162, PETRI_PLACES=91, PETRI_TRANSITIONS=68} [2021-06-13 07:29:10,520 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 12 predicate places. [2021-06-13 07:29:10,520 INFO L482 AbstractCegarLoop]: Abstraction has has 91 places, 68 transitions, 162 flow [2021-06-13 07:29:10,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,521 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:29:10,521 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:29:10,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 07:29:10,521 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:29:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:29:10,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1377078887, now seen corresponding path program 1 times [2021-06-13 07:29:10,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:29:10,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642367411] [2021-06-13 07:29:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:29:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:29:10,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:10,616 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:29:10,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:29:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:29:10,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:29:10,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642367411] [2021-06-13 07:29:10,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642367411] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:29:10,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:29:10,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 07:29:10,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137896498] [2021-06-13 07:29:10,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 07:29:10,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:29:10,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 07:29:10,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 07:29:10,673 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 85 [2021-06-13 07:29:10,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 68 transitions, 162 flow. Second operand has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:29:10,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 85 [2021-06-13 07:29:10,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:29:10,764 INFO L129 PetriNetUnfolder]: 3/83 cut-off events. [2021-06-13 07:29:10,765 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-06-13 07:29:10,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 83 events. 3/83 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 2/85 useless extension candidates. Maximal degree in co-relation 122. Up to 7 conditions per place. [2021-06-13 07:29:10,766 INFO L132 encePairwiseOnDemand]: 79/85 looper letters, 6 selfloop transitions, 2 changer transitions 10/78 dead transitions. [2021-06-13 07:29:10,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 78 transitions, 236 flow [2021-06-13 07:29:10,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 07:29:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-13 07:29:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 677 transitions. [2021-06-13 07:29:10,768 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8849673202614379 [2021-06-13 07:29:10,769 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 677 transitions. [2021-06-13 07:29:10,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 677 transitions. [2021-06-13 07:29:10,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:29:10,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 677 transitions. [2021-06-13 07:29:10,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 75.22222222222223) internal successors, (677), 9 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,772 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,772 INFO L185 Difference]: Start difference. First operand has 91 places, 68 transitions, 162 flow. Second operand 9 states and 677 transitions. [2021-06-13 07:29:10,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 78 transitions, 236 flow [2021-06-13 07:29:10,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 78 transitions, 204 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-06-13 07:29:10,776 INFO L241 Difference]: Finished difference. Result has 91 places, 68 transitions, 166 flow [2021-06-13 07:29:10,776 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=166, PETRI_PLACES=91, PETRI_TRANSITIONS=68} [2021-06-13 07:29:10,777 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 12 predicate places. [2021-06-13 07:29:10,777 INFO L482 AbstractCegarLoop]: Abstraction has has 91 places, 68 transitions, 166 flow [2021-06-13 07:29:10,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,777 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:29:10,777 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:29:10,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 07:29:10,778 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:29:10,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:29:10,785 INFO L82 PathProgramCache]: Analyzing trace with hash -102130294, now seen corresponding path program 1 times [2021-06-13 07:29:10,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:29:10,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731846308] [2021-06-13 07:29:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:29:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:29:10,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:10,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:10,885 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:29:10,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:29:10,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:29:10,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:29:10,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731846308] [2021-06-13 07:29:10,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731846308] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:29:10,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:29:10,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:29:10,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320936077] [2021-06-13 07:29:10,922 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:29:10,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:29:10,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:29:10,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:29:10,924 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 85 [2021-06-13 07:29:10,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 68 transitions, 166 flow. Second operand has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:10,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:29:10,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 85 [2021-06-13 07:29:10,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:29:11,086 INFO L129 PetriNetUnfolder]: 4/89 cut-off events. [2021-06-13 07:29:11,087 INFO L130 PetriNetUnfolder]: For 23/30 co-relation queries the response was YES. [2021-06-13 07:29:11,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 89 events. 4/89 cut-off events. For 23/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 0 based on Foata normal form. 2/91 useless extension candidates. Maximal degree in co-relation 140. Up to 7 conditions per place. [2021-06-13 07:29:11,087 INFO L132 encePairwiseOnDemand]: 77/85 looper letters, 6 selfloop transitions, 4 changer transitions 12/80 dead transitions. [2021-06-13 07:29:11,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 80 transitions, 261 flow [2021-06-13 07:29:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:29:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:29:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 734 transitions. [2021-06-13 07:29:11,102 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8635294117647059 [2021-06-13 07:29:11,102 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:29:11,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 73.4) internal successors, (734), 10 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,106 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,106 INFO L185 Difference]: Start difference. First operand has 91 places, 68 transitions, 166 flow. Second operand 10 states and 734 transitions. [2021-06-13 07:29:11,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 80 transitions, 261 flow [2021-06-13 07:29:11,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 80 transitions, 227 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-06-13 07:29:11,108 INFO L241 Difference]: Finished difference. Result has 94 places, 68 transitions, 180 flow [2021-06-13 07:29:11,109 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=180, PETRI_PLACES=94, PETRI_TRANSITIONS=68} [2021-06-13 07:29:11,109 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 15 predicate places. [2021-06-13 07:29:11,109 INFO L482 AbstractCegarLoop]: Abstraction has has 94 places, 68 transitions, 180 flow [2021-06-13 07:29:11,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,109 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:29:11,109 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:29:11,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 07:29:11,110 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:29:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:29:11,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1695077243, now seen corresponding path program 1 times [2021-06-13 07:29:11,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:29:11,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278548680] [2021-06-13 07:29:11,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:29:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:29:11,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:11,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:11,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:11,168 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:29:11,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:29:11,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:11,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:29:11,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:29:11,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278548680] [2021-06-13 07:29:11,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278548680] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:29:11,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:29:11,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:29:11,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884598843] [2021-06-13 07:29:11,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:29:11,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:29:11,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:29:11,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:29:11,199 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 85 [2021-06-13 07:29:11,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 68 transitions, 180 flow. Second operand has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:29:11,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 85 [2021-06-13 07:29:11,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:29:11,322 INFO L129 PetriNetUnfolder]: 4/89 cut-off events. [2021-06-13 07:29:11,322 INFO L130 PetriNetUnfolder]: For 55/60 co-relation queries the response was YES. [2021-06-13 07:29:11,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 89 events. 4/89 cut-off events. For 55/60 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 135 event pairs, 0 based on Foata normal form. 3/92 useless extension candidates. Maximal degree in co-relation 150. Up to 7 conditions per place. [2021-06-13 07:29:11,323 INFO L132 encePairwiseOnDemand]: 77/85 looper letters, 6 selfloop transitions, 4 changer transitions 12/80 dead transitions. [2021-06-13 07:29:11,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 80 transitions, 281 flow [2021-06-13 07:29:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:29:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:29:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 734 transitions. [2021-06-13 07:29:11,325 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8635294117647059 [2021-06-13 07:29:11,325 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:29:11,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 734 transitions. [2021-06-13 07:29:11,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 73.4) internal successors, (734), 10 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,328 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,328 INFO L185 Difference]: Start difference. First operand has 94 places, 68 transitions, 180 flow. Second operand 10 states and 734 transitions. [2021-06-13 07:29:11,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 80 transitions, 281 flow [2021-06-13 07:29:11,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 231 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-06-13 07:29:11,331 INFO L241 Difference]: Finished difference. Result has 95 places, 68 transitions, 184 flow [2021-06-13 07:29:11,331 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=184, PETRI_PLACES=95, PETRI_TRANSITIONS=68} [2021-06-13 07:29:11,331 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 16 predicate places. [2021-06-13 07:29:11,331 INFO L482 AbstractCegarLoop]: Abstraction has has 95 places, 68 transitions, 184 flow [2021-06-13 07:29:11,332 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,332 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 07:29:11,332 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 07:29:11,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 07:29:11,332 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 07:29:11,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 07:29:11,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1896932619, now seen corresponding path program 1 times [2021-06-13 07:29:11,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 07:29:11,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36811583] [2021-06-13 07:29:11,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 07:29:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 07:29:11,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:11,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 07:29:11,377 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-13 07:29:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 07:29:11,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:11,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 07:29:11,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 07:29:11,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 07:29:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 07:29:11,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 07:29:11,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36811583] [2021-06-13 07:29:11,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36811583] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 07:29:11,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 07:29:11,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 07:29:11,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389695879] [2021-06-13 07:29:11,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 07:29:11,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 07:29:11,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 07:29:11,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 07:29:11,418 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 85 [2021-06-13 07:29:11,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 68 transitions, 184 flow. Second operand has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 07:29:11,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 85 [2021-06-13 07:29:11,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 07:29:11,539 INFO L129 PetriNetUnfolder]: 4/83 cut-off events. [2021-06-13 07:29:11,539 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-06-13 07:29:11,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 83 events. 4/83 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 2/85 useless extension candidates. Maximal degree in co-relation 133. Up to 5 conditions per place. [2021-06-13 07:29:11,540 INFO L132 encePairwiseOnDemand]: 78/85 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2021-06-13 07:29:11,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 73 transitions, 238 flow [2021-06-13 07:29:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 07:29:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-13 07:29:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 728 transitions. [2021-06-13 07:29:11,543 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8564705882352941 [2021-06-13 07:29:11,543 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 728 transitions. [2021-06-13 07:29:11,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 728 transitions. [2021-06-13 07:29:11,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 07:29:11,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 728 transitions. [2021-06-13 07:29:11,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 72.8) internal successors, (728), 10 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,546 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,547 INFO L185 Difference]: Start difference. First operand has 95 places, 68 transitions, 184 flow. Second operand 10 states and 728 transitions. [2021-06-13 07:29:11,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 73 transitions, 238 flow [2021-06-13 07:29:11,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 73 transitions, 204 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-06-13 07:29:11,548 INFO L241 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2021-06-13 07:29:11,548 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2021-06-13 07:29:11,548 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 9 predicate places. [2021-06-13 07:29:11,548 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2021-06-13 07:29:11,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 72.28571428571429) internal successors, (506), 7 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 07:29:11,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 07:29:11,550 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 07:29:11,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:29:11 BasicIcfg [2021-06-13 07:29:11,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 07:29:11,553 INFO L168 Benchmark]: Toolchain (without parser) took 2421.18 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 146.9 MB in the beginning and 187.3 MB in the end (delta: -40.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:29:11,553 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 183.5 MB. Free memory is still 165.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:29:11,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.83 ms. Allocated memory is still 183.5 MB. Free memory was 146.6 MB in the beginning and 145.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 07:29:11,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 183.5 MB. Free memory was 145.0 MB in the beginning and 142.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:29:11,554 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 183.5 MB. Free memory was 142.9 MB in the beginning and 141.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 07:29:11,554 INFO L168 Benchmark]: RCFGBuilder took 355.99 ms. Allocated memory is still 183.5 MB. Free memory was 141.8 MB in the beginning and 118.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-13 07:29:11,555 INFO L168 Benchmark]: TraceAbstraction took 1631.53 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 117.7 MB in the beginning and 187.3 MB in the end (delta: -69.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 07:29:11,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 183.5 MB. Free memory is still 165.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 384.83 ms. Allocated memory is still 183.5 MB. Free memory was 146.6 MB in the beginning and 145.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 183.5 MB. Free memory was 145.0 MB in the beginning and 142.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 183.5 MB. Free memory was 142.9 MB in the beginning and 141.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 355.99 ms. Allocated memory is still 183.5 MB. Free memory was 141.8 MB in the beginning and 118.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1631.53 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 117.7 MB in the beginning and 187.3 MB in the end (delta: -69.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1564.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 746.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 107 SDslu, 133 SDs, 0 SdLazy, 120 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 553.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=4, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.7ms SsaConstructionTime, 113.1ms SatisfiabilityAnalysisTime, 520.4ms InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...