/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 21:13:43,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 21:13:43,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 21:13:43,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 21:13:43,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 21:13:43,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 21:13:43,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 21:13:43,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 21:13:43,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 21:13:43,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 21:13:43,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 21:13:43,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 21:13:43,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 21:13:43,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 21:13:43,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 21:13:43,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 21:13:43,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 21:13:43,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 21:13:43,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 21:13:43,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 21:13:43,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 21:13:43,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 21:13:43,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 21:13:43,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 21:13:43,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 21:13:43,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 21:13:43,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 21:13:43,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 21:13:43,735 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-MCRwithoutDepranks-Lazy.epf [2022-02-16 21:13:43,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 21:13:43,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 21:13:43,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 21:13:43,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 21:13:43,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 21:13:43,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 21:13:43,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 21:13:43,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 21:13:43,757 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 21:13:43,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 21:13:43,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 21:13:43,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 21:13:43,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 21:13:43,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 21:13:43,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 21:13:43,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 21:13:43,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 21:13:43,759 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 21:13:43,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 21:13:43,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 21:13:43,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 21:13:43,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 21:13:43,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 21:13:43,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 21:13:43,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 21:13:43,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 21:13:43,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 21:13:43,761 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 21:13:43,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 21:13:43,762 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 21:13:43,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 21:13:43,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 21:13:43,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 21:13:43,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 21:13:43,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 21:13:43,951 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 21:13:43,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-16 21:13:43,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85d4a6e/c6af235b802247458503cd0e5739e824/FLAG9a3bfb241 [2022-02-16 21:13:44,410 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 21:13:44,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-16 21:13:44,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85d4a6e/c6af235b802247458503cd0e5739e824/FLAG9a3bfb241 [2022-02-16 21:13:44,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85d4a6e/c6af235b802247458503cd0e5739e824 [2022-02-16 21:13:44,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 21:13:44,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 21:13:44,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 21:13:44,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 21:13:44,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 21:13:44,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b841286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44, skipping insertion in model container [2022-02-16 21:13:44,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 21:13:44,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 21:13:44,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2022-02-16 21:13:44,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 21:13:44,684 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 21:13:44,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2022-02-16 21:13:44,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 21:13:44,748 INFO L208 MainTranslator]: Completed translation [2022-02-16 21:13:44,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44 WrapperNode [2022-02-16 21:13:44,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 21:13:44,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 21:13:44,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 21:13:44,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 21:13:44,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,800 INFO L137 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 122 [2022-02-16 21:13:44,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 21:13:44,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 21:13:44,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 21:13:44,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 21:13:44,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 21:13:44,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 21:13:44,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 21:13:44,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 21:13:44,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (1/1) ... [2022-02-16 21:13:44,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 21:13:44,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:13:44,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 21:13:44,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 21:13:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2022-02-16 21:13:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2022-02-16 21:13:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2022-02-16 21:13:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2022-02-16 21:13:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 21:13:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 21:13:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 21:13:44,892 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 21:13:44,969 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 21:13:44,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 21:13:45,127 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 21:13:45,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 21:13:45,161 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-16 21:13:45,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:13:45 BoogieIcfgContainer [2022-02-16 21:13:45,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 21:13:45,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 21:13:45,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 21:13:45,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 21:13:45,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 09:13:44" (1/3) ... [2022-02-16 21:13:45,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3233d2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:13:45, skipping insertion in model container [2022-02-16 21:13:45,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:13:44" (2/3) ... [2022-02-16 21:13:45,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3233d2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:13:45, skipping insertion in model container [2022-02-16 21:13:45,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:13:45" (3/3) ... [2022-02-16 21:13:45,189 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2022-02-16 21:13:45,197 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 21:13:45,197 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 21:13:45,197 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-16 21:13:45,197 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 21:13:45,262 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,263 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,263 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,263 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,263 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,264 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,264 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,264 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,265 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,265 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,265 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,265 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,266 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,266 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,267 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,268 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,268 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,268 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,268 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,272 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,272 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,272 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,272 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,274 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,274 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,274 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,274 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 21:13:45,277 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 21:13:45,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 21:13:45,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:13:45,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 21:13:45,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 21:13:45,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 21:13:45,377 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 21:13:45,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-16 21:13:45,579 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 141 transitions and produced 142 states. [2022-02-16 21:13:45,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:13:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:13:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash 147863799, now seen corresponding path program 1 times [2022-02-16 21:13:45,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:13:45,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596734770] [2022-02-16 21:13:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:45,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:13:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:13:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:13:45,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:13:45,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596734770] [2022-02-16 21:13:45,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596734770] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 21:13:45,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 21:13:45,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 21:13:45,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763806867] [2022-02-16 21:13:45,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 21:13:45,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 21:13:45,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:13:45,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 21:13:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 21:13:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:45,775 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:13:45,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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) [2022-02-16 21:13:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:45,882 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 141 transitions and produced 142 states. [2022-02-16 21:13:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:45,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 21:13:45,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:13:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:13:45,886 INFO L85 PathProgramCache]: Analyzing trace with hash 700974173, now seen corresponding path program 1 times [2022-02-16 21:13:45,886 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:13:45,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001839510] [2022-02-16 21:13:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:45,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:13:45,956 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:13:45,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44845532] [2022-02-16 21:13:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:45,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:13:45,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:13:45,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:13:45,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 21:13:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:13:46,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-16 21:13:46,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 21:13:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:13:46,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 21:13:46,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:13:46,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001839510] [2022-02-16 21:13:46,823 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-16 21:13:46,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44845532] [2022-02-16 21:13:46,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44845532] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 21:13:46,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 21:13:46,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-16 21:13:46,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776035176] [2022-02-16 21:13:46,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 21:13:46,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-16 21:13:46,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:13:46,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-16 21:13:46,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-02-16 21:13:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:46,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:13:46,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 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) [2022-02-16 21:13:46,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:46,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:47,465 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 148 transitions and produced 149 states. [2022-02-16 21:13:47,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:13:47,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 21:13:47,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-16 21:13:47,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:13:47,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:13:47,681 INFO L85 PathProgramCache]: Analyzing trace with hash 155644565, now seen corresponding path program 1 times [2022-02-16 21:13:47,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:13:47,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958934610] [2022-02-16 21:13:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:47,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:13:47,736 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:13:47,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239506541] [2022-02-16 21:13:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:47,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:13:47,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:13:47,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:13:47,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 21:13:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:13:47,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-16 21:13:47,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 21:13:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:13:48,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 21:13:48,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:13:48,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958934610] [2022-02-16 21:13:48,329 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-16 21:13:48,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239506541] [2022-02-16 21:13:48,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239506541] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 21:13:48,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 21:13:48,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-16 21:13:48,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456603071] [2022-02-16 21:13:48,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 21:13:48,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-16 21:13:48,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:13:48,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-16 21:13:48,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-02-16 21:13:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:48,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:13:48,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 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) [2022-02-16 21:13:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:13:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:49,058 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 151 transitions and produced 152 states. [2022-02-16 21:13:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:13:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-16 21:13:49,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-16 21:13:49,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:13:49,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:13:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:13:49,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1834907792, now seen corresponding path program 1 times [2022-02-16 21:13:49,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:13:49,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183056546] [2022-02-16 21:13:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:49,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:13:49,303 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:13:49,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631629044] [2022-02-16 21:13:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:13:49,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:13:49,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:13:49,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:13:49,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 21:13:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:13:49,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-16 21:13:49,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 21:13:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:13:50,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 21:13:50,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:13:50,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183056546] [2022-02-16 21:13:50,495 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-16 21:13:50,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631629044] [2022-02-16 21:13:50,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631629044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 21:13:50,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 21:13:50,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-02-16 21:13:50,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746015764] [2022-02-16 21:13:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 21:13:50,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-16 21:13:50,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:13:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-16 21:13:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2022-02-16 21:13:50,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:50,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:13:50,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 22 states have internal predecessors, (117), 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) [2022-02-16 21:13:50,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:13:50,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:13:50,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-16 21:13:50,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:16:11,094 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8209 transitions and produced 8210 states. [2022-02-16 21:16:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:16:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:16:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-16 21:16:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 21:16:11,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 21:16:11,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:16:11,296 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:16:11,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:16:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1002552133, now seen corresponding path program 1 times [2022-02-16 21:16:11,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:16:11,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458604188] [2022-02-16 21:16:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:16:11,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:16:11,321 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:16:11,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971960371] [2022-02-16 21:16:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:16:11,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:16:11,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:16:11,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:16:11,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 21:16:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:16:11,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-16 21:16:11,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 21:16:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:16:12,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 21:16:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 21:16:32,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:16:32,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458604188] [2022-02-16 21:16:32,894 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-16 21:16:32,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971960371] [2022-02-16 21:16:32,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971960371] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 21:16:32,894 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-16 21:16:32,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 33 [2022-02-16 21:16:32,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416398134] [2022-02-16 21:16:32,895 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-16 21:16:32,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-16 21:16:32,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:16:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-16 21:16:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=958, Unknown=5, NotChecked=0, Total=1056 [2022-02-16 21:16:32,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:16:32,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:16:32,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.606060606060606) internal successors, (185), 33 states have internal predecessors, (185), 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) [2022-02-16 21:16:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:16:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:16:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-16 21:16:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 21:16:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:16:34,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:16:37,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:16:40,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:16:42,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:19:12,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:19:46,100 WARN L228 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 94 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:20:07,820 WARN L228 SmtUtils]: Spent 19.24s on a formula simplification. DAG size of input: 100 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:20:19,753 WARN L228 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 108 DAG size of output: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:20:27,537 WARN L228 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 102 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:20:40,494 WARN L228 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 94 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:20:56,085 WARN L228 SmtUtils]: Spent 14.64s on a formula simplification. DAG size of input: 97 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:21:15,225 WARN L228 SmtUtils]: Spent 18.88s on a formula simplification. DAG size of input: 99 DAG size of output: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:21:17,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:21:19,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:21:22,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-16 21:21:36,787 WARN L228 SmtUtils]: Spent 14.15s on a formula simplification. DAG size of input: 97 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-16 21:21:37,012 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8215 transitions and produced 8216 states. [2022-02-16 21:21:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:21:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:21:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-16 21:21:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 21:21:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-16 21:21:37,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 21:21:37,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:21:37,216 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:21:37,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:21:37,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1855386739, now seen corresponding path program 1 times [2022-02-16 21:21:37,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:21:37,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986923993] [2022-02-16 21:21:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:21:37,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:21:37,249 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:21:37,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610600553] [2022-02-16 21:21:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:21:37,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:21:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:21:37,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:21:37,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 21:21:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:21:37,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-16 21:21:37,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 21:21:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-16 21:21:38,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 21:21:38,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 21:21:38,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986923993] [2022-02-16 21:21:38,127 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-16 21:21:38,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610600553] [2022-02-16 21:21:38,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610600553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 21:21:38,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 21:21:38,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-16 21:21:38,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811161419] [2022-02-16 21:21:38,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 21:21:38,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-16 21:21:38,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 21:21:38,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-16 21:21:38,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-02-16 21:21:38,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:21:38,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 21:21:38,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0625) internal successors, (113), 16 states have internal predecessors, (113), 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) [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-16 21:21:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:24:08,677 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8220 transitions and produced 8221 states. [2022-02-16 21:24:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 21:24:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-16 21:24:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 21:24:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 21:24:08,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-16 21:24:08,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-16 21:24:08,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-16 21:24:08,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:24:08,881 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-16 21:24:08,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 21:24:08,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2116801842, now seen corresponding path program 1 times [2022-02-16 21:24:08,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 21:24:08,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519686362] [2022-02-16 21:24:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:24:08,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 21:24:08,896 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-16 21:24:08,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800760383] [2022-02-16 21:24:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 21:24:08,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:24:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 21:24:08,898 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 21:24:08,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 21:24:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 21:24:09,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-16 21:24:09,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-16 21:26:02,827 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 21:26:02,827 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 21:26:02,829 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-16 21:26:02,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 21:26:02,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 21:26:02,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 21:26:03,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 21:26:03,049 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. [2022-02-16 21:26:03,050 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-16 21:26:03,051 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-16 21:26:03,051 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 5 remaining) [2022-02-16 21:26:03,054 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 5 remaining) [2022-02-16 21:26:03,062 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-02-16 21:26:03,064 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 21:26:03,064 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 21:26:03,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 09:26:03 BasicIcfg [2022-02-16 21:26:03,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 21:26:03,066 INFO L158 Benchmark]: Toolchain (without parser) took 738633.30ms. Allocated memory was 215.0MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 190.2MB in the beginning and 644.3MB in the end (delta: -454.1MB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-02-16 21:26:03,066 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 178.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 21:26:03,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 215.0MB. Free memory was 190.0MB in the beginning and 179.4MB in the end (delta: 10.6MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-02-16 21:26:03,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.09ms. Allocated memory is still 215.0MB. Free memory was 179.4MB in the beginning and 177.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 21:26:03,067 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 215.0MB. Free memory was 177.2MB in the beginning and 175.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 21:26:03,067 INFO L158 Benchmark]: RCFGBuilder took 338.00ms. Allocated memory is still 215.0MB. Free memory was 175.5MB in the beginning and 159.3MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-16 21:26:03,067 INFO L158 Benchmark]: TraceAbstraction took 737896.65ms. Allocated memory was 215.0MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 158.8MB in the beginning and 644.3MB in the end (delta: -485.5MB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-02-16 21:26:03,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 178.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 215.0MB. Free memory was 190.0MB in the beginning and 179.4MB in the end (delta: 10.6MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.09ms. Allocated memory is still 215.0MB. Free memory was 179.4MB in the beginning and 177.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 215.0MB. Free memory was 177.2MB in the beginning and 175.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 338.00ms. Allocated memory is still 215.0MB. Free memory was 175.5MB in the beginning and 159.3MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 737896.65ms. Allocated memory was 215.0MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 158.8MB in the beginning and 644.3MB in the end (delta: -485.5MB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 34ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 156 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 737.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 596.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.4s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 6702 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1186 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown