/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-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 02:12:34,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 02:12:34,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 02:12:34,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 02:12:34,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 02:12:34,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 02:12:34,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 02:12:34,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 02:12:34,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 02:12:34,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 02:12:34,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 02:12:34,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 02:12:34,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 02:12:34,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 02:12:34,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 02:12:34,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 02:12:34,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 02:12:34,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 02:12:34,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 02:12:34,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 02:12:34,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 02:12:34,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 02:12:34,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 02:12:34,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 02:12:34,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 02:12:34,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 02:12:34,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 02:12:34,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 02:12:34,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 02:12:34,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 02:12:34,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 02:12:34,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 02:12:34,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 02:12:34,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 02:12:34,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 02:12:34,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 02:12:34,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 02:12:34,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 02:12:34,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 02:12:34,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 02:12:34,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 02:12:34,425 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-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 02:12:34,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 02:12:34,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 02:12:34,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 02:12:34,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 02:12:34,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 02:12:34,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 02:12:34,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 02:12:34,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 02:12:34,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 02:12:34,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 02:12:34,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:12:34,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 02:12:34,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 02:12:34,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 02:12:34,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 02:12:34,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 02:12:34,443 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 02:12:34,443 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 02:12:34,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 02:12:34,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 02:12:34,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 02:12:34,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 02:12:34,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 02:12:34,690 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 02:12:34,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-11 02:12:34,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d2595d7/64b29db971464ff48917e55da521d383/FLAG217d8f08e [2022-02-11 02:12:35,204 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 02:12:35,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-11 02:12:35,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d2595d7/64b29db971464ff48917e55da521d383/FLAG217d8f08e [2022-02-11 02:12:35,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d2595d7/64b29db971464ff48917e55da521d383 [2022-02-11 02:12:35,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 02:12:35,239 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 02:12:35,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 02:12:35,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 02:12:35,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 02:12:35,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d9d99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35, skipping insertion in model container [2022-02-11 02:12:35,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 02:12:35,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 02:12:35,467 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] [2022-02-11 02:12:35,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:12:35,630 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 02:12:35,640 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] [2022-02-11 02:12:35,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:12:35,698 INFO L208 MainTranslator]: Completed translation [2022-02-11 02:12:35,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35 WrapperNode [2022-02-11 02:12:35,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 02:12:35,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 02:12:35,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 02:12:35,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 02:12:35,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,757 INFO L137 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 122 [2022-02-11 02:12:35,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 02:12:35,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 02:12:35,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 02:12:35,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 02:12:35,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 02:12:35,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 02:12:35,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 02:12:35,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 02:12:35,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (1/1) ... [2022-02-11 02:12:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:12:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:35,821 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) [2022-02-11 02:12:35,857 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 [2022-02-11 02:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 02:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 02:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 02:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 02:12:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 02:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2022-02-11 02:12:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2022-02-11 02:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2022-02-11 02:12:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2022-02-11 02:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 02:12:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 02:12:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 02:12:35,905 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 02:12:36,045 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 02:12:36,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 02:12:36,275 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 02:12:36,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 02:12:36,302 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 02:12:36,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:12:36 BoogieIcfgContainer [2022-02-11 02:12:36,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 02:12:36,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 02:12:36,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 02:12:36,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 02:12:36,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 02:12:35" (1/3) ... [2022-02-11 02:12:36,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc9358a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:12:36, skipping insertion in model container [2022-02-11 02:12:36,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:12:35" (2/3) ... [2022-02-11 02:12:36,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc9358a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:12:36, skipping insertion in model container [2022-02-11 02:12:36,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:12:36" (3/3) ... [2022-02-11 02:12:36,309 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2022-02-11 02:12:36,312 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 02:12:36,312 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 02:12:36,312 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-11 02:12:36,312 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 02:12:36,347 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,348 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,349 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,349 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,349 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,349 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,350 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,351 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,354 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,354 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,354 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,354 WARN L322 ript$VariableManager]: TermVariable |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,355 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,355 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,355 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,355 WARN L322 ript$VariableManager]: TermVariable |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:12:36,358 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 02:12:36,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:12:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:36,392 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) [2022-02-11 02:12:36,393 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 [2022-02-11 02:12:36,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:12:36,419 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, 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 [2022-02-11 02:12:36,419 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-11 02:12:36,530 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)] === [2022-02-11 02:12:36,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:12:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1227722255, now seen corresponding path program 1 times [2022-02-11 02:12:36,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:12:36,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498933416] [2022-02-11 02:12:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:12:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:12:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:12:36,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:12:36,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498933416] [2022-02-11 02:12:36,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498933416] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:12:36,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:12:36,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 02:12:36,708 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563916911] [2022-02-11 02:12:36,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:12:36,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 02:12:36,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:12:36,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 02:12:36,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 02:12:36,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:36,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:12:36,731 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) [2022-02-11 02:12:36,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:36,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 02:12:36,774 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)] === [2022-02-11 02:12:36,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:12:36,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1843951389, now seen corresponding path program 1 times [2022-02-11 02:12:36,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:12:36,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003519446] [2022-02-11 02:12:36,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:36,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:12:36,842 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:12:36,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752430638] [2022-02-11 02:12:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:36,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:12:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:36,845 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) [2022-02-11 02:12:36,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 02:12:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:12:37,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-11 02:12:37,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:12:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:12:37,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:12:37,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:12:37,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003519446] [2022-02-11 02:12:37,707 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-11 02:12:37,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752430638] [2022-02-11 02:12:37,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752430638] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:12:37,708 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:12:37,708 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-11 02:12:37,708 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814095396] [2022-02-11 02:12:37,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:12:37,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-11 02:12:37,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:12:37,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-11 02:12:37,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-02-11 02:12:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:37,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:12:37,710 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) [2022-02-11 02:12:37,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:37,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:12:38,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-11 02:12:38,426 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 [2022-02-11 02:12:38,427 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)] === [2022-02-11 02:12:38,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:12:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash 560364187, now seen corresponding path program 1 times [2022-02-11 02:12:38,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:12:38,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236654844] [2022-02-11 02:12:38,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:38,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:12:38,474 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:12:38,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429357521] [2022-02-11 02:12:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:38,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:12:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:38,492 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) [2022-02-11 02:12:38,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 02:12:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:12:38,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-11 02:12:38,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:12:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:12:38,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:12:38,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:12:38,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236654844] [2022-02-11 02:12:38,997 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-11 02:12:38,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429357521] [2022-02-11 02:12:38,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429357521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:12:38,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:12:38,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-11 02:12:38,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471939702] [2022-02-11 02:12:38,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:12:38,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-11 02:12:38,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:12:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-11 02:12:38,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:12:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:38,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:12:38,999 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) [2022-02-11 02:12:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:12:38,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:12:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:12:39,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 02:12:40,030 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 [2022-02-11 02:12:40,030 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)] === [2022-02-11 02:12:40,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:12:40,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1684042486, now seen corresponding path program 1 times [2022-02-11 02:12:40,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:12:40,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789631167] [2022-02-11 02:12:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:40,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:12:40,061 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:12:40,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1759603193] [2022-02-11 02:12:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:40,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:12:40,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:40,063 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) [2022-02-11 02:12:40,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 02:12:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:12:40,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-11 02:12:40,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:12:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:12:41,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:12:41,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:12:41,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789631167] [2022-02-11 02:12:41,117 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-11 02:12:41,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759603193] [2022-02-11 02:12:41,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759603193] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:12:41,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:12:41,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-02-11 02:12:41,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903828354] [2022-02-11 02:12:41,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:12:41,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-11 02:12:41,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:12:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-11 02:12:41,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2022-02-11 02:12:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:41,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:12:41,120 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) [2022-02-11 02:12:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:12:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:12:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:12:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:12:42,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:12:42,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-11 02:12:42,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 02:12:42,927 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 [2022-02-11 02:12:42,928 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)] === [2022-02-11 02:12:42,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:12:42,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2118582785, now seen corresponding path program 1 times [2022-02-11 02:12:42,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:12:42,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642445953] [2022-02-11 02:12:42,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:42,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:12:42,956 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:12:42,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178840266] [2022-02-11 02:12:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:12:42,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:12:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:12:42,957 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) [2022-02-11 02:12:42,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 02:12:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:12:43,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-11 02:12:43,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:12:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:12:44,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:13:11,844 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (or (= (mod (mod (mod (+ |c_ULTIMATE.start_main_~b_in~0#1| .cse0) 4294967296) .cse0) 4294967296) 0) (<= (div (+ (* |c_ULTIMATE.start_main_~b_in~0#1| (- 4294967295)) (- 4294967296) (* .cse0 (- 4294967295))) (- 4294967296)) (+ (div (* |c_ULTIMATE.start_main_~b_in~0#1| 4294967295) 4294967296) .cse0 1)))) is different from true [2022-02-11 02:13:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:13:24,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:13:24,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642445953] [2022-02-11 02:13:24,977 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-11 02:13:24,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178840266] [2022-02-11 02:13:24,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178840266] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:13:24,977 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:13:24,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 34 [2022-02-11 02:13:24,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866348774] [2022-02-11 02:13:24,978 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-11 02:13:24,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-11 02:13:24,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:13:24,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-11 02:13:24,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=4, NotChecked=62, Total=1122 [2022-02-11 02:13:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:13:24,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:13:24,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 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) [2022-02-11 02:13:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:13:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:13:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:13:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-11 02:13:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:13:26,983 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 [] [2022-02-11 02:13:29,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-11 02:13:35,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-11 02:13:37,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-11 02:13:53,056 WARN L228 SmtUtils]: Spent 13.44s on a formula simplification. DAG size of input: 37 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-11 02:14:08,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-11 02:14:12,741 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 [] [2022-02-11 02:14:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:14:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:14:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-11 02:14:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-11 02:14:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 02:14:54,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 02:14:54,337 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 [2022-02-11 02:14:54,337 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)] === [2022-02-11 02:14:54,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:14:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash -212720327, now seen corresponding path program 1 times [2022-02-11 02:14:54,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:14:54,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842642158] [2022-02-11 02:14:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:14:54,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:14:54,357 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:14:54,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334888007] [2022-02-11 02:14:54,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:14:54,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:14:54,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:14:54,359 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) [2022-02-11 02:14:54,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 02:14:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:14:54,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-11 02:14:54,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:14:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 02:14:55,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:14:55,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:14:55,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842642158] [2022-02-11 02:14:55,319 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-11 02:14:55,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334888007] [2022-02-11 02:14:55,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334888007] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:14:55,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:14:55,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-11 02:14:55,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136501933] [2022-02-11 02:14:55,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:14:55,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-11 02:14:55,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:14:55,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-11 02:14:55,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:14:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:14:55,323 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:14:55,323 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) [2022-02-11 02:14:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:14:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:14:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-11 02:14:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-11 02:14:55,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 02:14:55,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:14:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:14:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 02:14:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 02:14:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-11 02:14:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 02:14:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 02:14:56,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-11 02:14:57,184 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 [2022-02-11 02:14:57,184 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)] === [2022-02-11 02:14:57,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:14:57,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1669148436, now seen corresponding path program 1 times [2022-02-11 02:14:57,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:14:57,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860338001] [2022-02-11 02:14:57,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:14:57,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:14:57,199 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-11 02:14:57,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286233103] [2022-02-11 02:14:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:14:57,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:14:57,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:14:57,210 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) [2022-02-11 02:14:57,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 02:14:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:14:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-11 02:14:57,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-11 02:27:16,520 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 [2022-02-11 02:27:16,526 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 [2022-02-11 02:27:16,533 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 [2022-02-11 02:27:16,549 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-11 02:27:16,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-11 02:27:16,758 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 [2022-02-11 02:27:16,758 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. [2022-02-11 02:27:16,760 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-11 02:27:16,760 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-11 02:27:16,760 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 5 remaining) [2022-02-11 02:27:16,761 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 5 remaining) [2022-02-11 02:27:16,765 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-02-11 02:27:16,767 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 02:27:16,767 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 02:27:16,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 02:27:16 BasicIcfg [2022-02-11 02:27:16,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 02:27:16,773 INFO L158 Benchmark]: Toolchain (without parser) took 881533.35ms. Allocated memory was 181.4MB in the beginning and 358.6MB in the end (delta: 177.2MB). Free memory was 122.8MB in the beginning and 263.8MB in the end (delta: -141.0MB). Peak memory consumption was 202.9MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,780 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 02:27:16,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.85ms. Allocated memory was 181.4MB in the beginning and 298.8MB in the end (delta: 117.4MB). Free memory was 122.7MB in the beginning and 260.0MB in the end (delta: -137.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.02ms. Allocated memory is still 298.8MB. Free memory was 260.0MB in the beginning and 257.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,781 INFO L158 Benchmark]: Boogie Preprocessor took 30.09ms. Allocated memory is still 298.8MB. Free memory was 257.6MB in the beginning and 255.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,781 INFO L158 Benchmark]: RCFGBuilder took 515.21ms. Allocated memory is still 298.8MB. Free memory was 255.9MB in the beginning and 239.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,782 INFO L158 Benchmark]: TraceAbstraction took 880467.17ms. Allocated memory was 298.8MB in the beginning and 358.6MB in the end (delta: 59.8MB). Free memory was 238.6MB in the beginning and 263.8MB in the end (delta: -25.3MB). Peak memory consumption was 202.8MB. Max. memory is 8.0GB. [2022-02-11 02:27:16,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 457.85ms. Allocated memory was 181.4MB in the beginning and 298.8MB in the end (delta: 117.4MB). Free memory was 122.7MB in the beginning and 260.0MB in the end (delta: -137.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.02ms. Allocated memory is still 298.8MB. Free memory was 260.0MB in the beginning and 257.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.09ms. Allocated memory is still 298.8MB. Free memory was 257.6MB in the beginning and 255.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 515.21ms. Allocated memory is still 298.8MB. Free memory was 255.9MB in the beginning and 239.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 880467.17ms. Allocated memory was 298.8MB in the beginning and 358.6MB in the end (delta: 59.8MB). Free memory was 238.6MB in the beginning and 263.8MB in the end (delta: -25.3MB). Peak memory consumption was 202.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 931, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 202, negative conditional: 197, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 737, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 737, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 749, positive: 729, positive conditional: 344, positive unconditional: 385, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 749, positive: 729, positive conditional: 159, positive unconditional: 570, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 749, positive: 729, positive conditional: 159, positive unconditional: 570, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 290, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 749, positive: 449, positive conditional: 159, positive unconditional: 290, negative: 10, negative conditional: 7, negative unconditional: 3, unknown: 290, unknown conditional: 5, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 290, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 10, Negative conditional cache size: 5, Negative unconditional cache size: 5, Eliminated conditions: 185, Maximal queried relation: 5, Independence queries for same thread: 194 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 125, Number of trivial persistent sets: 116, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 286, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 931, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 202, negative conditional: 197, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 737, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 737, positive: 729, positive conditional: 448, positive unconditional: 281, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 749, positive: 729, positive conditional: 344, positive unconditional: 385, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 749, positive: 729, positive conditional: 159, positive unconditional: 570, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 749, positive: 729, positive conditional: 159, positive unconditional: 570, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 290, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 290, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 40, negative conditional: 12, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 749, positive: 449, positive conditional: 159, positive unconditional: 290, negative: 10, negative conditional: 7, negative unconditional: 3, unknown: 290, unknown conditional: 5, unknown unconditional: 285] , Statistics on independence cache: Total cache size (in pairs): 290, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 10, Negative conditional cache size: 5, Negative unconditional cache size: 5, Eliminated conditions: 185, Maximal queried relation: 5, Independence queries for same thread: 194 - 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-12-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 156 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 880.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 93.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 109, 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, 44.8s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 6810 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