/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 13:59:35,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 13:59:35,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 13:59:35,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 13:59:35,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 13:59:35,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 13:59:35,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 13:59:35,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 13:59:35,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 13:59:35,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 13:59:35,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 13:59:35,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 13:59:35,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 13:59:35,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 13:59:35,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 13:59:35,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 13:59:35,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 13:59:35,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 13:59:35,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 13:59:35,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 13:59:35,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 13:59:35,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 13:59:35,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 13:59:35,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 13:59:35,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-10 13:59:35,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-10 13:59:35,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-10 13:59:35,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-10 13:59:35,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-10 13:59:35,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-01-10 13:59:35,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 13:59:35,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 13:59:35,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 13:59:35,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 13:59:35,284 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 13:59:35,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 13:59:35,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 13:59:35,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 13:59:35,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 13:59:35,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 13:59:35,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 13:59:35,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 13:59:35,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 13:59:35,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 13:59:35,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:59:35,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 13:59:35,288 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 13:59:35,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 13:59:35,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 13:59:35,289 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 13:59:35,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 13:59:35,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 13:59:35,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 13:59:35,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 13:59:35,480 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 13:59:35,480 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 13:59:35,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-01-10 13:59:36,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 13:59:36,602 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 13:59:36,602 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-01-10 13:59:36,606 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328127af2/adad7dd654e443e4a5727153a42f8108/FLAG1861db095 [2023-01-10 13:59:36,616 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/328127af2/adad7dd654e443e4a5727153a42f8108 [2023-01-10 13:59:36,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 13:59:36,619 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 13:59:36,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 13:59:36,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 13:59:36,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 13:59:36,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4192fabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36, skipping insertion in model container [2023-01-10 13:59:36,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 13:59:36,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 13:59:36,742 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2023-01-10 13:59:36,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:59:36,754 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 13:59:36,771 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2023-01-10 13:59:36,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 13:59:36,786 INFO L208 MainTranslator]: Completed translation [2023-01-10 13:59:36,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36 WrapperNode [2023-01-10 13:59:36,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 13:59:36,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 13:59:36,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 13:59:36,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 13:59:36,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,812 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 200 [2023-01-10 13:59:36,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 13:59:36,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 13:59:36,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 13:59:36,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 13:59:36,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 13:59:36,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 13:59:36,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 13:59:36,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 13:59:36,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (1/1) ... [2023-01-10 13:59:36,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 13:59:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:36,874 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) [2023-01-10 13:59:36,889 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 [2023-01-10 13:59:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 13:59:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 13:59:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 13:59:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 13:59:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 13:59:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 13:59:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 13:59:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 13:59:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-10 13:59:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-10 13:59:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 13:59:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 13:59:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 13:59:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 13:59:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 13:59:36,908 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 13:59:37,005 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 13:59:37,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 13:59:37,348 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 13:59:37,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 13:59:37,356 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-01-10 13:59:37,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:59:37 BoogieIcfgContainer [2023-01-10 13:59:37,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 13:59:37,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 13:59:37,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 13:59:37,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 13:59:37,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:59:36" (1/3) ... [2023-01-10 13:59:37,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf525c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:59:37, skipping insertion in model container [2023-01-10 13:59:37,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:59:36" (2/3) ... [2023-01-10 13:59:37,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf525c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:59:37, skipping insertion in model container [2023-01-10 13:59:37,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:59:37" (3/3) ... [2023-01-10 13:59:37,367 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2023-01-10 13:59:37,373 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 13:59:37,379 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 13:59:37,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 13:59:37,380 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 13:59:37,462 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-10 13:59:37,501 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:59:37,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 13:59:37,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:37,505 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) [2023-01-10 13:59:37,507 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 [2023-01-10 13:59:37,536 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 13:59:37,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 13:59:37,545 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6709248e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 13:59:37,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 13:59:37,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:37,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2001981552, now seen corresponding path program 1 times [2023-01-10 13:59:37,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:37,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788013431] [2023-01-10 13:59:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:37,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-01-10 13:59:38,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:38,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788013431] [2023-01-10 13:59:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788013431] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:59:38,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:59:38,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 13:59:38,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438729027] [2023-01-10 13:59:38,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:59:38,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 13:59:38,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:38,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 13:59:38,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 13:59:38,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:38,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.5) internal successors, (213), 2 states have internal predecessors, (213), 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) [2023-01-10 13:59:38,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 13:59:38,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:38,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2027396495, now seen corresponding path program 1 times [2023-01-10 13:59:38,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:38,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816508074] [2023-01-10 13:59:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:38,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-01-10 13:59:38,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:38,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816508074] [2023-01-10 13:59:38,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816508074] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 13:59:38,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 13:59:38,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-01-10 13:59:38,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534687101] [2023-01-10 13:59:38,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 13:59:38,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 13:59:38,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:38,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 13:59:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-01-10 13:59:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:38,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 7 states have internal predecessors, (203), 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) [2023-01-10 13:59:38,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:38,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 13:59:38,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:38,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1129381006, now seen corresponding path program 1 times [2023-01-10 13:59:38,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:38,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783526876] [2023-01-10 13:59:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-01-10 13:59:39,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783526876] [2023-01-10 13:59:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783526876] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:59:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171186665] [2023-01-10 13:59:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:39,428 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) [2023-01-10 13:59:39,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-10 13:59:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:39,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-10 13:59:39,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:59:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-01-10 13:59:39,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:59:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-01-10 13:59:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171186665] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:59:40,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:59:40,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-01-10 13:59:40,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139602187] [2023-01-10 13:59:40,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:59:40,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-01-10 13:59:40,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:40,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-01-10 13:59:40,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-01-10 13:59:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:40,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:40,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.583333333333334) internal successors, (302), 24 states have internal predecessors, (302), 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) [2023-01-10 13:59:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:40,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-10 13:59:40,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-10 13:59:40,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash -585947025, now seen corresponding path program 2 times [2023-01-10 13:59:40,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:40,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459899851] [2023-01-10 13:59:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-01-10 13:59:41,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:41,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459899851] [2023-01-10 13:59:41,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459899851] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:59:41,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796885403] [2023-01-10 13:59:41,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 13:59:41,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:41,171 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) [2023-01-10 13:59:41,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-10 13:59:41,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 13:59:41,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:59:41,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjunts are in the unsatisfiable core [2023-01-10 13:59:41,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:59:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-01-10 13:59:41,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:59:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 9 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-01-10 13:59:41,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796885403] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:59:41,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:59:41,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-01-10 13:59:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001607511] [2023-01-10 13:59:41,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:59:41,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-01-10 13:59:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:41,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-01-10 13:59:41,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-01-10 13:59:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:41,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:41,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.117647058823529) internal successors, (344), 34 states have internal predecessors, (344), 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) [2023-01-10 13:59:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:59:42,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-10 13:59:42,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:42,596 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:42,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:42,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1319160302, now seen corresponding path program 3 times [2023-01-10 13:59:42,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:42,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234957442] [2023-01-10 13:59:42,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:42,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-01-10 13:59:43,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:43,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234957442] [2023-01-10 13:59:43,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234957442] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:59:43,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751362852] [2023-01-10 13:59:43,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 13:59:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:43,149 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) [2023-01-10 13:59:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-10 13:59:43,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-01-10 13:59:43,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:59:43,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 64 conjunts are in the unsatisfiable core [2023-01-10 13:59:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:59:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 44 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-01-10 13:59:45,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:59:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 36 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-01-10 13:59:45,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751362852] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:59:45,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:59:45,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 44, 25] total 78 [2023-01-10 13:59:45,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328388857] [2023-01-10 13:59:45,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:59:45,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2023-01-10 13:59:45,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:45,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2023-01-10 13:59:45,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=704, Invalid=5302, Unknown=0, NotChecked=0, Total=6006 [2023-01-10 13:59:45,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:45,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:45,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 8.384615384615385) internal successors, (654), 78 states have internal predecessors, (654), 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) [2023-01-10 13:59:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:59:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:59:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:59:48,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-10 13:59:48,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:48,314 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:48,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:48,314 INFO L85 PathProgramCache]: Analyzing trace with hash 497486950, now seen corresponding path program 4 times [2023-01-10 13:59:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:48,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562564125] [2023-01-10 13:59:48,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:48,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 64 proven. 490 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2023-01-10 13:59:49,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:49,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562564125] [2023-01-10 13:59:49,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562564125] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:59:49,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324176425] [2023-01-10 13:59:49,254 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 13:59:49,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:49,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:49,256 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) [2023-01-10 13:59:49,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-10 13:59:49,435 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 13:59:49,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 13:59:49,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 26 conjunts are in the unsatisfiable core [2023-01-10 13:59:49,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 13:59:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 510 proven. 75 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-01-10 13:59:50,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 13:59:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 510 proven. 75 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-01-10 13:59:51,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324176425] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 13:59:51,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 13:59:51,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2023-01-10 13:59:51,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883138370] [2023-01-10 13:59:51,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 13:59:51,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-01-10 13:59:51,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 13:59:51,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-01-10 13:59:51,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=647, Invalid=4609, Unknown=0, NotChecked=0, Total=5256 [2023-01-10 13:59:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:51,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 13:59:51,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.863013698630137) internal successors, (574), 73 states have internal predecessors, (574), 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) [2023-01-10 13:59:51,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:51,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:51,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:51,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:59:51,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:59:51,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 13:59:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 13:59:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 13:59:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-10 13:59:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-01-10 13:59:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-01-10 13:59:52,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-10 13:59:52,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:52,758 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 13:59:52,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 13:59:52,759 INFO L85 PathProgramCache]: Analyzing trace with hash 256135779, now seen corresponding path program 5 times [2023-01-10 13:59:52,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 13:59:52,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895507697] [2023-01-10 13:59:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 13:59:52,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 13:59:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 13:59:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 98 proven. 612 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2023-01-10 13:59:53,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 13:59:53,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895507697] [2023-01-10 13:59:53,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895507697] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 13:59:53,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392208604] [2023-01-10 13:59:53,783 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 13:59:53,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 13:59:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 13:59:53,784 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) [2023-01-10 13:59:53,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2023-01-10 14:14:16,508 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 [2023-01-10 14:14:16,508 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 [2023-01-10 14:14:16,508 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 14:14:17,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-01-10 14:14:17,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:17,712 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2023-01-10 14:14:17,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2023-01-10 14:14:17,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-01-10 14:14:17,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-01-10 14:14:17,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2023-01-10 14:14:17,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400859118] [2023-01-10 14:14:17,749 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:17,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-10 14:14:17,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:17,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-10 14:14:17,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2023-01-10 14:14:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:17,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:17,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.225806451612904) internal successors, (348), 31 states have internal predecessors, (348), 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) [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-01-10 14:14:17,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:17,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-10 14:14:17,753 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-01-10 14:14:17,762 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 14:14:17,770 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-01-10 14:14:17,771 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-01-10 14:14:17,772 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 14:14:17,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 14:14:17,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:14:17 BasicIcfg [2023-01-10 14:14:17,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 14:14:17,775 INFO L158 Benchmark]: Toolchain (without parser) took 881155.83ms. Allocated memory was 314.6MB in the beginning and 694.2MB in the end (delta: 379.6MB). Free memory was 275.1MB in the beginning and 594.7MB in the end (delta: -319.7MB). Peak memory consumption was 60.6MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,775 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 14:14:17,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.54ms. Allocated memory is still 314.6MB. Free memory was 274.5MB in the beginning and 263.2MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.92ms. Allocated memory is still 314.6MB. Free memory was 263.2MB in the beginning and 261.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,776 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 314.6MB. Free memory was 261.1MB in the beginning and 259.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,776 INFO L158 Benchmark]: RCFGBuilder took 523.62ms. Allocated memory is still 314.6MB. Free memory was 259.0MB in the beginning and 235.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,776 INFO L158 Benchmark]: TraceAbstraction took 880415.66ms. Allocated memory was 314.6MB in the beginning and 694.2MB in the end (delta: 379.6MB). Free memory was 234.9MB in the beginning and 594.7MB in the end (delta: -359.9MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2023-01-10 14:14:17,777 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 181.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 167.54ms. Allocated memory is still 314.6MB. Free memory was 274.5MB in the beginning and 263.2MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.92ms. Allocated memory is still 314.6MB. Free memory was 263.2MB in the beginning and 261.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 314.6MB. Free memory was 261.1MB in the beginning and 259.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 523.62ms. Allocated memory is still 314.6MB. Free memory was 259.0MB in the beginning and 235.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 880415.66ms. Allocated memory was 314.6MB in the beginning and 694.2MB in the end (delta: 379.6MB). Free memory was 234.9MB in the beginning and 594.7MB in the end (delta: -359.9MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29648, independent: 25914, independent conditional: 25914, independent unconditional: 0, dependent: 3734, dependent conditional: 3734, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26592, independent: 25914, independent conditional: 25914, independent unconditional: 0, dependent: 678, dependent conditional: 678, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26592, independent: 25914, independent conditional: 25914, independent unconditional: 0, dependent: 678, dependent conditional: 678, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28899, independent: 25914, independent conditional: 0, independent unconditional: 25914, dependent: 2985, dependent conditional: 2307, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28899, independent: 25914, independent conditional: 0, independent unconditional: 25914, dependent: 2985, dependent conditional: 216, dependent unconditional: 2769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28899, independent: 25914, independent conditional: 0, independent unconditional: 25914, dependent: 2985, dependent conditional: 216, dependent unconditional: 2769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 666, independent: 637, independent conditional: 0, independent unconditional: 637, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 666, independent: 637, independent conditional: 0, independent unconditional: 637, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 29, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 29, dependent conditional: 13, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 126, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 126, dependent conditional: 30, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28899, independent: 25277, independent conditional: 0, independent unconditional: 25277, dependent: 2956, dependent conditional: 203, dependent unconditional: 2753, unknown: 666, unknown conditional: 13, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 637, Positive conditional cache size: 0, Positive unconditional cache size: 637, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2091, Maximal queried relation: 5, Independence queries for same thread: 3056 - StatisticsResult: Traversal Statistics Data States: 1283, Transitions: 1632, Traversal time: 258225754.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 66 - StatisticsResult: Traversal Statistics Data States: 1283, Transitions: 1643, Traversal time: 48512562.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 66 - StatisticsResult: Traversal Statistics Data States: 1307, Transitions: 1667, Traversal time: 238564744.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 66 - StatisticsResult: Traversal Statistics Data States: 1335, Transitions: 1695, Traversal time: 343065207.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 66 - StatisticsResult: Traversal Statistics Data States: 1363, Transitions: 1723, Traversal time: 457080469.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 66 - StatisticsResult: Traversal Statistics Data States: 2830, Transitions: 3737, Traversal time: 1942744053.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 148 - StatisticsResult: Traversal Statistics Data States: 2878, Transitions: 3785, Traversal time: 1264637489.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 148 - StatisticsResult: Traversal Statistics Data States: 1, Transitions: 0, Traversal time: 371947.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 290 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 880250634119.0ns, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 5119636262.0ns, FeasibilityCheckTime: 874218733160.0ns, RefinementTime: 37312505.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 14640243.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6133 SdHoareTripleChecker+Valid, 2430887690.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6133 mSDsluCounter, 16152 SdHoareTripleChecker+Invalid, 1988917755.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14801 mSDsCounter, 528 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6347 IncrementalHoareTripleChecker+Invalid, 6875 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 528 mSolverCounterUnsat, 1351 mSDtfsCounter, 6347 mSolverCounterSat, 69062625.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 184865872.0ns SsaConstructionTime, 1037751988.0ns SatisfiabilityAnalysisTime, 8558922569.0ns InterpolantComputationTime, 3836 NumberOfCodeBlocks, 3819 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5225 ConstructedInterpolants, 0 QuantifiedInterpolants, 16423 SizeOfPredicates, 94 NumberOfNonLiveVariables, 2864 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 4108/5583 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