/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-three-array-min.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 14:14:20,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 14:14:20,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 14:14:20,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 14:14:20,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 14:14:20,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 14:14:20,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 14:14:20,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 14:14:20,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 14:14:20,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 14:14:20,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 14:14:20,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-10 14:14:20,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 14:14:20,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 14:14:20,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 14:14:20,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 14:14:20,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 14:14:20,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 14:14:20,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 14:14:20,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 14:14:20,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 14:14:20,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 14:14:20,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 14:14:20,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 14:14:20,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-10 14:14:20,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-10 14:14:20,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-10 14:14:20,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-10 14:14:20,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-10 14:14:20,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-01-10 14:14:20,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 14:14:20,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 14:14:20,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 14:14:20,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 14:14:20,326 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 14:14:20,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 14:14:20,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 14:14:20,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 14:14:20,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 14:14:20,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 14:14:20,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 14:14:20,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 14:14:20,329 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 14:14:20,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 14:14:20,330 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 14:14:20,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 14:14:20,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:14:20,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 14:14:20,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 14:14:20,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 14:14:20,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 14:14:20,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 14:14:20,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 14:14:20,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 14:14:20,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 14:14:20,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 14:14:20,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 14:14:20,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 14:14:20,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 14:14:20,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 14:14:20,547 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 14:14:20,547 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 14:14:20,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-01-10 14:14:21,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 14:14:21,743 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 14:14:21,744 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2023-01-10 14:14:21,749 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab505b542/e5bc0a0b92004b9a982a395d893836a3/FLAGc53d4fdb2 [2023-01-10 14:14:21,767 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab505b542/e5bc0a0b92004b9a982a395d893836a3 [2023-01-10 14:14:21,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 14:14:21,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 14:14:21,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 14:14:21,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 14:14:21,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 14:14:21,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a006410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21, skipping insertion in model container [2023-01-10 14:14:21,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 14:14:21,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 14:14:21,908 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-three-array-min.wvr.c[2815,2828] [2023-01-10 14:14:21,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:14:21,921 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 14:14:21,936 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-three-array-min.wvr.c[2815,2828] [2023-01-10 14:14:21,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 14:14:21,944 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 14:14:21,944 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 14:14:21,948 INFO L208 MainTranslator]: Completed translation [2023-01-10 14:14:21,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21 WrapperNode [2023-01-10 14:14:21,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 14:14:21,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 14:14:21,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 14:14:21,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 14:14:21,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,977 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 236 [2023-01-10 14:14:21,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 14:14:21,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 14:14:21,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 14:14:21,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 14:14:21,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:21,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:22,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:22,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 14:14:22,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 14:14:22,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 14:14:22,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 14:14:22,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (1/1) ... [2023-01-10 14:14:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 14:14:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:22,034 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 14:14:22,038 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 14:14:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 14:14:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 14:14:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 14:14:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 14:14:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-10 14:14:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-10 14:14:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-10 14:14:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-10 14:14:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 14:14:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 14:14:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 14:14:22,069 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 14:14:22,153 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 14:14:22,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 14:14:22,537 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 14:14:22,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 14:14:22,624 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-01-10 14:14:22,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:14:22 BoogieIcfgContainer [2023-01-10 14:14:22,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 14:14:22,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 14:14:22,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 14:14:22,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 14:14:22,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:14:21" (1/3) ... [2023-01-10 14:14:22,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1777fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:14:22, skipping insertion in model container [2023-01-10 14:14:22,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:14:21" (2/3) ... [2023-01-10 14:14:22,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1777fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:14:22, skipping insertion in model container [2023-01-10 14:14:22,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:14:22" (3/3) ... [2023-01-10 14:14:22,632 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2023-01-10 14:14:22,637 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 14:14:22,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 14:14:22,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-10 14:14:22,644 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 14:14:22,718 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-10 14:14:22,760 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:14:22,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 14:14:22,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:22,763 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 14:14:22,764 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 14:14:22,796 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 14:14:22,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 14:14:22,806 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;@53668078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 14:14:22,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 14:14:23,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:23,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1796793571, now seen corresponding path program 1 times [2023-01-10 14:14:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610108669] [2023-01-10 14:14:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:23,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-01-10 14:14:23,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:23,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610108669] [2023-01-10 14:14:23,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610108669] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:14:23,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 14:14:23,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 14:14:23,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059610251] [2023-01-10 14:14:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:14:23,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-10 14:14:23,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:23,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-10 14:14:23,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-10 14:14:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:23,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:23,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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 14:14:23,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:23,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 14:14:23,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash -175289550, now seen corresponding path program 1 times [2023-01-10 14:14:23,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:23,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730741650] [2023-01-10 14:14:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-01-10 14:14:24,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:24,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730741650] [2023-01-10 14:14:24,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730741650] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 14:14:24,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 14:14:24,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-01-10 14:14:24,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321542928] [2023-01-10 14:14:24,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:14:24,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-01-10 14:14:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-01-10 14:14:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-01-10 14:14:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:24,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:24,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.428571428571427) internal successors, (213), 7 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 14:14:24,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:24,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:24,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:24,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 14:14:24,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:24,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:24,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1463526233, now seen corresponding path program 1 times [2023-01-10 14:14:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:24,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135010193] [2023-01-10 14:14:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-01-10 14:14:24,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:24,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135010193] [2023-01-10 14:14:24,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135010193] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:24,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454442635] [2023-01-10 14:14:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:24,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:24,779 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 14:14:24,780 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 14:14:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:24,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-10 14:14:24,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-01-10 14:14:25,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-01-10 14:14:25,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454442635] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:25,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:25,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-01-10 14:14:25,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114395775] [2023-01-10 14:14:25,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:25,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-10 14:14:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:25,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-10 14:14:25,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2023-01-10 14:14:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:25,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:25,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 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 14:14:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:25,779 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 14:14:25,965 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 14:14:25,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 927936284, now seen corresponding path program 2 times [2023-01-10 14:14:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:25,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018727248] [2023-01-10 14:14:25,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-01-10 14:14:26,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:26,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018727248] [2023-01-10 14:14:26,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018727248] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:26,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608825034] [2023-01-10 14:14:26,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 14:14:26,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:26,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:26,397 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 14:14:26,399 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 14:14:26,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 14:14:26,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:26,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 12 conjunts are in the unsatisfiable core [2023-01-10 14:14:26,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 71 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-01-10 14:14:26,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 25 proven. 56 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-01-10 14:14:27,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608825034] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:27,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:27,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2023-01-10 14:14:27,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882008441] [2023-01-10 14:14:27,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:27,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-10 14:14:27,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:27,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-10 14:14:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=760, Unknown=0, NotChecked=0, Total=930 [2023-01-10 14:14:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:27,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:27,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.225806451612904) internal successors, (410), 31 states have internal predecessors, (410), 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 14:14:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:27,827 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 14:14:28,025 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 14:14:28,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:28,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -163659119, now seen corresponding path program 3 times [2023-01-10 14:14:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823635158] [2023-01-10 14:14:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:28,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 47 proven. 70 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-01-10 14:14:28,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:28,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823635158] [2023-01-10 14:14:28,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823635158] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:28,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743825550] [2023-01-10 14:14:28,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 14:14:28,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:28,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:28,601 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 14:14:28,603 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 14:14:28,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-10 14:14:28,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:28,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-10 14:14:28,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 14:14:28,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-01-10 14:14:29,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743825550] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:29,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:29,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 10] total 28 [2023-01-10 14:14:29,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052786284] [2023-01-10 14:14:29,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:29,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-01-10 14:14:29,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:29,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-01-10 14:14:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2023-01-10 14:14:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:29,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:29,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.75) internal successors, (525), 28 states have internal predecessors, (525), 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 14:14:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:29,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:31,388 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 14:14:31,598 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 14:14:31,598 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:31,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1702541909, now seen corresponding path program 4 times [2023-01-10 14:14:31,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:31,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363203204] [2023-01-10 14:14:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 51 proven. 95 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-01-10 14:14:32,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363203204] [2023-01-10 14:14:32,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363203204] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632122636] [2023-01-10 14:14:32,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-10 14:14:32,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:32,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:32,171 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 14:14:32,173 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 14:14:32,311 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-10 14:14:32,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:32,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 20 conjunts are in the unsatisfiable core [2023-01-10 14:14:32,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 94 proven. 52 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-01-10 14:14:32,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 73 proven. 73 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-01-10 14:14:33,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632122636] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:33,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:33,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2023-01-10 14:14:33,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252786190] [2023-01-10 14:14:33,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:33,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-01-10 14:14:33,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:33,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-01-10 14:14:33,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2042, Unknown=0, NotChecked=0, Total=2450 [2023-01-10 14:14:33,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:33,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:33,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 9.58) internal successors, (479), 50 states have internal predecessors, (479), 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 14:14:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:34,275 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 14:14:34,470 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 14:14:34,470 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:34,471 INFO L85 PathProgramCache]: Analyzing trace with hash -927919466, now seen corresponding path program 5 times [2023-01-10 14:14:34,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:34,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188772353] [2023-01-10 14:14:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:34,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 60 proven. 115 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-01-10 14:14:35,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:35,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188772353] [2023-01-10 14:14:35,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188772353] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:35,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265422842] [2023-01-10 14:14:35,062 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-10 14:14:35,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:35,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:35,063 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 14:14:35,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-10 14:14:36,058 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-01-10 14:14:36,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:36,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 16 conjunts are in the unsatisfiable core [2023-01-10 14:14:36,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 25 proven. 69 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-01-10 14:14:36,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 30 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-01-10 14:14:36,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265422842] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:36,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:36,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 10] total 43 [2023-01-10 14:14:36,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810465018] [2023-01-10 14:14:36,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:36,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-01-10 14:14:36,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:36,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-01-10 14:14:36,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1673, Unknown=0, NotChecked=0, Total=1806 [2023-01-10 14:14:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:36,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:36,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 13.279069767441861) internal successors, (571), 43 states have internal predecessors, (571), 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 14:14:36,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:36,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:36,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:36,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:36,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:36,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:36,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:39,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:39,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:39,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash -839841093, now seen corresponding path program 6 times [2023-01-10 14:14:39,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:39,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917098956] [2023-01-10 14:14:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:39,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 33 proven. 62 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-01-10 14:14:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:39,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917098956] [2023-01-10 14:14:39,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917098956] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526814959] [2023-01-10 14:14:39,818 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-10 14:14:39,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:39,819 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) [2023-01-10 14:14:39,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-10 14:14:40,182 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-01-10 14:14:40,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:40,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-10 14:14:40,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-01-10 14:14:41,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 48 proven. 80 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-01-10 14:14:42,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526814959] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:42,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:42,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 36, 22] total 69 [2023-01-10 14:14:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601348989] [2023-01-10 14:14:42,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:42,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-01-10 14:14:42,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:42,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-01-10 14:14:42,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3950, Unknown=0, NotChecked=0, Total=4692 [2023-01-10 14:14:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:42,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:42,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.130434782608695) internal successors, (630), 69 states have internal predecessors, (630), 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 14:14:42,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:42,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:42,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:42,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:42,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:42,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:42,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:42,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:44,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:44,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:44,310 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:44,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:44,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1044221617, now seen corresponding path program 1 times [2023-01-10 14:14:44,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:44,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124738122] [2023-01-10 14:14:44,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-01-10 14:14:44,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:44,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124738122] [2023-01-10 14:14:44,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124738122] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:44,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585259670] [2023-01-10 14:14:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:44,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:44,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:44,605 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:14:44,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-10 14:14:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:44,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 14 conjunts are in the unsatisfiable core [2023-01-10 14:14:44,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 52 proven. 33 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:45,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:45,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585259670] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:45,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-10 14:14:45,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9, 15] total 32 [2023-01-10 14:14:45,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702096538] [2023-01-10 14:14:45,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 14:14:45,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-10 14:14:45,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:45,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-10 14:14:45,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-01-10 14:14:45,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:45,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:45,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 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 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:45,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:46,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:46,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-01-10 14:14:46,216 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:46,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1762715552, now seen corresponding path program 7 times [2023-01-10 14:14:46,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:46,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327088955] [2023-01-10 14:14:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:46,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-01-10 14:14:46,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:46,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327088955] [2023-01-10 14:14:46,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327088955] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:46,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52459468] [2023-01-10 14:14:46,563 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-10 14:14:46,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:46,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:46,564 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:14:46,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-01-10 14:14:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:46,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 16 conjunts are in the unsatisfiable core [2023-01-10 14:14:46,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 52 proven. 34 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:47,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:47,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52459468] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:47,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 17] total 39 [2023-01-10 14:14:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836067093] [2023-01-10 14:14:47,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:47,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-01-10 14:14:47,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:47,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-01-10 14:14:47,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2023-01-10 14:14:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:47,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:47,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.025641025641026) internal successors, (508), 39 states have internal predecessors, (508), 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 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:47,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-01-10 14:14:48,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:49,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-01-10 14:14:49,024 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:49,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:49,024 INFO L85 PathProgramCache]: Analyzing trace with hash -344654208, now seen corresponding path program 8 times [2023-01-10 14:14:49,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:49,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163055743] [2023-01-10 14:14:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:14:49,560 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 30 proven. 79 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:49,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:14:49,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163055743] [2023-01-10 14:14:49,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163055743] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:14:49,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9250340] [2023-01-10 14:14:49,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-10 14:14:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:14:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:14:49,561 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:14:49,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-10 14:14:49,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-10 14:14:49,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:14:49,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 20 conjunts are in the unsatisfiable core [2023-01-10 14:14:49,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:14:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 52 proven. 57 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:50,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-10 14:14:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 85 proven. 24 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-01-10 14:14:50,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9250340] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-10 14:14:50,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-10 14:14:50,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2023-01-10 14:14:50,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051371836] [2023-01-10 14:14:50,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-10 14:14:50,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-01-10 14:14:50,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 14:14:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-01-10 14:14:50,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2023-01-10 14:14:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:50,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 14:14:50,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.92) internal successors, (396), 50 states have internal predecessors, (396), 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 14:14:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-01-10 14:14:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 14:14:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-01-10 14:14:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-01-10 14:14:52,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-01-10 14:14:52,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-01-10 14:14:52,348 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 14:14:52,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 14:14:52,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1635901681, now seen corresponding path program 9 times [2023-01-10 14:14:52,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 14:14:52,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040313682] [2023-01-10 14:14:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 14:14:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 14:14:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 14:15:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 14:15:21,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 14:15:21,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040313682] [2023-01-10 14:15:21,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040313682] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-10 14:15:21,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859579791] [2023-01-10 14:15:21,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-10 14:15:21,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-10 14:15:21,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 14:15:21,670 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-10 14:15:21,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-01-10 14:15:22,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-01-10 14:15:22,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-10 14:15:22,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 237 conjunts are in the unsatisfiable core [2023-01-10 14:15:22,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-10 14:15:22,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-10 14:15:23,573 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-01-10 14:15:23,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-01-10 14:15:25,184 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-01-10 14:15:25,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-01-10 14:15:27,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-01-10 14:15:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 14:15:39,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 14:15:39,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-10 14:15:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 14:15:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 14:15:39,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 122 [2023-01-10 14:15:40,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 130 [2023-01-10 14:15:40,959 INFO L321 Elim1Store]: treesize reduction 112, result has 21.7 percent of original size [2023-01-10 14:15:40,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 16 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 10 case distinctions, treesize of input 208 treesize of output 180 [2023-01-10 14:15:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-10 14:15:42,962 INFO L321 Elim1Store]: treesize reduction 192, result has 13.9 percent of original size [2023-01-10 14:15:42,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 13 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 18 case distinctions, treesize of input 194 treesize of output 199 [2023-01-10 14:17:27,282 WARN L222 SmtUtils]: Spent 1.46m on a formula simplification. DAG size of input: 3004 DAG size of output: 1143 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-01-10 14:17:27,286 INFO L321 Elim1Store]: treesize reduction 13440, result has 27.2 percent of original size [2023-01-10 14:17:27,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 61 select indices, 61 select index equivalence classes, 6 disjoint index pairs (out of 1830 index pairs), introduced 61 new quantified variables, introduced 1830 case distinctions, treesize of input 951 treesize of output 5345 Received shutdown request... [2023-01-10 14:28:01,638 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 14:28:01,645 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-10 14:28:01,659 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-01-10 14:28:01,661 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 14:28:01,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-01-10 14:28:01,679 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 14:28:01,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-01-10 14:28:01,870 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 49ms.. [2023-01-10 14:28:01,883 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-01-10 14:28:01,885 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2023-01-10 14:28:01,886 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 14:28:01,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 14:28:01,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:28:01 BasicIcfg [2023-01-10 14:28:01,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 14:28:01,888 INFO L158 Benchmark]: Toolchain (without parser) took 820118.51ms. Allocated memory was 253.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 212.5MB in the beginning and 658.9MB in the end (delta: -446.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-01-10 14:28:01,888 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 202.4MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 14:28:01,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.93ms. Allocated memory is still 253.8MB. Free memory was 212.5MB in the beginning and 200.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-01-10 14:28:01,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.40ms. Allocated memory is still 253.8MB. Free memory was 200.4MB in the beginning and 197.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-01-10 14:28:01,889 INFO L158 Benchmark]: Boogie Preprocessor took 24.25ms. Allocated memory is still 253.8MB. Free memory was 197.8MB in the beginning and 195.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 14:28:01,889 INFO L158 Benchmark]: RCFGBuilder took 624.19ms. Allocated memory is still 253.8MB. Free memory was 195.7MB in the beginning and 163.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-01-10 14:28:01,889 INFO L158 Benchmark]: TraceAbstraction took 819259.16ms. Allocated memory was 253.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 163.2MB in the beginning and 658.9MB in the end (delta: -495.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-01-10 14:28:01,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 202.4MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 176.93ms. Allocated memory is still 253.8MB. Free memory was 212.5MB in the beginning and 200.4MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.40ms. Allocated memory is still 253.8MB. Free memory was 200.4MB in the beginning and 197.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.25ms. Allocated memory is still 253.8MB. Free memory was 197.8MB in the beginning and 195.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 624.19ms. Allocated memory is still 253.8MB. Free memory was 195.7MB in the beginning and 163.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 819259.16ms. Allocated memory was 253.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 163.2MB in the beginning and 658.9MB in the end (delta: -495.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52674, independent: 43913, independent conditional: 43913, independent unconditional: 0, dependent: 8761, dependent conditional: 8761, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44258, independent: 43913, independent conditional: 43913, independent unconditional: 0, dependent: 345, dependent conditional: 345, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44258, independent: 43913, independent conditional: 43913, independent unconditional: 0, dependent: 345, dependent conditional: 345, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45223, independent: 43913, independent conditional: 0, independent unconditional: 43913, dependent: 1310, dependent conditional: 965, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45223, independent: 43913, independent conditional: 0, independent unconditional: 43913, dependent: 1310, dependent conditional: 153, dependent unconditional: 1157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45223, independent: 43913, independent conditional: 0, independent unconditional: 43913, dependent: 1310, dependent conditional: 153, dependent unconditional: 1157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 624, independent: 604, independent conditional: 0, independent unconditional: 604, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 624, independent: 604, independent conditional: 0, independent unconditional: 604, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 136, dependent conditional: 64, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45223, independent: 43309, independent conditional: 0, independent unconditional: 43309, dependent: 1290, dependent conditional: 139, dependent unconditional: 1151, unknown: 624, unknown conditional: 14, unknown unconditional: 610] , Statistics on independence cache: Total cache size (in pairs): 624, Positive cache size: 604, Positive conditional cache size: 0, Positive unconditional cache size: 604, Negative cache size: 20, Negative conditional cache size: 14, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 812, Maximal queried relation: 6, Independence queries for same thread: 8416 - StatisticsResult: Traversal Statistics Data States: 1710, Transitions: 2380, Traversal time: 280655880.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 1710, Transitions: 2392, Traversal time: 95226138.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 1731, Transitions: 2413, Traversal time: 206270272.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 1755, Transitions: 2437, Traversal time: 273125799.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 1779, Transitions: 2461, Traversal time: 473321638.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 117 - StatisticsResult: Traversal Statistics Data States: 3125, Transitions: 4729, Traversal time: 2005823828.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 136 - StatisticsResult: Traversal Statistics Data States: 3149, Transitions: 4753, Traversal time: 702780503.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 136 - StatisticsResult: Traversal Statistics Data States: 423, Transitions: 441, Traversal time: 1879339692.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 427, Transitions: 447, Traversal time: 1890577534.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 426, Transitions: 443, Traversal time: 356606952.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 440, Transitions: 457, Traversal time: 1014219773.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 454, Transitions: 474, Traversal time: 1161707975.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 417 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 49ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 303 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 819108555689.0ns, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 11490331730.0ns, FeasibilityCheckTime: 805454431793.0ns, RefinementTime: 46596211.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 18311228.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11331 SdHoareTripleChecker+Valid, 4709041688.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11331 mSDsluCounter, 36978 SdHoareTripleChecker+Invalid, 3856393901.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33849 mSDsCounter, 472 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13896 IncrementalHoareTripleChecker+Invalid, 14368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 472 mSolverCounterUnsat, 3129 mSDtfsCounter, 13896 mSolverCounterSat, 125468491.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 367, 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: 368387783.0ns SsaConstructionTime, 2035340191.0ns SatisfiabilityAnalysisTime, 12859135181.0ns InterpolantComputationTime, 7120 NumberOfCodeBlocks, 6992 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10379 ConstructedInterpolants, 0 QuantifiedInterpolants, 30097 SizeOfPredicates, 148 NumberOfNonLiveVariables, 6914 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 6865/7952 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