/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 15:39:48,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:39:48,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:39:48,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:39:48,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:39:48,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:39:48,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:39:48,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:39:48,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:39:48,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:39:48,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:39:48,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:39:48,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:39:48,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:39:48,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:39:48,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:39:48,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:39:48,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:39:48,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:39:48,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:39:48,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:39:48,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:39:48,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:39:48,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:39:48,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:39:48,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:39:48,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:39:48,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:39:48,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:39:48,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:39:48,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:39:48,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:39:48,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:39:48,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:39:48,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:39:48,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:39:48,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:39:48,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:39:48,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:39:48,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:39:48,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:39:48,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-16 15:39:48,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:39:48,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:39:48,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:39:48,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:39:48,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:39:48,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:39:48,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 15:39:48,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 15:39:48,456 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 15:39:48,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:39:48,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:39:48,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:39:48,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:39:48,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:39:48,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 15:39:48,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 15:39:48,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:39:48,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:39:48,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:39:48,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 15:39:48,459 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 15:39:48,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 15:39:48,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:39:48,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:39:48,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:39:48,672 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:39:48,673 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:39:48,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2022-11-16 15:39:48,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed0ba1b4/c164e260da284af488d1e3db6ee4df32/FLAGd85c9e308 [2022-11-16 15:39:49,096 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:39:49,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2022-11-16 15:39:49,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed0ba1b4/c164e260da284af488d1e3db6ee4df32/FLAGd85c9e308 [2022-11-16 15:39:49,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed0ba1b4/c164e260da284af488d1e3db6ee4df32 [2022-11-16 15:39:49,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:39:49,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 15:39:49,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:39:49,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:39:49,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:39:49,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545d661e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49, skipping insertion in model container [2022-11-16 15:39:49,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:39:49,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:39:49,264 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-11-16 15:39:49,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:39:49,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:39:49,289 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-11-16 15:39:49,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:39:49,301 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:39:49,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49 WrapperNode [2022-11-16 15:39:49,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:39:49,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:39:49,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:39:49,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:39:49,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,330 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 193 [2022-11-16 15:39:49,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:39:49,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:39:49,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:39:49,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:39:49,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:39:49,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:39:49,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:39:49,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:39:49,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (1/1) ... [2022-11-16 15:39:49,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:39:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 15:39:49,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:39:49,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:39:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:39:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:39:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:39:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:39:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 15:39:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 15:39:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 15:39:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 15:39:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 15:39:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 15:39:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:39:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:39:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:39:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:39:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:39:49,484 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 15:39:49,558 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:39:49,559 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:39:49,891 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:39:49,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:39:49,900 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-16 15:39:49,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:39:49 BoogieIcfgContainer [2022-11-16 15:39:49,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:39:49,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:39:49,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:39:49,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:39:49,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:39:49" (1/3) ... [2022-11-16 15:39:49,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7017d403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:39:49, skipping insertion in model container [2022-11-16 15:39:49,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:39:49" (2/3) ... [2022-11-16 15:39:49,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7017d403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:39:49, skipping insertion in model container [2022-11-16 15:39:49,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:39:49" (3/3) ... [2022-11-16 15:39:49,923 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2022-11-16 15:39:49,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 15:39:49,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:39:49,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 15:39:49,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 15:39:50,011 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 15:39:50,059 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:39:50,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 15:39:50,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 15:39:50,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 15:39:50,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 15:39:50,092 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 15:39:50,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 15:39:50,104 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;@45d93c56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:39:50,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 15:39:50,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:39:50,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:39:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash 318717542, now seen corresponding path program 1 times [2022-11-16 15:39:50,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 15:39:50,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569593863] [2022-11-16 15:39:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:50,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:39:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:39:50,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 15:39:50,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569593863] [2022-11-16 15:39:50,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569593863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:39:50,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:39:50,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:39:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100204744] [2022-11-16 15:39:50,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:39:50,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 15:39:50,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 15:39:50,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 15:39:50,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 15:39:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:50,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 15:39:50,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:39:50,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:50,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:50,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 15:39:50,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:39:50,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:39:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1955409906, now seen corresponding path program 1 times [2022-11-16 15:39:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 15:39:50,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731711757] [2022-11-16 15:39:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:39:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:39:51,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 15:39:51,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731711757] [2022-11-16 15:39:51,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731711757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:39:51,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:39:51,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 15:39:51,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332306457] [2022-11-16 15:39:51,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:39:51,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 15:39:51,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 15:39:51,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 15:39:51,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 15:39:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:51,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 15:39:51,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 8 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:39:51,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:51,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:52,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:52,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 15:39:52,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 15:39:52,692 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:39:52,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:39:52,694 INFO L85 PathProgramCache]: Analyzing trace with hash 187539362, now seen corresponding path program 1 times [2022-11-16 15:39:52,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 15:39:52,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533090864] [2022-11-16 15:39:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:39:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:39:52,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 15:39:52,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533090864] [2022-11-16 15:39:52,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533090864] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:39:52,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340065815] [2022-11-16 15:39:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:52,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:39:52,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 15:39:52,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:39:52,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 15:39:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:53,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 15:39:53,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:39:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:39:53,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:39:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:39:53,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340065815] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 15:39:53,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 15:39:53,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-16 15:39:53,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575819161] [2022-11-16 15:39:53,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:39:53,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 15:39:53,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 15:39:53,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 15:39:53,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-16 15:39:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:53,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 15:39:53,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 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) [2022-11-16 15:39:53,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:53,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 15:39:53,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 15:39:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 15:39:54,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 15:39:54,757 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 [2022-11-16 15:39:54,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:39:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:39:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1138855403, now seen corresponding path program 1 times [2022-11-16 15:39:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 15:39:54,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283635938] [2022-11-16 15:39:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:39:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 15:39:54,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 15:39:54,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283635938] [2022-11-16 15:39:54,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283635938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:39:54,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670717425] [2022-11-16 15:39:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:54,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:39:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 15:39:55,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:39:55,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 15:39:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:39:55,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 15:39:55,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:39:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 15:39:55,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:39:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 15:39:55,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670717425] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 15:39:55,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 15:39:55,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-11-16 15:39:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335153677] [2022-11-16 15:39:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:39:55,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 15:39:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 15:39:55,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 15:39:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-16 15:39:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:55,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 15:39:55,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:39:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 15:39:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 15:39:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 15:39:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 15:39:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 15:39:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 15:39:56,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 15:39:57,019 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 [2022-11-16 15:39:57,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:39:57,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:39:57,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1558894100, now seen corresponding path program 1 times [2022-11-16 15:39:57,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 15:39:57,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909295605] [2022-11-16 15:39:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:39:57,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:39:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:40:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:40:01,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 15:40:01,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909295605] [2022-11-16 15:40:01,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909295605] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:40:01,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625771800] [2022-11-16 15:40:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:40:01,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:40:01,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 15:40:01,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:40:01,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 15:40:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:40:01,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 139 conjunts are in the unsatisfiable core [2022-11-16 15:40:01,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:40:01,985 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 [2022-11-16 15:40:02,059 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-16 15:40:02,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-16 15:40:02,147 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-16 15:40:02,148 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 3 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:40:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:02,798 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-16 15:40:02,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 15:40:03,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 11 [2022-11-16 15:40:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:04,147 INFO L321 Elim1Store]: treesize reduction 96, result has 27.8 percent of original size [2022-11-16 15:40:04,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 32 treesize of output 57 [2022-11-16 15:40:04,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 15:40:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:05,559 INFO L321 Elim1Store]: treesize reduction 114, result has 28.7 percent of original size [2022-11-16 15:40:05,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 37 treesize of output 69 [2022-11-16 15:40:06,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 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 [2022-11-16 15:40:08,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:40:08,238 INFO L321 Elim1Store]: treesize reduction 48, result has 34.2 percent of original size [2022-11-16 15:40:08,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 36 treesize of output 46 [2022-11-16 15:40:08,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2022-11-16 15:40:09,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2022-11-16 15:40:10,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2022-11-16 15:40:10,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2022-11-16 15:40:10,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2022-11-16 15:40:11,691 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-16 15:40:11,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 62 [2022-11-16 15:40:14,680 INFO L321 Elim1Store]: treesize reduction 30, result has 30.2 percent of original size [2022-11-16 15:40:14,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 29 [2022-11-16 15:40:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 15:40:14,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:42:14,405 INFO L321 Elim1Store]: treesize reduction 37, result has 36.2 percent of original size [2022-11-16 15:42:14,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1520 treesize of output 645 [2022-11-16 15:42:14,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:42:14,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:42:14,439 INFO L173 IndexEqualityManager]: detected equality via solver