/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.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 01:19:01,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 01:19:01,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 01:19:01,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 01:19:01,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 01:19:01,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 01:19:01,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 01:19:01,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 01:19:01,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 01:19:01,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 01:19:01,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 01:19:01,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 01:19:01,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 01:19:01,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 01:19:01,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 01:19:01,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 01:19:01,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 01:19:01,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 01:19:01,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 01:19:01,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 01:19:01,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 01:19:01,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 01:19:01,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 01:19:01,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 01:19:01,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 01:19:01,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 01:19:01,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 01:19:01,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 01:19:01,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 01:19:01,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 01:19:01,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 01:19:01,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 01:19:01,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 01:19:01,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 01:19:01,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 01:19:01,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 01:19:01,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 01:19:01,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 01:19:01,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 01:19:01,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 01:19:01,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 01:19:01,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 01:19:01,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 01:19:01,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 01:19:01,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 01:19:01,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 01:19:01,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 01:19:01,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 01:19:01,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 01:19:01,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 01:19:01,587 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 01:19:01,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 01:19:01,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 01:19:01,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 01:19:01,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 01:19:01,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 01:19:01,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 01:19:01,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 01:19:01,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 01:19:01,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 01:19:01,590 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 01:19:01,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 01:19:01,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 01:19:01,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 01:19:01,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 01:19:01,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 01:19:01,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 01:19:01,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 01:19:01,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94b8b8ff/7d48da68d64142d8b0ea1b78284afcc6/FLAGb405107e6 [2022-11-15 01:19:02,284 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 01:19:02,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 01:19:02,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94b8b8ff/7d48da68d64142d8b0ea1b78284afcc6/FLAGb405107e6 [2022-11-15 01:19:02,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94b8b8ff/7d48da68d64142d8b0ea1b78284afcc6 [2022-11-15 01:19:02,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 01:19:02,319 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 01:19:02,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 01:19:02,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 01:19:02,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 01:19:02,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd2f894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02, skipping insertion in model container [2022-11-15 01:19:02,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 01:19:02,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 01:19:02,559 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-11-15 01:19:02,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 01:19:02,715 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 01:19:02,724 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2022-11-15 01:19:02,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 01:19:02,776 INFO L208 MainTranslator]: Completed translation [2022-11-15 01:19:02,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02 WrapperNode [2022-11-15 01:19:02,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 01:19:02,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 01:19:02,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 01:19:02,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 01:19:02,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,819 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2022-11-15 01:19:02,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 01:19:02,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 01:19:02,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 01:19:02,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 01:19:02,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 01:19:02,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 01:19:02,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 01:19:02,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 01:19:02,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (1/1) ... [2022-11-15 01:19:02,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 01:19:02,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:19:02,886 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) [2022-11-15 01:19:02,899 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 [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-11-15 01:19:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 01:19:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 01:19:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 01:19:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 01:19:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 01:19:02,924 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 01:19:03,050 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 01:19:03,051 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 01:19:03,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 01:19:03,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 01:19:03,305 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-15 01:19:03,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:19:03 BoogieIcfgContainer [2022-11-15 01:19:03,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 01:19:03,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 01:19:03,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 01:19:03,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 01:19:03,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 01:19:02" (1/3) ... [2022-11-15 01:19:03,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df5527c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:19:03, skipping insertion in model container [2022-11-15 01:19:03,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:19:02" (2/3) ... [2022-11-15 01:19:03,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df5527c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:19:03, skipping insertion in model container [2022-11-15 01:19:03,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:19:03" (3/3) ... [2022-11-15 01:19:03,314 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2022-11-15 01:19:03,320 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 01:19:03,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 01:19:03,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-15 01:19:03,327 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 01:19:03,399 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 01:19:03,438 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 01:19:03,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 01:19:03,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:19:03,439 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) [2022-11-15 01:19:03,440 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 [2022-11-15 01:19:03,472 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 01:19:03,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 01:19:03,493 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;@2b5344b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 01:19:03,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 01:19:03,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:19:03,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:19:03,622 INFO L85 PathProgramCache]: Analyzing trace with hash 776007129, now seen corresponding path program 1 times [2022-11-15 01:19:03,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:19:03,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902452770] [2022-11-15 01:19:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:19:03,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:19:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:19:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:19:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:19:03,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902452770] [2022-11-15 01:19:03,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902452770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 01:19:03,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 01:19:03,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 01:19:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91866364] [2022-11-15 01:19:03,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:19:03,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 01:19:03,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:19:03,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 01:19:03,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 01:19:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:19:03,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:19:03,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2022-11-15 01:19:03,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:19:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:19:04,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 01:19:04,213 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:19:04,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:19:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1015230150, now seen corresponding path program 1 times [2022-11-15 01:19:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:19:04,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17476751] [2022-11-15 01:19:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:19:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:19:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:19:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-15 01:19:05,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:19:05,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17476751] [2022-11-15 01:19:05,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17476751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:19:05,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004461566] [2022-11-15 01:19:05,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:19:05,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:19:05,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:19:05,307 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) [2022-11-15 01:19:05,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 01:19:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:19:05,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-15 01:19:05,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:19:05,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:19:06,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:19:06,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:19:06,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:19:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:19:06,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:19:45,184 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-15 01:19:45,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2022-11-15 01:19:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 48 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:19:45,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004461566] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:19:45,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:19:45,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 23, 22] total 58 [2022-11-15 01:19:45,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956825795] [2022-11-15 01:19:45,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:19:45,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-11-15 01:19:45,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:19:45,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-11-15 01:19:45,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=3041, Unknown=16, NotChecked=0, Total=3422 [2022-11-15 01:19:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:19:45,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:19:45,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 6.362068965517241) internal successors, (369), 59 states have internal predecessors, (369), 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) [2022-11-15 01:19:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:19:45,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:26,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-15 01:20:26,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 01:20:26,516 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,SelfDestructingSolverStorable1 [2022-11-15 01:20:26,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:20:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:20:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1253068875, now seen corresponding path program 1 times [2022-11-15 01:20:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:20:26,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403122191] [2022-11-15 01:20:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:20:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:20:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:20:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 216 proven. 7 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-15 01:20:26,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:20:26,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403122191] [2022-11-15 01:20:26,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403122191] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:20:26,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919990904] [2022-11-15 01:20:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:20:26,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:20:26,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:20:26,944 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) [2022-11-15 01:20:26,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 01:20:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:20:27,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-15 01:20:27,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:20:27,415 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 11 treesize of output 7 [2022-11-15 01:20:27,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:20:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 202 proven. 15 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-15 01:20:27,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:20:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 216 proven. 7 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-15 01:20:27,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919990904] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:20:27,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:20:27,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 20 [2022-11-15 01:20:27,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836809530] [2022-11-15 01:20:27,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:20:27,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-15 01:20:27,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:20:27,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-15 01:20:27,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-11-15 01:20:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:27,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:20:27,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 14.85) internal successors, (297), 20 states have internal predecessors, (297), 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) [2022-11-15 01:20:27,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:27,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-15 01:20:27,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-15 01:20:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:28,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 01:20:28,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:20:28,593 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:20:28,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:20:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash 308190907, now seen corresponding path program 2 times [2022-11-15 01:20:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:20:28,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772929419] [2022-11-15 01:20:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:20:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:20:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:20:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 195 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-15 01:20:29,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:20:29,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772929419] [2022-11-15 01:20:29,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772929419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:20:29,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010966253] [2022-11-15 01:20:29,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 01:20:29,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:20:29,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:20:29,701 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) [2022-11-15 01:20:29,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 01:20:29,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-15 01:20:29,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:20:29,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-15 01:20:29,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:20:31,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:20:31,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:20:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 34 proven. 34 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-15 01:20:31,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:20:32,066 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-15 01:20:32,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 1 [2022-11-15 01:20:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-15 01:20:32,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010966253] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 01:20:32,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 01:20:32,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [21, 13] total 42 [2022-11-15 01:20:32,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211764921] [2022-11-15 01:20:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:20:32,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-15 01:20:32,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:20:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-15 01:20:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1550, Unknown=0, NotChecked=0, Total=1722 [2022-11-15 01:20:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:32,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:20:32,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.7) internal successors, (147), 11 states have internal predecessors, (147), 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) [2022-11-15 01:20:32,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:32,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-11-15 01:20:32,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:32,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:34,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:20:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:20:34,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 01:20:34,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:20:34,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:20:34,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:20:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -102997872, now seen corresponding path program 3 times [2022-11-15 01:20:34,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:20:34,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239817257] [2022-11-15 01:20:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:20:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:20:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:20:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3568 backedges. 2278 proven. 69 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2022-11-15 01:20:40,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:20:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239817257] [2022-11-15 01:20:40,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239817257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:20:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536399533] [2022-11-15 01:20:40,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 01:20:40,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:20:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:20:40,352 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:20:40,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 01:20:40,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 01:20:40,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:20:40,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-15 01:20:40,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:20:43,310 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 11 treesize of output 7 [2022-11-15 01:20:43,787 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-15 01:20:43,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 26 [2022-11-15 01:20:44,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:20:44,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:20:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3568 backedges. 421 proven. 183 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2022-11-15 01:20:44,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:20:53,563 WARN L833 $PredicateComparison]: unable to prove that (forall ((|workerThread1of1ForFork0_pqueue_get_~qp#1.base| Int) (|workerThread1of1ForFork0_pqueue_get_~qp#1.offset| Int) (v_ArrVal_517 Int) (v_ArrVal_516 Int)) (let ((.cse0 (store |c_#memory_int| |workerThread1of1ForFork0_pqueue_get_~qp#1.base| (store (select |c_#memory_int| |workerThread1of1ForFork0_pqueue_get_~qp#1.base|) |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| v_ArrVal_516)))) (let ((.cse1 (select .cse0 |c_~#pqb~0.base|))) (or (< (select (select (store .cse0 |c_~#pqb~0.base| (store .cse1 |c_~#pqb~0.offset| v_ArrVal_517)) |c_ULTIMATE.start_pqueue_put_~qp#1.base|) |c_ULTIMATE.start_pqueue_put_~qp#1.offset|) 2147483647) (< (select .cse1 |c_~#pqb~0.offset|) (+ v_ArrVal_517 1)) (< 2147483647 v_ArrVal_516))))) is different from false [2022-11-15 01:20:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3568 backedges. 422 proven. 2 refuted. 0 times theorem prover too weak. 3131 trivial. 13 not checked. [2022-11-15 01:20:56,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536399533] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:20:56,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:20:56,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 15, 14] total 67 [2022-11-15 01:20:56,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359323155] [2022-11-15 01:20:56,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:20:56,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-11-15 01:20:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:20:56,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-11-15 01:20:56,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=3926, Unknown=4, NotChecked=128, Total=4422 [2022-11-15 01:20:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:20:56,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:20:56,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.462686567164178) internal successors, (634), 67 states have internal predecessors, (634), 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) [2022-11-15 01:20:56,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:20:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:20:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:20:56,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:21:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-15 01:21:09,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:09,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:09,642 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1095567641, now seen corresponding path program 1 times [2022-11-15 01:21:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:09,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329924755] [2022-11-15 01:21:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5999 backedges. 1942 proven. 0 refuted. 0 times theorem prover too weak. 4057 trivial. 0 not checked. [2022-11-15 01:21:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:10,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329924755] [2022-11-15 01:21:10,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329924755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 01:21:10,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 01:21:10,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 01:21:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96323314] [2022-11-15 01:21:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:21:10,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 01:21:10,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:10,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 01:21:10,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 01:21:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:10,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:10,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 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) [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-15 01:21:10,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:21:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-15 01:21:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:10,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 01:21:10,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:10,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:10,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1620000164, now seen corresponding path program 1 times [2022-11-15 01:21:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:10,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303747753] [2022-11-15 01:21:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:10,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5777 backedges. 1735 proven. 1 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2022-11-15 01:21:10,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:10,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303747753] [2022-11-15 01:21:10,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303747753] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:10,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905517025] [2022-11-15 01:21:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:10,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:10,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:10,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:21:10,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 01:21:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:10,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-15 01:21:10,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:10,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:21:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5777 backedges. 1735 proven. 1 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2022-11-15 01:21:10,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:21:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5777 backedges. 1735 proven. 1 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2022-11-15 01:21:11,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905517025] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:21:11,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:21:11,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-11-15 01:21:11,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095118756] [2022-11-15 01:21:11,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:21:11,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 01:21:11,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:11,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 01:21:11,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-15 01:21:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:11,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:11,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.571428571428573) internal successors, (200), 7 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) [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:11,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-15 01:21:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-11-15 01:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:11,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:11,717 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 [2022-11-15 01:21:11,718 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash -208144107, now seen corresponding path program 4 times [2022-11-15 01:21:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:11,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668040316] [2022-11-15 01:21:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4218 backedges. 3318 proven. 222 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2022-11-15 01:21:17,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:17,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668040316] [2022-11-15 01:21:17,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668040316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:17,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138391905] [2022-11-15 01:21:17,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 01:21:17,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:17,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:17,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:21:17,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 01:21:17,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 01:21:17,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:21:17,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-15 01:21:17,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:18,165 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 13 treesize of output 9 [2022-11-15 01:21:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4218 backedges. 1642 proven. 5 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-11-15 01:21:18,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:21:18,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-11-15 01:21:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4218 backedges. 1647 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-11-15 01:21:18,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138391905] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:18,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 01:21:18,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [50, 8] total 59 [2022-11-15 01:21:18,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811251254] [2022-11-15 01:21:18,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:21:18,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 01:21:18,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:18,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 01:21:18,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=3098, Unknown=0, NotChecked=0, Total=3422 [2022-11-15 01:21:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:18,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:18,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.428571428571427) internal successors, (199), 7 states have internal predecessors, (199), 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) [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:18,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 01:21:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 01:21:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 01:21:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-11-15 01:21:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:21:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 01:21:18,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 01:21:18,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:18,946 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 [2022-11-15 01:21:18,950 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2022-11-15 01:21:18,951 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (1/9) [2022-11-15 01:21:18,954 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 01:21:18,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 01:21:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:18,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 01:21:18,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-11-15 01:21:18,968 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 01:21:18,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 01:21:18,969 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;@2b5344b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 01:21:18,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 01:21:19,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:19,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1713582480, now seen corresponding path program 1 times [2022-11-15 01:21:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:19,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600548049] [2022-11-15 01:21:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:19,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:21:19,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:19,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600548049] [2022-11-15 01:21:19,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600548049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 01:21:19,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 01:21:19,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-15 01:21:19,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098503342] [2022-11-15 01:21:19,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:21:19,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-15 01:21:19,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:19,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-15 01:21:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-15 01:21:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:19,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:19,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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) [2022-11-15 01:21:19,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:19,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 01:21:19,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1391061694, now seen corresponding path program 1 times [2022-11-15 01:21:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:19,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496651023] [2022-11-15 01:21:19,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:21:20,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:20,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496651023] [2022-11-15 01:21:20,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496651023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:20,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749362174] [2022-11-15 01:21:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:20,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:20,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:20,181 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) [2022-11-15 01:21:20,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-15 01:21:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:20,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-15 01:21:20,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:20,606 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 11 treesize of output 7 [2022-11-15 01:21:20,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-15 01:21:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:21:20,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:21:20,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2022-11-15 01:21:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 01:21:21,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749362174] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:21:21,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:21:21,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 24 [2022-11-15 01:21:21,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788137737] [2022-11-15 01:21:21,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:21:21,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-15 01:21:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:21,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-15 01:21:21,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-11-15 01:21:21,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:21,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:21,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.125) internal successors, (195), 25 states have internal predecessors, (195), 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) [2022-11-15 01:21:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:21,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:21,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:21:21,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:21,835 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 [2022-11-15 01:21:21,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:21,836 INFO L85 PathProgramCache]: Analyzing trace with hash 227535487, now seen corresponding path program 1 times [2022-11-15 01:21:21,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:21,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787778815] [2022-11-15 01:21:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 01:21:22,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:22,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787778815] [2022-11-15 01:21:22,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787778815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:22,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542888840] [2022-11-15 01:21:22,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:22,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:22,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:22,542 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) [2022-11-15 01:21:22,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-15 01:21:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:22,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-15 01:21:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:23,013 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 11 treesize of output 7 [2022-11-15 01:21:23,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:24,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:24,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:21:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:21:24,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:21:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:21:25,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542888840] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:25,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 01:21:25,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [20, 18] total 49 [2022-11-15 01:21:25,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503146658] [2022-11-15 01:21:25,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:21:25,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-15 01:21:25,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:25,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-15 01:21:25,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2230, Unknown=0, NotChecked=0, Total=2450 [2022-11-15 01:21:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:25,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:25,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 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) [2022-11-15 01:21:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:21:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:21:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:21:25,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:25,986 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 [2022-11-15 01:21:25,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1907423169, now seen corresponding path program 2 times [2022-11-15 01:21:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829214589] [2022-11-15 01:21:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:25,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 01:21:27,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:27,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829214589] [2022-11-15 01:21:27,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829214589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:27,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060472112] [2022-11-15 01:21:27,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 01:21:27,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:27,045 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) [2022-11-15 01:21:27,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-15 01:21:27,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 01:21:27,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:21:27,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-15 01:21:27,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:27,441 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 11 treesize of output 7 [2022-11-15 01:21:27,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:28,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-15 01:21:29,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:29,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:21:29,385 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 84 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:21:29,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:21:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 15 refuted. 1 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:21:40,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060472112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:21:40,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:21:40,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 20] total 65 [2022-11-15 01:21:40,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686010786] [2022-11-15 01:21:40,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:21:40,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-11-15 01:21:40,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:21:40,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-11-15 01:21:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=3911, Unknown=3, NotChecked=0, Total=4290 [2022-11-15 01:21:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:40,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:21:40,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 6.415384615384616) internal successors, (417), 66 states have internal predecessors, (417), 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) [2022-11-15 01:21:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:21:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:21:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:21:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:21:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:21:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:21:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-11-15 01:21:47,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-15 01:21:47,904 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 [2022-11-15 01:21:47,905 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:21:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:21:47,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1536935904, now seen corresponding path program 1 times [2022-11-15 01:21:47,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:21:47,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498291179] [2022-11-15 01:21:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:47,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:21:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 300 proven. 250 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 01:21:50,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:21:50,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498291179] [2022-11-15 01:21:50,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498291179] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:21:50,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176139505] [2022-11-15 01:21:50,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:21:50,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:21:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:21:50,756 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:21:50,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-15 01:21:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:21:50,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-15 01:21:50,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:21:51,239 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 11 treesize of output 7 [2022-11-15 01:21:51,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:52,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-15 01:21:53,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:53,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:54,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:55,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:56,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:21:56,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:21:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 295 proven. 246 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:21:56,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:23:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 430 proven. 79 refuted. 32 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 01:23:25,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176139505] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:23:25,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:23:25,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 43, 40] total 128 [2022-11-15 01:23:25,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734081813] [2022-11-15 01:23:25,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:23:25,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2022-11-15 01:23:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:23:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2022-11-15 01:23:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1652, Invalid=14828, Unknown=32, NotChecked=0, Total=16512 [2022-11-15 01:23:25,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:23:25,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:23:25,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 128 states have (on average 6.1640625) internal successors, (789), 129 states have internal predecessors, (789), 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) [2022-11-15 01:23:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:23:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 01:23:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:23:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-11-15 01:23:25,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:23:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:23:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:23:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:23:45,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-15 01:23:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 01:23:45,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-15 01:23:45,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-15 01:23:45,377 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:23:45,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:23:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1800310582, now seen corresponding path program 2 times [2022-11-15 01:23:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:23:45,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802688385] [2022-11-15 01:23:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:23:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:23:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:23:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 938 proven. 542 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 01:23:50,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:23:50,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802688385] [2022-11-15 01:23:50,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802688385] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:23:50,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937451577] [2022-11-15 01:23:50,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 01:23:50,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:23:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:23:50,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:23:50,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-15 01:23:50,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 01:23:50,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:23:50,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-15 01:23:50,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:23:52,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:23:52,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:23:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 370 proven. 140 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2022-11-15 01:23:52,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:23:52,782 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-15 01:23:52,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 36 [2022-11-15 01:23:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 498 proven. 12 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2022-11-15 01:23:53,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937451577] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:23:53,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:23:53,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 13, 12] total 93 [2022-11-15 01:23:53,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567904095] [2022-11-15 01:23:53,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:23:53,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-11-15 01:23:53,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:23:53,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-11-15 01:23:53,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=8092, Unknown=0, NotChecked=0, Total=8742 [2022-11-15 01:23:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:23:53,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:23:53,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 7.419354838709677) internal successors, (690), 94 states have internal predecessors, (690), 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) [2022-11-15 01:23:53,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:23:53,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:23:53,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:23:53,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-15 01:23:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 01:23:53,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:24:22,901 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-15 01:24:54,415 WARN L233 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 92 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-15 01:25:09,797 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 98 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-15 01:25:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:25:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:25:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:25:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-15 01:25:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-11-15 01:25:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-11-15 01:25:34,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-15 01:25:34,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-15 01:25:34,767 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:25:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:25:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1950186552, now seen corresponding path program 1 times [2022-11-15 01:25:34,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:25:34,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749072774] [2022-11-15 01:25:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:25:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:25:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:25:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 58537 backedges. 24789 proven. 8 refuted. 0 times theorem prover too weak. 33740 trivial. 0 not checked. [2022-11-15 01:25:37,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:25:37,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749072774] [2022-11-15 01:25:37,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749072774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:25:37,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964096332] [2022-11-15 01:25:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:25:37,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:25:37,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:25:37,900 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:25:37,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-15 01:25:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:25:38,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-15 01:25:38,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:25:38,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:25:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 58537 backedges. 14807 proven. 0 refuted. 0 times theorem prover too weak. 43730 trivial. 0 not checked. [2022-11-15 01:25:38,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 01:25:38,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964096332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 01:25:38,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 01:25:38,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-11-15 01:25:38,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124399668] [2022-11-15 01:25:38,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 01:25:38,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 01:25:38,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:25:38,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 01:25:38,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-15 01:25:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:25:38,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:25:38,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 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) [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-11-15 01:25:38,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:25:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:25:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:25:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:25:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-15 01:25:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-11-15 01:25:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-11-15 01:25:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:25:39,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-15 01:25:39,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:25:39,419 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 01:25:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 01:25:39,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1860379693, now seen corresponding path program 2 times [2022-11-15 01:25:39,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 01:25:39,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349573121] [2022-11-15 01:25:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 01:25:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 01:25:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 01:25:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 50692 backedges. 18903 proven. 8 refuted. 0 times theorem prover too weak. 31781 trivial. 0 not checked. [2022-11-15 01:25:42,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 01:25:42,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349573121] [2022-11-15 01:25:42,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349573121] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 01:25:42,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721507692] [2022-11-15 01:25:42,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 01:25:42,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 01:25:42,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 01:25:42,188 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 01:25:42,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-15 01:25:42,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 01:25:42,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 01:25:42,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 4435 conjuncts, 380 conjunts are in the unsatisfiable core [2022-11-15 01:25:42,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 01:25:43,112 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 11 treesize of output 7 [2022-11-15 01:25:43,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:43,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-15 01:25:44,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:44,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:44,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:45,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:45,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:46,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:46,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:47,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:48,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:48,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:25:48,781 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 11 treesize of output 7 [2022-11-15 01:25:49,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:50,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:50,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:51,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:52,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:53,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:54,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:54,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:25:54,769 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 11 treesize of output 7 [2022-11-15 01:25:56,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:57,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:58,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:25:59,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:26:00,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-15 01:26:01,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:26:01,820 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 11 treesize of output 7 [2022-11-15 01:26:02,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 01:26:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 50692 backedges. 33256 proven. 3335 refuted. 0 times theorem prover too weak. 14101 trivial. 0 not checked. [2022-11-15 01:26:02,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 01:26:02,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-11-15 01:26:10,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2022-11-15 01:26:17,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2022-11-15 01:26:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 50692 backedges. 34708 proven. 1883 refuted. 0 times theorem prover too weak. 14101 trivial. 0 not checked. [2022-11-15 01:26:31,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721507692] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 01:26:31,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 01:26:31,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 141, 137] total 284 [2022-11-15 01:26:31,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361009411] [2022-11-15 01:26:31,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 01:26:31,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 284 states [2022-11-15 01:26:31,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 01:26:31,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 284 interpolants. [2022-11-15 01:26:31,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15039, Invalid=65333, Unknown=0, NotChecked=0, Total=80372 [2022-11-15 01:26:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:26:31,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 01:26:31,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 284 states, 284 states have (on average 7.584507042253521) internal successors, (2154), 284 states have internal predecessors, (2154), 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) [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 01:26:31,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 01:29:31,766 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 68 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-11-15 01:32:44,060 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 01:32:44,060 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 01:32:44,073 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 01:32:44,081 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 01:32:45,062 WARN L249 SmtUtils]: Removed 3 from assertion stack [2022-11-15 01:32:45,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2022-11-15 01:32:45,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-15 01:32:45,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-15 01:32:45,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-11-15 01:32:45,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-15 01:32:45,263 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 112 for 116484ms.. [2022-11-15 01:32:45,263 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2022-11-15 01:32:45,264 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2022-11-15 01:32:45,264 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW was TIMEOUT (2/9) [2022-11-15 01:32:45,265 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 01:32:45,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 01:32:45,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 01:32:45 BasicIcfg [2022-11-15 01:32:45,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 01:32:45,269 INFO L158 Benchmark]: Toolchain (without parser) took 822949.46ms. Allocated memory was 202.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 170.4MB in the beginning and 949.3MB in the end (delta: -778.9MB). Peak memory consumption was 634.3MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,269 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 202.4MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 01:32:45,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.61ms. Allocated memory was 202.4MB in the beginning and 288.4MB in the end (delta: 86.0MB). Free memory was 170.2MB in the beginning and 246.2MB in the end (delta: -76.0MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.73ms. Allocated memory is still 288.4MB. Free memory was 246.2MB in the beginning and 243.8MB in the end (delta: 2.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,269 INFO L158 Benchmark]: Boogie Preprocessor took 36.31ms. Allocated memory is still 288.4MB. Free memory was 243.8MB in the beginning and 242.1MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,269 INFO L158 Benchmark]: RCFGBuilder took 447.92ms. Allocated memory is still 288.4MB. Free memory was 242.1MB in the beginning and 225.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,270 INFO L158 Benchmark]: TraceAbstraction took 821959.05ms. Allocated memory was 288.4MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 224.6MB in the beginning and 949.3MB in the end (delta: -724.6MB). Peak memory consumption was 602.7MB. Max. memory is 8.0GB. [2022-11-15 01:32:45,270 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 158.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 455.61ms. Allocated memory was 202.4MB in the beginning and 288.4MB in the end (delta: 86.0MB). Free memory was 170.2MB in the beginning and 246.2MB in the end (delta: -76.0MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.73ms. Allocated memory is still 288.4MB. Free memory was 246.2MB in the beginning and 243.8MB in the end (delta: 2.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.31ms. Allocated memory is still 288.4MB. Free memory was 243.8MB in the beginning and 242.1MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 447.92ms. Allocated memory is still 288.4MB. Free memory was 242.1MB in the beginning and 225.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 821959.05ms. Allocated memory was 288.4MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 224.6MB in the beginning and 949.3MB in the end (delta: -724.6MB). Peak memory consumption was 602.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24643, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 2920, dependent conditional: 2898, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21959, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 236, dependent conditional: 214, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21959, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 236, dependent conditional: 214, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 751, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 750, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 750, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5154, independent: 5010, independent conditional: 1, independent unconditional: 5009, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5154, independent: 5003, independent conditional: 0, independent unconditional: 5003, dependent: 151, dependent conditional: 0, dependent unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 151, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 151, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 425, independent: 49, independent conditional: 1, independent unconditional: 48, dependent: 376, dependent conditional: 324, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22716, independent: 16713, independent conditional: 5, independent unconditional: 16708, dependent: 849, dependent conditional: 628, dependent unconditional: 221, unknown: 5154, unknown conditional: 123, unknown unconditional: 5031] , Statistics on independence cache: Total cache size (in pairs): 5154, Positive cache size: 5010, Positive conditional cache size: 1, Positive unconditional cache size: 5009, Negative cache size: 144, Negative conditional cache size: 122, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 5, Independence queries for same thread: 2684 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 530, Number of trivial persistent sets: 306, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8875, independent: 8853, independent conditional: 0, independent unconditional: 8853, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24643, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 2920, dependent conditional: 2898, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21959, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 236, dependent conditional: 214, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21959, independent: 21723, independent conditional: 12870, independent unconditional: 8853, dependent: 236, dependent conditional: 214, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 751, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 750, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22716, independent: 21723, independent conditional: 6, independent unconditional: 21717, dependent: 993, dependent conditional: 750, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5154, independent: 5010, independent conditional: 1, independent unconditional: 5009, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5154, independent: 5003, independent conditional: 0, independent unconditional: 5003, dependent: 151, dependent conditional: 0, dependent unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 151, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 151, independent: 7, independent conditional: 1, independent unconditional: 6, dependent: 144, dependent conditional: 122, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 425, independent: 49, independent conditional: 1, independent unconditional: 48, dependent: 376, dependent conditional: 324, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22716, independent: 16713, independent conditional: 5, independent unconditional: 16708, dependent: 849, dependent conditional: 628, dependent unconditional: 221, unknown: 5154, unknown conditional: 123, unknown unconditional: 5031] , Statistics on independence cache: Total cache size (in pairs): 5154, Positive cache size: 5010, Positive conditional cache size: 1, Positive unconditional cache size: 5009, Negative cache size: 144, Negative conditional cache size: 122, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 5, Independence queries for same thread: 2684 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 56807, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 12365, dependent conditional: 12343, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44803, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 361, dependent conditional: 339, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44803, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 361, dependent conditional: 339, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1984, dependent unconditional: 361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1913, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1913, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5277, independent: 4990, independent conditional: 0, independent unconditional: 4990, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5277, independent: 4985, independent conditional: 0, independent unconditional: 4985, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 292, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 292, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 504, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 473, dependent conditional: 442, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46787, independent: 39452, independent conditional: 0, independent unconditional: 39452, dependent: 2058, dependent conditional: 1648, dependent unconditional: 410, unknown: 5277, unknown conditional: 265, unknown unconditional: 5012] , Statistics on independence cache: Total cache size (in pairs): 5277, Positive cache size: 4990, Positive conditional cache size: 0, Positive unconditional cache size: 4990, Negative cache size: 287, Negative conditional cache size: 265, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 7, Independence queries for same thread: 12004 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 491, Number of trivial persistent sets: 267, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9009, independent: 8987, independent conditional: 0, independent unconditional: 8987, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 56807, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 12365, dependent conditional: 12343, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44803, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 361, dependent conditional: 339, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44803, independent: 44442, independent conditional: 35455, independent unconditional: 8987, dependent: 361, dependent conditional: 339, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1984, dependent unconditional: 361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1913, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46787, independent: 44442, independent conditional: 0, independent unconditional: 44442, dependent: 2345, dependent conditional: 1913, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5277, independent: 4990, independent conditional: 0, independent unconditional: 4990, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5277, independent: 4985, independent conditional: 0, independent unconditional: 4985, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 292, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 292, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 287, dependent conditional: 265, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 504, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 473, dependent conditional: 442, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 46787, independent: 39452, independent conditional: 0, independent unconditional: 39452, dependent: 2058, dependent conditional: 1648, dependent unconditional: 410, unknown: 5277, unknown conditional: 265, unknown unconditional: 5012] , Statistics on independence cache: Total cache size (in pairs): 5277, Positive cache size: 4990, Positive conditional cache size: 0, Positive unconditional cache size: 4990, Negative cache size: 287, Negative conditional cache size: 265, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 7, Independence queries for same thread: 12004 - PositiveResult [Line: 715]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - TimeoutResultAtElement [Line: 715]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 112 for 116484ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW with 1 thread instances CFG has 3 procedures, 202 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 135.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 58.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 74.3s InterpolantComputationTime, 6954 NumberOfCodeBlocks, 6122 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 9922 ConstructedInterpolants, 182 QuantifiedInterpolants, 37028 SizeOfPredicates, 98 NumberOfNonLiveVariables, 4425 ConjunctsInSsa, 192 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 47843/48524 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW with 1 thread instances CFG has 3 procedures, 202 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 686.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 503.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1545, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 178.7s InterpolantComputationTime, 11877 NumberOfCodeBlocks, 11877 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 15281 ConstructedInterpolants, 766 QuantifiedInterpolants, 90338 SizeOfPredicates, 328 NumberOfNonLiveVariables, 11568 ConjunctsInSsa, 678 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 269190/275876 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