/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 19:28:23,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 19:28:23,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 19:28:23,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 19:28:23,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 19:28:23,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 19:28:23,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 19:28:23,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 19:28:23,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 19:28:23,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 19:28:23,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 19:28:23,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 19:28:23,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 19:28:23,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 19:28:23,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 19:28:23,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 19:28:23,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 19:28:23,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 19:28:23,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 19:28:23,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 19:28:23,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 19:28:23,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 19:28:23,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 19:28:23,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 19:28:23,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 19:28:23,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 19:28:23,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 19:28:23,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 19:28:23,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 19:28:23,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 19:28:23,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 19:28:23,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 19:28:23,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 19:28:23,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 19:28:23,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 19:28:23,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 19:28:23,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 19:28:23,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 19:28:23,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 19:28:23,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 19:28:23,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 19:28:23,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-15 19:28:23,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 19:28:23,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 19:28:23,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 19:28:23,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 19:28:23,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 19:28:23,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 19:28:23,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 19:28:23,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 19:28:23,290 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 19:28:23,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 19:28:23,291 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 19:28:23,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 19:28:23,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 19:28:23,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 19:28:23,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 19:28:23,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 19:28:23,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 19:28:23,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 19:28:23,293 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 19:28:23,294 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 19:28:23,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 19:28:23,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 19:28:23,294 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 19:28:23,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 19:28:23,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 19:28:23,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 19:28:23,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 19:28:23,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 19:28:23,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 19:28:23,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 19:28:23,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2022-11-15 19:28:23,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82637b9a0/78e54ac081c9497c8c43cb4af20f0942/FLAG458916b11 [2022-11-15 19:28:24,007 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 19:28:24,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2022-11-15 19:28:24,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82637b9a0/78e54ac081c9497c8c43cb4af20f0942/FLAG458916b11 [2022-11-15 19:28:24,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82637b9a0/78e54ac081c9497c8c43cb4af20f0942 [2022-11-15 19:28:24,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 19:28:24,359 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 19:28:24,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 19:28:24,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 19:28:24,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 19:28:24,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:24,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbde6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24, skipping insertion in model container [2022-11-15 19:28:24,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:24,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 19:28:24,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 19:28:24,582 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i[818,831] [2022-11-15 19:28:24,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 19:28:24,847 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 19:28:24,857 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i[818,831] [2022-11-15 19:28:24,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 19:28:24,955 INFO L208 MainTranslator]: Completed translation [2022-11-15 19:28:24,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24 WrapperNode [2022-11-15 19:28:24,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 19:28:24,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 19:28:24,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 19:28:24,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 19:28:24,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:24,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:24,994 INFO L138 Inliner]: procedures = 365, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-15 19:28:24,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 19:28:24,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 19:28:24,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 19:28:24,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 19:28:25,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 19:28:25,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 19:28:25,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 19:28:25,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 19:28:25,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (1/1) ... [2022-11-15 19:28:25,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 19:28:25,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:25,081 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 19:28:25,101 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 19:28:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 19:28:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 19:28:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 19:28:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 19:28:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 19:28:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2022-11-15 19:28:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2022-11-15 19:28:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 19:28:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 19:28:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 19:28:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 19:28:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 19:28:25,121 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 19:28:25,295 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 19:28:25,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 19:28:25,456 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 19:28:25,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 19:28:25,480 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-15 19:28:25,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:28:25 BoogieIcfgContainer [2022-11-15 19:28:25,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 19:28:25,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 19:28:25,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 19:28:25,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 19:28:25,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 07:28:24" (1/3) ... [2022-11-15 19:28:25,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962fdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:28:25, skipping insertion in model container [2022-11-15 19:28:25,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:28:24" (2/3) ... [2022-11-15 19:28:25,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962fdec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:28:25, skipping insertion in model container [2022-11-15 19:28:25,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:28:25" (3/3) ... [2022-11-15 19:28:25,490 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2022-11-15 19:28:25,497 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 19:28:25,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 19:28:25,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-15 19:28:25,505 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 19:28:25,546 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-15 19:28:25,578 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 19:28:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 19:28:25,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:25,604 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 19:28:25,606 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 19:28:25,645 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 19:28:25,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2022-11-15 19:28:25,671 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;@296112f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 19:28:25,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 19:28:25,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:25,912 INFO L85 PathProgramCache]: Analyzing trace with hash -878708526, now seen corresponding path program 1 times [2022-11-15 19:28:25,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:25,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58187325] [2022-11-15 19:28:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:26,158 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 19:28:26,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:26,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58187325] [2022-11-15 19:28:26,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58187325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 19:28:26,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 19:28:26,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 19:28:26,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83394057] [2022-11-15 19:28:26,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 19:28:26,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 19:28:26,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:26,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 19:28:26,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 19:28:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:26,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 19:28:26,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 19:28:26,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:26,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:26,234 INFO L85 PathProgramCache]: Analyzing trace with hash -354551961, now seen corresponding path program 1 times [2022-11-15 19:28:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:26,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403845677] [2022-11-15 19:28:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:26,445 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 19:28:26,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:26,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403845677] [2022-11-15 19:28:26,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403845677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 19:28:26,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 19:28:26,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 19:28:26,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813902841] [2022-11-15 19:28:26,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 19:28:26,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 19:28:26,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 19:28:26,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 19:28:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:26,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 19:28:26,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:26,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 19:28:26,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:26,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1987551330, now seen corresponding path program 1 times [2022-11-15 19:28:26,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:26,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113928167] [2022-11-15 19:28:26,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:26,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:26,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:26,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113928167] [2022-11-15 19:28:26,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113928167] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:26,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798486784] [2022-11-15 19:28:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:26,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:26,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:26,623 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 19:28:26,624 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 19:28:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:26,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-15 19:28:26,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:26,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:26,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798486784] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:26,943 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:26,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-15 19:28:26,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817763425] [2022-11-15 19:28:26,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:26,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 19:28:26,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:26,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 19:28:26,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-15 19:28:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:26,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 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 19:28:26,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:26,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:26,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:27,027 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 19:28:27,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-15 19:28:27,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:27,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash 735283111, now seen corresponding path program 2 times [2022-11-15 19:28:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:27,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571517544] [2022-11-15 19:28:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:27,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:27,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571517544] [2022-11-15 19:28:27,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571517544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:27,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465448235] [2022-11-15 19:28:27,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 19:28:27,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:27,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:27,452 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 19:28:27,454 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 19:28:27,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 19:28:27,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:28:27,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 19:28:27,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:27,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:27,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465448235] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:27,765 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:27,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-15 19:28:27,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939404082] [2022-11-15 19:28:27,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:27,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-15 19:28:27,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:27,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-15 19:28:27,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-15 19:28:27,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:27,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.916666666666666) internal successors, (167), 13 states have internal predecessors, (167), 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 19:28:27,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:27,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:27,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:27,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-15 19:28:28,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:28,045 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash -211092473, now seen corresponding path program 3 times [2022-11-15 19:28:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:28,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458529467] [2022-11-15 19:28:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:28,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:28,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458529467] [2022-11-15 19:28:28,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458529467] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:28,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96794738] [2022-11-15 19:28:28,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 19:28:28,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:28,341 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 19:28:28,343 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 19:28:28,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-15 19:28:28,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:28:28,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-15 19:28:28,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:28,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:28,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96794738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:28,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:28,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-11-15 19:28:28,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332663027] [2022-11-15 19:28:28,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:28,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-15 19:28:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:28,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-15 19:28:28,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-15 19:28:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:28,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:28,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 10.458333333333334) internal successors, (251), 25 states have internal predecessors, (251), 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 19:28:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:28,965 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 19:28:29,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:29,156 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:29,156 INFO L85 PathProgramCache]: Analyzing trace with hash -447120185, now seen corresponding path program 4 times [2022-11-15 19:28:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:29,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017749078] [2022-11-15 19:28:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 0 proven. 1661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:29,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:29,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017749078] [2022-11-15 19:28:29,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017749078] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:29,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394433834] [2022-11-15 19:28:29,896 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 19:28:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:29,898 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 19:28:29,900 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 19:28:30,030 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 19:28:30,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:28:30,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-15 19:28:30,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 1652 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-15 19:28:31,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 19:28:31,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394433834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 19:28:31,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 19:28:31,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [24] total 66 [2022-11-15 19:28:31,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535175673] [2022-11-15 19:28:31,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 19:28:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-15 19:28:31,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:31,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-15 19:28:31,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=3508, Unknown=0, NotChecked=0, Total=4290 [2022-11-15 19:28:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:31,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:31,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.558139534883721) internal successors, (196), 43 states have internal predecessors, (196), 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 19:28:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:31,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:31,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:31,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:31,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:31,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:32,547 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 19:28:32,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:32,740 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash -951914678, now seen corresponding path program 1 times [2022-11-15 19:28:32,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:32,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748672896] [2022-11-15 19:28:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:33,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:33,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748672896] [2022-11-15 19:28:33,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748672896] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:33,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783277320] [2022-11-15 19:28:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:33,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:33,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:33,457 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 19:28:33,460 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 19:28:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:33,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-15 19:28:33,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:33,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:34,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783277320] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:34,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:34,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2022-11-15 19:28:34,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426096943] [2022-11-15 19:28:34,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:34,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-15 19:28:34,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:34,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-15 19:28:34,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1004, Invalid=1348, Unknown=0, NotChecked=0, Total=2352 [2022-11-15 19:28:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:34,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:34,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 8.3125) internal successors, (399), 49 states have internal predecessors, (399), 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 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:34,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:34,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-15 19:28:34,800 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 19:28:34,999 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 19:28:35,000 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:35,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1433932315, now seen corresponding path program 1 times [2022-11-15 19:28:35,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:35,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713421518] [2022-11-15 19:28:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:35,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:35,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713421518] [2022-11-15 19:28:35,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713421518] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:35,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130007071] [2022-11-15 19:28:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:35,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:35,868 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 19:28:35,871 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 19:28:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:35,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-15 19:28:35,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:36,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:37,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130007071] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:37,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:37,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-11-15 19:28:37,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323204158] [2022-11-15 19:28:37,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:37,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-15 19:28:37,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-15 19:28:37,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1340, Invalid=2320, Unknown=0, NotChecked=0, Total=3660 [2022-11-15 19:28:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:37,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:37,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 7.85) internal successors, (471), 61 states have internal predecessors, (471), 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 19:28:37,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:37,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:37,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:37,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:37,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:37,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:37,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-15 19:28:37,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:28:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-15 19:28:38,277 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 19:28:38,470 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 19:28:38,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:38,471 INFO L85 PathProgramCache]: Analyzing trace with hash 955176603, now seen corresponding path program 2 times [2022-11-15 19:28:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:38,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181939895] [2022-11-15 19:28:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:39,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:39,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181939895] [2022-11-15 19:28:39,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181939895] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:39,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311150233] [2022-11-15 19:28:39,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 19:28:39,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:39,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:39,994 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 19:28:39,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 19:28:40,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 19:28:40,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:28:40,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-15 19:28:40,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:40,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 1730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:42,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311150233] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:42,119 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:42,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 84 [2022-11-15 19:28:42,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860035182] [2022-11-15 19:28:42,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:42,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-11-15 19:28:42,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:42,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-11-15 19:28:42,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2228, Invalid=4912, Unknown=0, NotChecked=0, Total=7140 [2022-11-15 19:28:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:42,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:42,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 7.321428571428571) internal successors, (615), 85 states have internal predecessors, (615), 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 19:28:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:28:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-11-15 19:28:42,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 19:28:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-15 19:28:44,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-15 19:28:45,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-15 19:28:45,116 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:28:45,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:28:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash -344107513, now seen corresponding path program 3 times [2022-11-15 19:28:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:28:45,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258233184] [2022-11-15 19:28:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:28:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:28:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:28:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 0 proven. 3902 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:48,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:28:48,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258233184] [2022-11-15 19:28:48,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258233184] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:28:48,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648562159] [2022-11-15 19:28:48,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 19:28:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:28:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:28:48,384 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 19:28:48,386 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 19:28:48,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-11-15 19:28:48,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:28:48,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-15 19:28:48,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:28:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 0 proven. 3902 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:49,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 19:28:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 0 proven. 3902 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:28:52,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648562159] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 19:28:52,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 19:28:52,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 132 [2022-11-15 19:28:52,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373916310] [2022-11-15 19:28:52,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 19:28:52,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2022-11-15 19:28:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:28:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2022-11-15 19:28:52,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4868, Invalid=12688, Unknown=0, NotChecked=0, Total=17556 [2022-11-15 19:28:52,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:52,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:28:52,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 132 states have (on average 6.840909090909091) internal successors, (903), 133 states have internal predecessors, (903), 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 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:28:52,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:28:52,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:28:52,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 19:28:52,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-15 19:28:52,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 19:29:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-15 19:29:01,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2022-11-15 19:29:01,239 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 19:29:01,433 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 19:29:01,433 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 19:29:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 19:29:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash -284881697, now seen corresponding path program 4 times [2022-11-15 19:29:01,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 19:29:01,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193562097] [2022-11-15 19:29:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 19:29:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 19:29:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 19:29:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13430 backedges. 0 proven. 13430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 19:29:11,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 19:29:11,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193562097] [2022-11-15 19:29:11,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193562097] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 19:29:11,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243934835] [2022-11-15 19:29:11,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 19:29:11,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 19:29:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 19:29:11,104 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 19:29:11,106 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 19:29:11,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 19:29:11,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 19:29:11,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-15 19:29:11,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 19:29:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 13430 backedges. 8464 proven. 0 refuted. 0 times theorem prover too weak. 4966 trivial. 0 not checked. [2022-11-15 19:29:13,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 19:29:13,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243934835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 19:29:13,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 19:29:13,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [114] total 156 [2022-11-15 19:29:13,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274656204] [2022-11-15 19:29:13,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 19:29:13,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-15 19:29:13,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 19:29:13,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-15 19:29:13,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3935, Invalid=20245, Unknown=0, NotChecked=0, Total=24180 [2022-11-15 19:29:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:29:13,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 19:29:13,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.255813953488372) internal successors, (312), 43 states have internal predecessors, (312), 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 19:29:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 19:29:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 19:29:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 19:29:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 19:29:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2022-11-15 19:29:13,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.