/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -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-divine/divinefifo_1w1r.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:44:24,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:44:24,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:44:24,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:44:24,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:44:24,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:44:24,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:44:24,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:44:24,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:44:24,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:44:24,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:44:24,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:44:24,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:44:24,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:44:24,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:44:24,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:44:24,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:44:24,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:44:24,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:44:24,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:44:24,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:44:24,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:44:24,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:44:24,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:44:24,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:44:24,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:44:24,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:44:24,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:44:24,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:44:24,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:44:24,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:44:24,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:44:24,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:44:24,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:44:24,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:44:24,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:44:24,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:44:24,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:44:24,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:44:24,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:44:24,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:44:24,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:44:24,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:44:24,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:44:24,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:44:24,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:44:24,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:44:24,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:44:24,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:44:24,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:44:24,181 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:44:24,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:44:24,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:44:24,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:44:24,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:44:24,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:44:24,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:24,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:44:24,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:44:24,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:44:24,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:44:24,186 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:44:24,186 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:44:24,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:44:24,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:44:24,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:44:24,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:44:24,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:44:24,440 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:44:24,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i [2022-09-16 12:44:24,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149405cdc/1553f62642524211af768e68953255c6/FLAG073cbd1f8 [2022-09-16 12:44:24,982 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:44:24,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i [2022-09-16 12:44:24,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149405cdc/1553f62642524211af768e68953255c6/FLAG073cbd1f8 [2022-09-16 12:44:25,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149405cdc/1553f62642524211af768e68953255c6 [2022-09-16 12:44:25,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:44:25,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:44:25,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:25,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:44:25,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:44:25,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:25" (1/1) ... [2022-09-16 12:44:25,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de892e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:25, skipping insertion in model container [2022-09-16 12:44:25,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:25" (1/1) ... [2022-09-16 12:44:25,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:44:25,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:44:25,665 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:25,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-09-16 12:44:25,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-09-16 12:44:25,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-09-16 12:44:25,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-09-16 12:44:25,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-09-16 12:44:25,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-09-16 12:44:25,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-09-16 12:44:25,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-09-16 12:44:25,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-09-16 12:44:25,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:25,979 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:44:25,989 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:26,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-09-16 12:44:26,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-09-16 12:44:26,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-09-16 12:44:26,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-09-16 12:44:26,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-09-16 12:44:26,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-09-16 12:44:26,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-09-16 12:44:26,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-09-16 12:44:26,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-09-16 12:44:26,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:26,119 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:44:26,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26 WrapperNode [2022-09-16 12:44:26,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:26,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:26,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:44:26,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:44:26,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,216 INFO L138 Inliner]: procedures = 278, calls = 101, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 413 [2022-09-16 12:44:26,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:26,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:44:26,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:44:26,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:44:26,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:44:26,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:44:26,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:44:26,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:44:26,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (1/1) ... [2022-09-16 12:44:26,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:26,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:26,324 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) [2022-09-16 12:44:26,336 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 [2022-09-16 12:44:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-16 12:44:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-16 12:44:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:44:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-09-16 12:44:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:44:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:44:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:44:26,359 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:44:26,504 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:44:26,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:44:27,075 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:44:27,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:44:27,091 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-16 12:44:27,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:27 BoogieIcfgContainer [2022-09-16 12:44:27,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:44:27,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:44:27,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:44:27,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:44:27,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:44:25" (1/3) ... [2022-09-16 12:44:27,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d858563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:27, skipping insertion in model container [2022-09-16 12:44:27,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:26" (2/3) ... [2022-09-16 12:44:27,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d858563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:27, skipping insertion in model container [2022-09-16 12:44:27,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:27" (3/3) ... [2022-09-16 12:44:27,104 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.i [2022-09-16 12:44:27,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:44:27,124 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:44:27,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 12:44:27,125 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:44:27,239 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 12:44:27,307 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:27,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:44:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:27,315 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) [2022-09-16 12:44:27,340 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 [2022-09-16 12:44:27,354 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:44:27,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherThread1of1ForFork0 ======== [2022-09-16 12:44:27,380 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;@79383f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:27,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-09-16 12:44:27,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:27,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:27,483 INFO L85 PathProgramCache]: Analyzing trace with hash -604451630, now seen corresponding path program 1 times [2022-09-16 12:44:27,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:27,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593562152] [2022-09-16 12:44:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:27,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:27,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593562152] [2022-09-16 12:44:27,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593562152] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:27,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:27,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374457935] [2022-09-16 12:44:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:27,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 12:44:27,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 12:44:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 12:44:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:27,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:27,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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) [2022-09-16 12:44:27,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:27,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:44:27,912 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:27,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1328072086, now seen corresponding path program 1 times [2022-09-16 12:44:27,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:27,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80029002] [2022-09-16 12:44:27,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:28,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:28,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80029002] [2022-09-16 12:44:28,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80029002] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:28,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:28,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:28,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140963144] [2022-09-16 12:44:28,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:28,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:28,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:28,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:28,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:28,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-09-16 12:44:28,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:28,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:44:28,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:28,309 INFO L85 PathProgramCache]: Analyzing trace with hash 963478992, now seen corresponding path program 1 times [2022-09-16 12:44:28,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:28,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296541718] [2022-09-16 12:44:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:28,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-16 12:44:28,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:28,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296541718] [2022-09-16 12:44:28,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296541718] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:28,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:28,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:28,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122831468] [2022-09-16 12:44:28,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:28,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:28,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:28,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:28,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:28,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 66.5) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-09-16 12:44:28,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:28,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:28,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 12:44:28,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:28,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:28,564 INFO L85 PathProgramCache]: Analyzing trace with hash -196921133, now seen corresponding path program 1 times [2022-09-16 12:44:28,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:28,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720956938] [2022-09-16 12:44:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:28,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:28,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:28,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720956938] [2022-09-16 12:44:28,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720956938] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:28,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773089649] [2022-09-16 12:44:28,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:28,722 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) [2022-09-16 12:44:28,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-16 12:44:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:28,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:44:28,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:29,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:44:29,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773089649] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:29,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:44:29,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:44:29,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350611394] [2022-09-16 12:44:29,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:29,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:44:29,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:29,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:44:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:44:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:29,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:29,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 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) [2022-09-16 12:44:29,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:29,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:29,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:29,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:29,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-09-16 12:45:29,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-09-16 12:45:29,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-09-16 12:45:29,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-09-16 12:45:29,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-16 12:45:29,247 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,SelfDestructingSolverStorable3 [2022-09-16 12:45:29,253 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 12:45:29,254 INFO L307 ceAbstractionStarter]: Result for error location pusherThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2022-09-16 12:45:29,260 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:29,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:45:29,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:29,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-16 12:45:29,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-16 12:45:29,300 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:45:29,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-09-16 12:45:29,301 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;@79383f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:29,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 12:45:45,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:45,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1646959223, now seen corresponding path program 1 times [2022-09-16 12:45:45,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:45,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507103929] [2022-09-16 12:45:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:45,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2022-09-16 12:45:45,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:45,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507103929] [2022-09-16 12:45:45,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507103929] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:45,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:45,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:45,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535930091] [2022-09-16 12:45:45,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:45,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 12:45:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:45,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 12:45:45,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 12:45:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:45,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 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) [2022-09-16 12:45:45,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 12:45:45,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:45,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1228476028, now seen corresponding path program 1 times [2022-09-16 12:45:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946711404] [2022-09-16 12:45:45,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:45,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2022-09-16 12:45:45,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:45,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946711404] [2022-09-16 12:45:45,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946711404] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:45,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:45,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:45,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545468193] [2022-09-16 12:45:45,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:45,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:45,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:45,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:45,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 158.0) internal successors, (316), 3 states have internal predecessors, (316), 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) [2022-09-16 12:45:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:45,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 12:45:45,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:45,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:45,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1106118991, now seen corresponding path program 1 times [2022-09-16 12:45:45,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:45,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689012415] [2022-09-16 12:45:45,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6391 backedges. 3514 proven. 0 refuted. 0 times theorem prover too weak. 2877 trivial. 0 not checked. [2022-09-16 12:45:46,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:46,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689012415] [2022-09-16 12:45:46,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689012415] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:46,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:46,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:46,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084004309] [2022-09-16 12:45:46,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:46,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:46,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:46,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:46,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:46,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 284.0) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-09-16 12:45:46,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:47,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 12:45:47,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:47,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:47,042 INFO L85 PathProgramCache]: Analyzing trace with hash -70048709, now seen corresponding path program 1 times [2022-09-16 12:45:47,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:47,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302692849] [2022-09-16 12:45:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:47,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6392 backedges. 0 proven. 3516 refuted. 0 times theorem prover too weak. 2876 trivial. 0 not checked. [2022-09-16 12:45:48,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:48,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302692849] [2022-09-16 12:45:48,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302692849] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:48,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073895596] [2022-09-16 12:45:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:48,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:48,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:48,283 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) [2022-09-16 12:45:48,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-16 12:45:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:49,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 3960 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:45:49,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6392 backedges. 3516 proven. 0 refuted. 0 times theorem prover too weak. 2876 trivial. 0 not checked. [2022-09-16 12:45:50,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:45:50,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073895596] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:50,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:45:50,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:45:50,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671607345] [2022-09-16 12:45:50,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:50,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:45:50,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:50,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:45:50,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:45:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:50,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:50,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 4 states have internal predecessors, (569), 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) [2022-09-16 12:45:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:46:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:46:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:46:34,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:46:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:46:34,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 12:46:34,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 12:46:34,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-09-16 12:46:34,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-09-16 12:46:34,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 12:46:34,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-16 12:46:34,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:46:34,673 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 12:46:34,673 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2022-09-16 12:46:34,674 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 12:46:34,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 12:46:34,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:46:34 BasicIcfg [2022-09-16 12:46:34,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 12:46:34,678 INFO L158 Benchmark]: Toolchain (without parser) took 129212.91ms. Allocated memory was 185.6MB in the beginning and 671.1MB in the end (delta: 485.5MB). Free memory was 150.0MB in the beginning and 342.6MB in the end (delta: -192.6MB). Peak memory consumption was 425.3MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,679 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:46:34,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.66ms. Allocated memory was 185.6MB in the beginning and 266.3MB in the end (delta: 80.7MB). Free memory was 149.7MB in the beginning and 214.1MB in the end (delta: -64.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.55ms. Allocated memory is still 266.3MB. Free memory was 214.1MB in the beginning and 209.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,680 INFO L158 Benchmark]: Boogie Preprocessor took 78.36ms. Allocated memory is still 266.3MB. Free memory was 209.9MB in the beginning and 206.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,680 INFO L158 Benchmark]: RCFGBuilder took 798.31ms. Allocated memory is still 266.3MB. Free memory was 206.8MB in the beginning and 169.0MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,680 INFO L158 Benchmark]: TraceAbstraction took 127579.92ms. Allocated memory was 266.3MB in the beginning and 671.1MB in the end (delta: 404.8MB). Free memory was 168.5MB in the beginning and 342.6MB in the end (delta: -174.1MB). Peak memory consumption was 364.8MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 653.66ms. Allocated memory was 185.6MB in the beginning and 266.3MB in the end (delta: 80.7MB). Free memory was 149.7MB in the beginning and 214.1MB in the end (delta: -64.3MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 95.55ms. Allocated memory is still 266.3MB. Free memory was 214.1MB in the beginning and 209.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.36ms. Allocated memory is still 266.3MB. Free memory was 209.9MB in the beginning and 206.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 798.31ms. Allocated memory is still 266.3MB. Free memory was 206.8MB in the beginning and 169.0MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 127579.92ms. Allocated memory was 266.3MB in the beginning and 671.1MB in the end (delta: 404.8MB). Free memory was 168.5MB in the beginning and 342.6MB in the end (delta: -174.1MB). Peak memory consumption was 364.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100464, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 3788, negative conditional: 2906, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98476, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 1800, negative conditional: 918, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98476, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 1800, negative conditional: 918, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 2289, negative unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 0, negative unconditional: 4089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 0, negative unconditional: 4089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37957, positive: 37075, positive conditional: 0, positive unconditional: 37075, negative: 882, negative conditional: 0, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37957, positive: 37075, positive conditional: 0, positive unconditional: 37075, negative: 882, negative conditional: 0, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 882, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 826, negative conditional: 0, negative unconditional: 826, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58605, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1733, negative conditional: 0, negative unconditional: 1733, unknown: 56872, unknown conditional: 0, unknown unconditional: 56872] ], Cache Queries: [ total: 100765, positive: 59601, positive conditional: 0, positive unconditional: 59601, negative: 3207, negative conditional: 0, negative unconditional: 3207, unknown: 37957, unknown conditional: 0, unknown unconditional: 37957] , Statistics on independence cache: Total cache size (in pairs): 37957, Positive cache size: 37075, Positive conditional cache size: 0, Positive unconditional cache size: 37075, Negative cache size: 882, Negative conditional cache size: 0, Negative unconditional cache size: 882, Eliminated conditions: 2289, Maximal queried relation: 3, Independence queries for same thread: 1988 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 59.2s, Number of persistent set computation: 6653, Number of trivial persistent sets: 3964, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84004, positive: 83122, positive conditional: 0, positive unconditional: 83122, negative: 882, negative conditional: 0, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100464, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 3788, negative conditional: 2906, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98476, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 1800, negative conditional: 918, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98476, positive: 96676, positive conditional: 13554, positive unconditional: 83122, negative: 1800, negative conditional: 918, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 2289, negative unconditional: 1800, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 0, negative unconditional: 4089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100765, positive: 96676, positive conditional: 0, positive unconditional: 96676, negative: 4089, negative conditional: 0, negative unconditional: 4089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37957, positive: 37075, positive conditional: 0, positive unconditional: 37075, negative: 882, negative conditional: 0, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37957, positive: 37075, positive conditional: 0, positive unconditional: 37075, negative: 882, negative conditional: 0, negative unconditional: 882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 882, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 826, negative conditional: 0, negative unconditional: 826, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58605, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1733, negative conditional: 0, negative unconditional: 1733, unknown: 56872, unknown conditional: 0, unknown unconditional: 56872] ], Cache Queries: [ total: 100765, positive: 59601, positive conditional: 0, positive unconditional: 59601, negative: 3207, negative conditional: 0, negative unconditional: 3207, unknown: 37957, unknown conditional: 0, unknown unconditional: 37957] , Statistics on independence cache: Total cache size (in pairs): 37957, Positive cache size: 37075, Positive conditional cache size: 0, Positive unconditional cache size: 37075, Negative cache size: 882, Negative conditional cache size: 0, Negative unconditional cache size: 882, Eliminated conditions: 2289, Maximal queried relation: 3, Independence queries for same thread: 1988 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 110227, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 4781, negative conditional: 3997, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107512, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 2066, negative conditional: 1282, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107512, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 2066, negative conditional: 1282, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 2664, negative unconditional: 2066, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 0, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 0, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36081, positive: 35297, positive conditional: 0, positive unconditional: 35297, negative: 784, negative conditional: 0, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36081, positive: 35297, positive conditional: 0, positive unconditional: 35297, negative: 784, negative conditional: 0, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 728, negative conditional: 0, negative unconditional: 728, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58141, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1225, negative conditional: 0, negative unconditional: 1225, unknown: 56916, unknown conditional: 0, unknown unconditional: 56916] ], Cache Queries: [ total: 110176, positive: 70149, positive conditional: 0, positive unconditional: 70149, negative: 3946, negative conditional: 0, negative unconditional: 3946, unknown: 36081, unknown conditional: 0, unknown unconditional: 36081] , Statistics on independence cache: Total cache size (in pairs): 36081, Positive cache size: 35297, Positive conditional cache size: 0, Positive unconditional cache size: 35297, Negative cache size: 784, Negative conditional cache size: 0, Negative unconditional cache size: 784, Eliminated conditions: 2664, Maximal queried relation: 3, Independence queries for same thread: 2715 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 58.5s, Number of persistent set computation: 6520, Number of trivial persistent sets: 3641, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87760, positive: 86976, positive conditional: 0, positive unconditional: 86976, negative: 784, negative conditional: 0, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 110227, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 4781, negative conditional: 3997, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107512, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 2066, negative conditional: 1282, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107512, positive: 105446, positive conditional: 18470, positive unconditional: 86976, negative: 2066, negative conditional: 1282, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 2664, negative unconditional: 2066, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 0, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110176, positive: 105446, positive conditional: 0, positive unconditional: 105446, negative: 4730, negative conditional: 0, negative unconditional: 4730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36081, positive: 35297, positive conditional: 0, positive unconditional: 35297, negative: 784, negative conditional: 0, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36081, positive: 35297, positive conditional: 0, positive unconditional: 35297, negative: 784, negative conditional: 0, negative unconditional: 784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 784, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 728, negative conditional: 0, negative unconditional: 728, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58141, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1225, negative conditional: 0, negative unconditional: 1225, unknown: 56916, unknown conditional: 0, unknown unconditional: 56916] ], Cache Queries: [ total: 110176, positive: 70149, positive conditional: 0, positive unconditional: 70149, negative: 3946, negative conditional: 0, negative unconditional: 3946, unknown: 36081, unknown conditional: 0, unknown unconditional: 36081] , Statistics on independence cache: Total cache size (in pairs): 36081, Positive cache size: 35297, Positive conditional cache size: 0, Positive unconditional cache size: 35297, Negative cache size: 784, Negative conditional cache size: 0, Negative unconditional cache size: 784, Eliminated conditions: 2664, Maximal queried relation: 3, Independence queries for same thread: 2715 - PositiveResult [Line: 1085]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1085]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1084]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1084]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1096]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1096]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1093]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1093]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: pusherThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 539 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 61.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 60.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 461 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 539 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 65.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 59.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 6035 NumberOfCodeBlocks, 6035 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 6030 ConstructedInterpolants, 0 QuantifiedInterpolants, 14376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3960 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 19088/22604 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 12:46:34,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-16 12:46:34,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-16 12:46:35,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...