/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:17:56,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:17:56,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:17:56,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:17:56,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:17:56,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:17:56,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:17:56,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:17:56,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:17:56,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:17:56,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:17:56,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:17:56,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:17:56,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:17:56,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:17:56,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:17:56,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:17:56,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:17:56,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:17:56,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:17:56,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:17:56,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:17:56,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:17:56,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:17:56,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:17:56,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:17:56,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:17:56,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:17:56,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:17:56,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:17:56,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:17:56,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:17:56,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:17:56,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:17:56,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:17:56,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:17:56,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:17:56,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:17:56,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:17:56,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:17:56,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:17:56,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:17:56,217 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:17:56,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:17:56,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:17:56,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:17:56,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:17:56,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:17:56,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:17:56,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:17:56,219 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:17:56,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:17:56,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:17:56,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:17:56,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:17:56,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:17:56,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:17:56,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:17:56,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:17:56,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:17:56,449 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:17:56,450 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:17:56,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-04 06:17:56,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbb7dbe0/368f5c4e7dd1457a8654bc8cb0259f26/FLAG3b0ca12bd [2023-05-04 06:17:56,875 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:17:56,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-05-04 06:17:56,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbb7dbe0/368f5c4e7dd1457a8654bc8cb0259f26/FLAG3b0ca12bd [2023-05-04 06:17:56,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dbb7dbe0/368f5c4e7dd1457a8654bc8cb0259f26 [2023-05-04 06:17:56,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:17:56,916 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:17:56,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:17:56,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:17:56,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:17:56,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:17:56" (1/1) ... [2023-05-04 06:17:56,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebcafaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:56, skipping insertion in model container [2023-05-04 06:17:56,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:17:56" (1/1) ... [2023-05-04 06:17:56,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:17:56,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:17:57,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-04 06:17:57,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:17:57,106 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:17:57,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2476,2489] [2023-05-04 06:17:57,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:17:57,149 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:17:57,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57 WrapperNode [2023-05-04 06:17:57,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:17:57,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:17:57,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:17:57,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:17:57,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,173 INFO L138 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-05-04 06:17:57,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:17:57,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:17:57,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:17:57,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:17:57,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:17:57,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:17:57,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:17:57,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:17:57,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (1/1) ... [2023-05-04 06:17:57,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:17:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:57,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 06:17:57,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 06:17:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:17:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:17:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:17:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:17:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:17:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:17:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:17:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:17:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:17:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:17:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:17:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:17:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:17:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:17:57,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:17:57,320 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:17:57,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:17:57,462 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:17:57,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:17:57,495 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 06:17:57,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:17:57 BoogieIcfgContainer [2023-05-04 06:17:57,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:17:57,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:17:57,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:17:57,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:17:57,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:17:56" (1/3) ... [2023-05-04 06:17:57,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:17:57, skipping insertion in model container [2023-05-04 06:17:57,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:17:57" (2/3) ... [2023-05-04 06:17:57,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416a2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:17:57, skipping insertion in model container [2023-05-04 06:17:57,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:17:57" (3/3) ... [2023-05-04 06:17:57,503 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-05-04 06:17:57,508 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:17:57,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:17:57,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:17:57,514 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:17:57,596 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 06:17:57,648 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:17:57,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:17:57,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:57,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 06:17:57,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 06:17:57,705 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:17:57,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:17:57,730 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;@41e61b59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:17:57,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 06:17:57,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:57,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:57,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1462224171, now seen corresponding path program 1 times [2023-05-04 06:17:57,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:57,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098186694] [2023-05-04 06:17:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:57,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:58,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:58,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098186694] [2023-05-04 06:17:58,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098186694] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:17:58,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:17:58,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:17:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232816182] [2023-05-04 06:17:58,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:58,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:17:58,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:58,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:17:58,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:17:58,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:58,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:58,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:17:58,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1616719767, now seen corresponding path program 1 times [2023-05-04 06:17:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:58,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022435447] [2023-05-04 06:17:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:58,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:58,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022435447] [2023-05-04 06:17:58,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022435447] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:17:58,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:17:58,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:17:58,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014722770] [2023-05-04 06:17:58,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:58,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:17:58,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:58,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:17:58,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:17:58,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:58,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:58,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:17:58,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:17:58,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash 291573782, now seen corresponding path program 1 times [2023-05-04 06:17:58,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:58,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815986086] [2023-05-04 06:17:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:58,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:01,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815986086] [2023-05-04 06:18:01,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815986086] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:01,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773074961] [2023-05-04 06:18:01,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:01,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:01,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:18:01,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 06:18:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:01,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 06:18:01,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:04,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:08,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773074961] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:08,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:08,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 19] total 45 [2023-05-04 06:18:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967196985] [2023-05-04 06:18:08,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:08,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-04 06:18:08,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:08,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-04 06:18:08,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1665, Unknown=0, NotChecked=0, Total=1980 [2023-05-04 06:18:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:08,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:08,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.066666666666666) internal successors, (183), 45 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:18:08,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:14,531 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 125 DAG size of output: 108 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:18:16,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:18:18,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:18:41,479 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 148 DAG size of output: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:19:11,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:19:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 06:19:11,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 06:19:11,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 06:19:11,860 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:11,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash 452719702, now seen corresponding path program 2 times [2023-05-04 06:19:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:11,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793277865] [2023-05-04 06:19:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:19:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:14,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793277865] [2023-05-04 06:19:14,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793277865] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:14,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100914898] [2023-05-04 06:19:14,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:19:14,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:14,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:14,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:19:14,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 06:19:16,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:19:16,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:16,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-04 06:19:16,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:19:29,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:19:38,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100914898] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:38,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:38,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 27] total 77 [2023-05-04 06:19:38,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836554837] [2023-05-04 06:19:38,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:38,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-05-04 06:19:38,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:38,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-05-04 06:19:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=977, Invalid=4875, Unknown=0, NotChecked=0, Total=5852 [2023-05-04 06:19:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:38,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:38,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.961038961038961) internal successors, (228), 77 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:19:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:19:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-04 06:19:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:20:21,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:20:42,755 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 124 DAG size of output: 123 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:20:54,796 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (+ c_~S~0 c_~T~0))) (let ((.cse7 (mod .cse4 4294967296)) (.cse9 (+ c_~m~0 6)) (.cse14 (+ 7 c_~m~0)) (.cse2 (div c_~m~0 4294967296))) (let ((.cse3 (* .cse2 4294967296)) (.cse11 (< (+ (* (div (+ c_~s~0 (- 6)) 4294967296) 4294967296) 6) c_~s~0)) (.cse13 (+ c_~m~0 2)) (.cse10 (and (< c_~m~0 (+ 4294967291 .cse7 (* (div (+ (- 4294967290) c_~m~0) 4294967296) 4294967296))) (< (+ .cse7 (* (div .cse9 4294967296) 4294967296)) .cse14))) (.cse6 (< (+ 5 (* (div (+ c_~s~0 (- 5)) 4294967296) 4294967296)) c_~s~0)) (.cse8 (+ c_~m~0 5)) (.cse15 (+ c_~m~0 8)) (.cse16 (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (.cse5 (< 0 (mod c_~t~0 4294967296))) (.cse17 (+ c_~m~0 3)) (.cse18 (+ c_~m~0 4))) (and (or (let ((.cse0 (* (div .cse4 4294967296) 4294967296)) (.cse1 (+ c_~S~0 c_~T~0 .cse3))) (and (not (<= (+ c_~m~0 .cse0 1) .cse1)) (<= .cse2 0) (<= (+ c_~m~0 .cse0) .cse1))) (and (<= (div c_thread1Thread1of1ForFork1_~cond~0 256) 0) (<= 1 c_thread1Thread1of1ForFork1_~cond~0))) (or .cse5 .cse6 (and (< c_~m~0 (+ 4294967292 .cse7 (* (div (+ (- 4294967291) c_~m~0) 4294967296) 4294967296))) (< (+ (* (div .cse8 4294967296) 4294967296) .cse7) .cse9))) (or .cse5 .cse10 .cse11) (or .cse5 (let ((.cse12 (+ c_~m~0 1))) (and (or (< 0 (mod c_~s~0 4294967296)) (and (< c_~m~0 (+ .cse7 .cse3 1)) (< (+ .cse7 .cse3) .cse12))) (or (and (< c_~m~0 (+ .cse7 (* (div (+ c_~m~0 (- 4294967295)) 4294967296) 4294967296) 4294967296)) (< (+ .cse7 (* (div .cse12 4294967296) 4294967296)) .cse13)) (< (+ (* (div (+ c_~s~0 (- 1)) 4294967296) 4294967296) 1) c_~s~0))))) (or (and (< c_~m~0 (+ 4294967290 .cse7 (* (div (+ (- 4294967289) c_~m~0) 4294967296) 4294967296))) (< (+ .cse7 (* (div .cse14 4294967296) 4294967296)) .cse15)) .cse11 .cse16) (or .cse5 (< (+ 2 (* (div (+ c_~s~0 (- 2)) 4294967296) 4294967296)) c_~s~0) (and (< c_~m~0 (+ .cse7 4294967295 (* 4294967296 (div (+ c_~m~0 (- 4294967294)) 4294967296)))) (< (+ .cse7 (* (div .cse13 4294967296) 4294967296)) .cse17))) (or .cse10 .cse6 .cse16) (or .cse5 (and (< (+ (* (div .cse18 4294967296) 4294967296) .cse7) .cse8) (< c_~m~0 (+ .cse7 (* (div (+ (- 4294967292) c_~m~0) 4294967296) 4294967296) 4294967293))) (< (+ (* 4294967296 (div (+ c_~s~0 (- 4)) 4294967296)) 4) c_~s~0)) (or (and (< (+ .cse7 (* (div .cse15 4294967296) 4294967296)) (+ c_~m~0 9)) (< c_~m~0 (+ (* (div (+ c_~m~0 (- 4294967288)) 4294967296) 4294967296) .cse7 4294967289))) (< (+ 7 (* (div (+ c_~s~0 (- 7)) 4294967296) 4294967296)) c_~s~0) .cse16) (or .cse5 (and (< c_~m~0 (+ .cse7 4294967294 (* (div (+ c_~m~0 (- 4294967293)) 4294967296) 4294967296))) (< (+ (* (div .cse17 4294967296) 4294967296) .cse7) .cse18)) (< (+ (* (div (+ c_~s~0 (- 3)) 4294967296) 4294967296) 3) c_~s~0)))))) is different from false [2023-05-04 06:21:56,148 WARN L233 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:21:58,175 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (+ c_~m~0 2)) (.cse5 (+ c_~m~0 3)) (.cse12 (+ c_~m~0 6)) (.cse1 (+ 7 c_~m~0)) (.cse10 (< (+ 5 (* (div (+ c_~s~0 (- 5)) 4294967296) 4294967296)) c_~s~0)) (.cse3 (< 0 (mod (+ c_~t~0 4294967295) 4294967296))) (.cse4 (< 0 (mod c_~t~0 4294967296))) (.cse6 (+ c_~m~0 4)) (.cse11 (+ c_~m~0 5)) (.cse0 (mod (+ c_~S~0 c_~T~0) 4294967296)) (.cse2 (= (mod c_thread1Thread1of1ForFork1_~cond~0 256) 0))) (and (or (and (< c_~m~0 (+ 4294967290 .cse0 (* (div (+ (- 4294967289) c_~m~0) 4294967296) 4294967296))) (< (+ .cse0 (* (div .cse1 4294967296) 4294967296)) (+ c_~m~0 8))) (< (+ (* (div (+ c_~s~0 (- 6)) 4294967296) 4294967296) 6) c_~s~0) .cse2 .cse3) (or .cse4 .cse2 (and (< c_~m~0 (+ .cse0 4294967294 (* (div (+ c_~m~0 (- 4294967293)) 4294967296) 4294967296))) (< (+ (* (div .cse5 4294967296) 4294967296) .cse0) .cse6)) (< (+ (* (div (+ c_~s~0 (- 3)) 4294967296) 4294967296) 3) c_~s~0)) (or .cse4 (let ((.cse8 (+ c_~m~0 1))) (and (or (< 0 (mod c_~s~0 4294967296)) (let ((.cse7 (* (div c_~m~0 4294967296) 4294967296))) (and (< c_~m~0 (+ .cse0 .cse7 1)) (< (+ .cse0 .cse7) .cse8)))) (or (and (< c_~m~0 (+ .cse0 (* (div (+ c_~m~0 (- 4294967295)) 4294967296) 4294967296) 4294967296)) (< (+ .cse0 (* (div .cse8 4294967296) 4294967296)) .cse9)) (< (+ (* (div (+ c_~s~0 (- 1)) 4294967296) 4294967296) 1) c_~s~0)))) .cse2) (= (mod c_~m~0 4294967296) .cse0) (or .cse4 .cse10 .cse2 (and (< c_~m~0 (+ 4294967292 .cse0 (* (div (+ (- 4294967291) c_~m~0) 4294967296) 4294967296))) (< (+ (* (div .cse11 4294967296) 4294967296) .cse0) .cse12))) (or .cse4 (< (+ 2 (* (div (+ c_~s~0 (- 2)) 4294967296) 4294967296)) c_~s~0) (and (< c_~m~0 (+ .cse0 4294967295 (* 4294967296 (div (+ c_~m~0 (- 4294967294)) 4294967296)))) (< (+ .cse0 (* (div .cse9 4294967296) 4294967296)) .cse5))) (or (and (< c_~m~0 (+ 4294967291 .cse0 (* (div (+ (- 4294967290) c_~m~0) 4294967296) 4294967296))) (< (+ .cse0 (* (div .cse12 4294967296) 4294967296)) .cse1)) .cse10 .cse3) (or .cse4 (and (< (+ (* (div .cse6 4294967296) 4294967296) .cse0) .cse11) (< c_~m~0 (+ .cse0 (* (div (+ (- 4294967292) c_~m~0) 4294967296) 4294967296) 4294967293))) (< (+ (* 4294967296 (div (+ c_~s~0 (- 4)) 4294967296)) 4) c_~s~0) .cse2))) is different from false [2023-05-04 06:22:00,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:23:01,541 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 177 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:23:03,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:23:05,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:27:05,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:27:07,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:27:08,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:27:21,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 06:27:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:27:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:27:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-04 06:27:21,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-05-04 06:27:21,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 06:27:21,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:27:21,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:27:21,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:27:21,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1569356591, now seen corresponding path program 3 times [2023-05-04 06:27:21,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:27:21,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702804434] [2023-05-04 06:27:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:27:21,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:27:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:28:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:28:06,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:28:06,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702804434] [2023-05-04 06:28:06,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702804434] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:28:06,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145749260] [2023-05-04 06:28:06,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:28:06,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:28:06,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:28:06,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:28:06,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 06:28:07,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-05-04 06:28:07,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:28:07,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-04 06:28:07,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:29:11,819 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:29:55,203 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:30:20,921 WARN L233 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:31:12,167 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:31:37,837 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:31:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:31:42,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 06:32:32,568 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:32:32,568 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:32:32,595 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:32:33,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 06:32:33,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 06:32:33,796 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-04 06:32:33,806 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 06:32:33,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 06:32:33,807 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 114 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-05-04 06:32:33,808 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 06:32:33,808 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 06:32:33,811 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-05-04 06:32:33,812 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 06:32:33,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 06:32:33,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 06:32:33 BasicIcfg [2023-05-04 06:32:33,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 06:32:33,825 INFO L158 Benchmark]: Toolchain (without parser) took 876909.24ms. Allocated memory was 210.8MB in the beginning and 519.0MB in the end (delta: 308.3MB). Free memory was 189.7MB in the beginning and 477.2MB in the end (delta: -287.5MB). Peak memory consumption was 321.8MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,825 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory was 171.7MB in the beginning and 171.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:32:33,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.07ms. Allocated memory was 210.8MB in the beginning and 309.3MB in the end (delta: 98.6MB). Free memory was 189.7MB in the beginning and 285.2MB in the end (delta: -95.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.62ms. Allocated memory is still 309.3MB. Free memory was 285.2MB in the beginning and 283.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,826 INFO L158 Benchmark]: Boogie Preprocessor took 15.82ms. Allocated memory is still 309.3MB. Free memory was 283.7MB in the beginning and 282.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,826 INFO L158 Benchmark]: RCFGBuilder took 304.42ms. Allocated memory is still 309.3MB. Free memory was 282.1MB in the beginning and 266.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,826 INFO L158 Benchmark]: TraceAbstraction took 876326.61ms. Allocated memory was 309.3MB in the beginning and 519.0MB in the end (delta: 209.7MB). Free memory was 265.3MB in the beginning and 477.2MB in the end (delta: -211.9MB). Peak memory consumption was 300.0MB. Max. memory is 8.0GB. [2023-05-04 06:32:33,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-05-04 06:32:33,858 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 137 Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory was 171.7MB in the beginning and 171.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 232.07ms. Allocated memory was 210.8MB in the beginning and 309.3MB in the end (delta: 98.6MB). Free memory was 189.7MB in the beginning and 285.2MB in the end (delta: -95.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.62ms. Allocated memory is still 309.3MB. Free memory was 285.2MB in the beginning and 283.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.82ms. Allocated memory is still 309.3MB. Free memory was 283.7MB in the beginning and 282.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 304.42ms. Allocated memory is still 309.3MB. Free memory was 282.1MB in the beginning and 266.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 876326.61ms. Allocated memory was 309.3MB in the beginning and 519.0MB in the end (delta: 209.7MB). Free memory was 265.3MB in the beginning and 477.2MB in the end (delta: -211.9MB). Peak memory consumption was 300.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1419, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 294, dependent conditional: 285, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1137, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1137, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 507, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 507, independent: 495, independent conditional: 0, independent unconditional: 495, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 47, dependent conditional: 12, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1143, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 507, unknown conditional: 2, unknown unconditional: 505] , Statistics on independence cache: Total cache size (in pairs): 507, Positive cache size: 496, Positive conditional cache size: 0, Positive unconditional cache size: 496, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 3, Independence queries for same thread: 282 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 120, Number of trivial persistent sets: 97, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 579, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1419, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 294, dependent conditional: 285, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1137, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1137, independent: 1125, independent conditional: 555, independent unconditional: 570, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1143, independent: 1125, independent conditional: 0, independent unconditional: 1125, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 507, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 507, independent: 495, independent conditional: 0, independent unconditional: 495, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 47, dependent conditional: 12, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1143, independent: 629, independent conditional: 0, independent unconditional: 629, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 507, unknown conditional: 2, unknown unconditional: 505] , Statistics on independence cache: Total cache size (in pairs): 507, Positive cache size: 496, Positive conditional cache size: 0, Positive unconditional cache size: 496, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 3, Independence queries for same thread: 282 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 114 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 114 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 114 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 876.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 526.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 139, 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: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 34.8s InterpolantComputationTime, 472 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 17548 SizeOfPredicates, 36 NumberOfNonLiveVariables, 364 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/348 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown