/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 09:44:40,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 09:44:40,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 09:44:40,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 09:44:40,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 09:44:40,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 09:44:40,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 09:44:40,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 09:44:40,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 09:44:40,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 09:44:40,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 09:44:40,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 09:44:40,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 09:44:40,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 09:44:40,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 09:44:40,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 09:44:40,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 09:44:40,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 09:44:40,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 09:44:40,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 09:44:40,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 09:44:40,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 09:44:40,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 09:44:40,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 09:44:40,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 09:44:40,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 09:44:40,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 09:44:40,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 09:44:40,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 09:44:40,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 09:44:40,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 09:44:40,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 09:44:40,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 09:44:40,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 09:44:40,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 09:44:40,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 09:44:40,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 09:44:40,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 09:44:40,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 09:44:40,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 09:44:40,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 09:44:40,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 09:44:40,922 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 09:44:40,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 09:44:40,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 09:44:40,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 09:44:40,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 09:44:40,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 09:44:40,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 09:44:40,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 09:44:40,924 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 09:44:40,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 09:44:40,925 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 09:44:40,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 09:44:40,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:44:40,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 09:44:40,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 09:44:40,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 09:44:40,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 09:44:40,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 09:44:40,928 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 09:44:40,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 09:44:41,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 09:44:41,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 09:44:41,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 09:44:41,187 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 09:44:41,188 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 09:44:41,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-05-04 09:44:41,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28789455/10f9ad5c5904477daa4010b56f6d2cb0/FLAGeea520d44 [2023-05-04 09:44:41,636 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 09:44:41,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-le-max.wvr.c [2023-05-04 09:44:41,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28789455/10f9ad5c5904477daa4010b56f6d2cb0/FLAGeea520d44 [2023-05-04 09:44:41,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28789455/10f9ad5c5904477daa4010b56f6d2cb0 [2023-05-04 09:44:41,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 09:44:41,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 09:44:41,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 09:44:41,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 09:44:41,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 09:44:41,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:41,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90a359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41, skipping insertion in model container [2023-05-04 09:44:41,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:41,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 09:44:41,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 09:44:41,934 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-more-min-le-max.wvr.c[2486,2499] [2023-05-04 09:44:41,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:44:41,946 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 09:44:41,981 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-more-min-le-max.wvr.c[2486,2499] [2023-05-04 09:44:41,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:44:41,996 INFO L208 MainTranslator]: Completed translation [2023-05-04 09:44:41,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41 WrapperNode [2023-05-04 09:44:41,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 09:44:41,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 09:44:41,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 09:44:41,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 09:44:42,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,048 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 104 [2023-05-04 09:44:42,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 09:44:42,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 09:44:42,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 09:44:42,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 09:44:42,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,087 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 09:44:42,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 09:44:42,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 09:44:42,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 09:44:42,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (1/1) ... [2023-05-04 09:44:42,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:44:42,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:42,126 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 09:44:42,153 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 09:44:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 09:44:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 09:44:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 09:44:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 09:44:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 09:44:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 09:44:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 09:44:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 09:44:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 09:44:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 09:44:42,173 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 09:44:42,267 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 09:44:42,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 09:44:42,540 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 09:44:42,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 09:44:42,582 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 09:44:42,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:44:42 BoogieIcfgContainer [2023-05-04 09:44:42,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 09:44:42,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 09:44:42,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 09:44:42,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 09:44:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:44:41" (1/3) ... [2023-05-04 09:44:42,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acd9502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:44:42, skipping insertion in model container [2023-05-04 09:44:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:44:41" (2/3) ... [2023-05-04 09:44:42,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acd9502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:44:42, skipping insertion in model container [2023-05-04 09:44:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:44:42" (3/3) ... [2023-05-04 09:44:42,605 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-05-04 09:44:42,612 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 09:44:42,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 09:44:42,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 09:44:42,619 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 09:44:42,676 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 09:44:42,717 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:44:42,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 09:44:42,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:42,721 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 09:44:42,725 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 09:44:42,753 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 09:44:42,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 09:44:42,773 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;@54223e9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:44:42,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 09:44:42,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:42,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash -156465175, now seen corresponding path program 1 times [2023-05-04 09:44:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:43,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645639330] [2023-05-04 09:44:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:43,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:43,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645639330] [2023-05-04 09:44:43,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645639330] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:44:43,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:44:43,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 09:44:43,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304959931] [2023-05-04 09:44:43,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:44:43,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 09:44:43,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:43,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 09:44:43,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 09:44:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:43,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:43,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 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 09:44:43,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:43,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 09:44:43,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:43,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1661525595, now seen corresponding path program 1 times [2023-05-04 09:44:43,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:43,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588278739] [2023-05-04 09:44:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 09:44:43,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:43,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588278739] [2023-05-04 09:44:43,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588278739] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:44:43,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:44:43,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 09:44:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318725374] [2023-05-04 09:44:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:44:43,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 09:44:43,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:43,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 09:44:43,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 09:44:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:43,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:43,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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 09:44:43,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:43,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:44,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 09:44:44,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1656136975, now seen corresponding path program 1 times [2023-05-04 09:44:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901626594] [2023-05-04 09:44:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:44,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:44,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901626594] [2023-05-04 09:44:44,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901626594] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:44,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120214508] [2023-05-04 09:44:44,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:44,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:44,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:44,413 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 09:44:44,414 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 09:44:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:44,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 09:44:44,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:44,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:44,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120214508] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:44,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 09:44:44,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 09:44:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983954669] [2023-05-04 09:44:44,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:44:44,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 09:44:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:44,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 09:44:44,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 09:44:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:44,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:44,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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 09:44:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:44,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:45,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 09:44:45,264 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 09:44:45,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:45,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1471608507, now seen corresponding path program 1 times [2023-05-04 09:44:45,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:45,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094238685] [2023-05-04 09:44:45,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:45,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:45,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:45,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094238685] [2023-05-04 09:44:45,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094238685] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:45,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616000327] [2023-05-04 09:44:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:45,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:45,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:45,560 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 09:44:45,584 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 09:44:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:45,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 09:44:45,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:45,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:46,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616000327] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:44:46,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:44:46,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 09:44:46,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332768048] [2023-05-04 09:44:46,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:44:46,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 09:44:46,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:46,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 09:44:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-04 09:44:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:46,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:46,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.583333333333334) internal successors, (206), 24 states have internal predecessors, (206), 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 09:44:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:46,490 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 09:44:46,689 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 09:44:46,689 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1751227911, now seen corresponding path program 2 times [2023-05-04 09:44:46,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:46,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967855575] [2023-05-04 09:44:46,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:46,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:46,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:46,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967855575] [2023-05-04 09:44:46,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967855575] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221709081] [2023-05-04 09:44:46,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 09:44:46,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:46,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:46,946 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 09:44:46,970 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 09:44:47,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 09:44:47,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:44:47,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 09:44:47,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:47,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:44:47,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221709081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:44:47,542 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:44:47,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 09:44:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389563852] [2023-05-04 09:44:47,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:44:47,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 09:44:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:47,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 09:44:47,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-04 09:44:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:47,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:47,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.458333333333334) internal successors, (203), 24 states have internal predecessors, (203), 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 09:44:47,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:47,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:47,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:47,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:47,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:47,926 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 09:44:48,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:48,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:48,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:48,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1310809361, now seen corresponding path program 3 times [2023-05-04 09:44:48,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:48,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511197274] [2023-05-04 09:44:48,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:48,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:48,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:48,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511197274] [2023-05-04 09:44:48,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511197274] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:48,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715134274] [2023-05-04 09:44:48,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 09:44:48,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:48,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:48,422 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:44:48,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 09:44:48,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 09:44:48,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:44:48,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 09:44:48,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:48,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:49,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715134274] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:44:49,268 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:44:49,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 09:44:49,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641348146] [2023-05-04 09:44:49,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:44:49,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 09:44:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:49,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 09:44:49,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 09:44:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:49,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:49,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.470588235294118) internal successors, (254), 34 states have internal predecessors, (254), 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 09:44:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:49,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:49,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:49,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:49,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:49,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:44:49,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 09:44:49,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:49,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:49,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:49,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1346764067, now seen corresponding path program 4 times [2023-05-04 09:44:49,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:49,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791715507] [2023-05-04 09:44:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:49,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:50,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:50,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791715507] [2023-05-04 09:44:50,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791715507] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:50,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273599940] [2023-05-04 09:44:50,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 09:44:50,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:50,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:50,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:44:50,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 09:44:50,203 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 09:44:50,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:44:50,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 09:44:50,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:50,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:44:50,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273599940] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:44:50,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:44:50,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 09:44:50,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103509505] [2023-05-04 09:44:50,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:44:50,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 09:44:50,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 09:44:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 09:44:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:50,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:50,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.176470588235294) internal successors, (244), 34 states have internal predecessors, (244), 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 09:44:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:50,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:44:50,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:44:51,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 09:44:51,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 09:44:51,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:51,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 09:44:51,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:44:51,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1995659253, now seen corresponding path program 5 times [2023-05-04 09:44:51,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:44:51,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762696696] [2023-05-04 09:44:51,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:44:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:44:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:44:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 09:44:53,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:44:53,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762696696] [2023-05-04 09:44:53,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762696696] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:44:53,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403097083] [2023-05-04 09:44:53,318 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 09:44:53,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:44:53,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:44:53,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:44:53,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 09:44:53,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 09:44:53,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:44:53,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-04 09:44:53,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:44:53,607 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:53,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2023-05-04 09:44:53,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2023-05-04 09:44:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 09:44:54,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:44:54,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2023-05-04 09:44:55,244 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-05-04 09:44:55,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 33 [2023-05-04 09:44:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 09:44:55,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403097083] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:44:55,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:44:55,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 19] total 55 [2023-05-04 09:44:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111926426] [2023-05-04 09:44:55,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:44:55,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 09:44:55,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:44:55,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 09:44:55,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2706, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 09:44:55,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:55,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:44:55,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 5.8545454545454545) internal successors, (322), 55 states have internal predecessors, (322), 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 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 09:44:55,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:45:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:45:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:45:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:45:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 09:45:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 09:45:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 09:45:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 09:45:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2023-05-04 09:45:21,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 09:45:21,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 09:45:21,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 09:45:21,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 09:45:21,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 09:45:21,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:45:21,942 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2023-05-04 09:45:21,944 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 09:45:21,944 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 09:45:21,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:45:21 BasicIcfg [2023-05-04 09:45:21,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 09:45:21,947 INFO L158 Benchmark]: Toolchain (without parser) took 40292.38ms. Allocated memory was 208.7MB in the beginning and 795.9MB in the end (delta: 587.2MB). Free memory was 152.2MB in the beginning and 610.1MB in the end (delta: -457.9MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,948 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 208.7MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 09:45:21,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.33ms. Allocated memory is still 208.7MB. Free memory was 151.9MB in the beginning and 180.1MB in the end (delta: -28.2MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 208.7MB. Free memory was 180.1MB in the beginning and 178.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,948 INFO L158 Benchmark]: Boogie Preprocessor took 40.26ms. Allocated memory is still 208.7MB. Free memory was 178.4MB in the beginning and 176.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,949 INFO L158 Benchmark]: RCFGBuilder took 503.47ms. Allocated memory is still 208.7MB. Free memory was 176.8MB in the beginning and 157.5MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,949 INFO L158 Benchmark]: TraceAbstraction took 39350.55ms. Allocated memory was 208.7MB in the beginning and 795.9MB in the end (delta: 587.2MB). Free memory was 156.4MB in the beginning and 610.1MB in the end (delta: -453.7MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. [2023-05-04 09:45:21,950 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 208.7MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 341.33ms. Allocated memory is still 208.7MB. Free memory was 151.9MB in the beginning and 180.1MB in the end (delta: -28.2MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 208.7MB. Free memory was 180.1MB in the beginning and 178.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.26ms. Allocated memory is still 208.7MB. Free memory was 178.4MB in the beginning and 176.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 503.47ms. Allocated memory is still 208.7MB. Free memory was 176.8MB in the beginning and 157.5MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 39350.55ms. Allocated memory was 208.7MB in the beginning and 795.9MB in the end (delta: 587.2MB). Free memory was 156.4MB in the beginning and 610.1MB in the end (delta: -453.7MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 168947, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 30339, dependent conditional: 30318, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138899, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 291, dependent conditional: 270, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 138899, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 291, dependent conditional: 270, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 1720, dependent unconditional: 3335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 724, dependent unconditional: 4331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 724, dependent unconditional: 4331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1642, independent: 1556, independent conditional: 66, independent unconditional: 1490, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1642, independent: 1489, independent conditional: 0, independent unconditional: 1489, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 67, independent conditional: 66, independent unconditional: 1, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 67, independent conditional: 66, independent unconditional: 1, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, independent: 234, independent conditional: 211, independent unconditional: 23, dependent: 335, dependent conditional: 231, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 143663, independent: 137052, independent conditional: 2978, independent unconditional: 134074, dependent: 4969, dependent conditional: 659, dependent unconditional: 4310, unknown: 1642, unknown conditional: 131, unknown unconditional: 1511] , Statistics on independence cache: Total cache size (in pairs): 1642, Positive cache size: 1556, Positive conditional cache size: 66, Positive unconditional cache size: 1490, Negative cache size: 86, Negative conditional cache size: 65, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 996, Maximal queried relation: 7, Independence queries for same thread: 30048 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2842, Number of trivial persistent sets: 1697, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1842, independent: 1821, independent conditional: 0, independent unconditional: 1821, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 168947, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 30339, dependent conditional: 30318, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138899, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 291, dependent conditional: 270, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 138899, independent: 138608, independent conditional: 136787, independent unconditional: 1821, dependent: 291, dependent conditional: 270, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 1720, dependent unconditional: 3335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 724, dependent unconditional: 4331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143663, independent: 138608, independent conditional: 3044, independent unconditional: 135564, dependent: 5055, dependent conditional: 724, dependent unconditional: 4331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1642, independent: 1556, independent conditional: 66, independent unconditional: 1490, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1642, independent: 1489, independent conditional: 0, independent unconditional: 1489, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 67, independent conditional: 66, independent unconditional: 1, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 67, independent conditional: 66, independent unconditional: 1, dependent: 86, dependent conditional: 65, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 569, independent: 234, independent conditional: 211, independent unconditional: 23, dependent: 335, dependent conditional: 231, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 143663, independent: 137052, independent conditional: 2978, independent unconditional: 134074, dependent: 4969, dependent conditional: 659, dependent unconditional: 4310, unknown: 1642, unknown conditional: 131, unknown unconditional: 1511] , Statistics on independence cache: Total cache size (in pairs): 1642, Positive cache size: 1556, Positive conditional cache size: 66, Positive unconditional cache size: 1490, Negative cache size: 86, Negative conditional cache size: 65, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 996, Maximal queried relation: 7, Independence queries for same thread: 30048 - PositiveResult [Line: 98]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 165 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 39.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 28.6s, 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: 381, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 1927 NumberOfCodeBlocks, 1915 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2753 ConstructedInterpolants, 0 QuantifiedInterpolants, 9949 SizeOfPredicates, 80 NumberOfNonLiveVariables, 1842 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 326/545 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 09:45:21,979 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 09:45:22,182 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...