/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 16:54:09,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:54:09,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:54:09,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:54:09,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:54:09,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:54:09,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:54:09,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:54:09,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:54:09,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:54:09,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:54:09,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:54:09,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:54:09,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:54:09,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:54:09,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:54:09,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:54:09,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:54:09,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:54:09,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:54:09,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:54:09,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:54:09,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:54:09,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:54:09,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:54:09,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:54:09,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:54:09,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:54:09,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:54:09,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-20 16:54:09,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:54:09,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:54:09,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:54:09,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:54:09,980 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:54:09,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:54:09,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:54:09,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:54:09,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:54:09,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:54:09,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:54:09,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:54:09,982 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:54:09,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:54:09,982 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:54:09,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:54:09,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:54:09,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:54:09,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:54:09,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:54:09,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:54:09,986 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:54:09,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:54:10,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:54:10,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:54:10,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:54:10,159 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:54:10,159 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:54:10,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-05-20 16:54:10,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b947a06c3/1e2206d91c214ca8a2c2dde25bc8a1ee/FLAG42de56cfe [2023-05-20 16:54:10,758 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:54:10,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-05-20 16:54:10,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b947a06c3/1e2206d91c214ca8a2c2dde25bc8a1ee/FLAG42de56cfe [2023-05-20 16:54:11,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b947a06c3/1e2206d91c214ca8a2c2dde25bc8a1ee [2023-05-20 16:54:11,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:54:11,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:54:11,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:54:11,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:54:11,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:54:11,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759a6a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11, skipping insertion in model container [2023-05-20 16:54:11,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:54:11,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:54:11,540 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/chl-poker-hand-trans.wvr.c[18874,18887] [2023-05-20 16:54:11,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:54:11,562 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:54:11,636 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/chl-poker-hand-trans.wvr.c[18874,18887] [2023-05-20 16:54:11,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:54:11,660 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:54:11,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11 WrapperNode [2023-05-20 16:54:11,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:54:11,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:54:11,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:54:11,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:54:11,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,779 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2314 [2023-05-20 16:54:11,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:54:11,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:54:11,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:54:11,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:54:11,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:54:11,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:54:11,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:54:11,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:54:11,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (1/1) ... [2023-05-20 16:54:11,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:54:11,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:11,958 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) [2023-05-20 16:54:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:54:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:54:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:54:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:54:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 16:54:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 16:54:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 16:54:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 16:54:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 16:54:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:54:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:54:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:54:11,974 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 [2023-05-20 16:54:12,003 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 16:54:12,206 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:54:12,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:54:13,526 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:54:15,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:54:15,061 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2023-05-20 16:54:15,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:54:15 BoogieIcfgContainer [2023-05-20 16:54:15,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:54:15,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:54:15,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:54:15,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:54:15,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:54:11" (1/3) ... [2023-05-20 16:54:15,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c74dd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:54:15, skipping insertion in model container [2023-05-20 16:54:15,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:54:11" (2/3) ... [2023-05-20 16:54:15,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c74dd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:54:15, skipping insertion in model container [2023-05-20 16:54:15,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:54:15" (3/3) ... [2023-05-20 16:54:15,074 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2023-05-20 16:54:15,080 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:54:15,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:54:15,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 16:54:15,086 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:54:15,454 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 16:54:15,506 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:54:15,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:54:15,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:15,514 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) [2023-05-20 16:54:15,515 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 [2023-05-20 16:54:15,537 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:54:15,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 16:54:15,569 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;@598bd99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:54:15,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 16:54:15,928 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)] === [2023-05-20 16:54:15,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:15,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1904975274, now seen corresponding path program 1 times [2023-05-20 16:54:15,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:15,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100186976] [2023-05-20 16:54:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:15,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:54:16,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:16,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100186976] [2023-05-20 16:54:16,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100186976] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:54:16,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:54:16,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 16:54:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002846746] [2023-05-20 16:54:16,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:54:16,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 16:54:16,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:16,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 16:54:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 16:54:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:16,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:16,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 236.0) internal successors, (472), 2 states have internal predecessors, (472), 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) [2023-05-20 16:54:16,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:16,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:54:16,339 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)] === [2023-05-20 16:54:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:16,435 INFO L85 PathProgramCache]: Analyzing trace with hash -555448872, now seen corresponding path program 1 times [2023-05-20 16:54:16,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:16,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824440781] [2023-05-20 16:54:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:54:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:16,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824440781] [2023-05-20 16:54:16,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824440781] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:54:16,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:54:16,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 16:54:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327656634] [2023-05-20 16:54:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:54:16,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 16:54:16,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:16,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 16:54:16,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-20 16:54:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:16,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:16,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 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) [2023-05-20 16:54:16,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:16,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:17,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 16:54:17,090 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)] === [2023-05-20 16:54:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:17,090 INFO L85 PathProgramCache]: Analyzing trace with hash 598116233, now seen corresponding path program 1 times [2023-05-20 16:54:17,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:17,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585555537] [2023-05-20 16:54:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:17,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 16:54:17,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585555537] [2023-05-20 16:54:17,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585555537] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596267410] [2023-05-20 16:54:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:17,650 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) [2023-05-20 16:54:17,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 16:54:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:18,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 16:54:18,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 16:54:18,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 16:54:18,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596267410] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:54:18,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:54:18,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-05-20 16:54:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110587298] [2023-05-20 16:54:18,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:54:18,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 16:54:18,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:18,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 16:54:18,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-05-20 16:54:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:18,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:18,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 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) [2023-05-20 16:54:18,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:18,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:18,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:18,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:18,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:18,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:18,870 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 [2023-05-20 16:54:18,870 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)] === [2023-05-20 16:54:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1090250617, now seen corresponding path program 1 times [2023-05-20 16:54:18,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:18,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148725867] [2023-05-20 16:54:18,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 16:54:19,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:19,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148725867] [2023-05-20 16:54:19,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148725867] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:19,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746207156] [2023-05-20 16:54:19,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:19,314 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) [2023-05-20 16:54:19,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 16:54:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:19,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 16:54:19,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 16:54:19,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:54:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 16:54:20,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746207156] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:54:20,044 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:54:20,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-05-20 16:54:20,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359089565] [2023-05-20 16:54:20,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:54:20,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 16:54:20,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 16:54:20,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-05-20 16:54:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:20,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:20,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 39.333333333333336) internal successors, (590), 15 states have internal predecessors, (590), 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) [2023-05-20 16:54:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:20,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:20,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:20,854 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 [2023-05-20 16:54:20,854 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)] === [2023-05-20 16:54:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:20,855 INFO L85 PathProgramCache]: Analyzing trace with hash -21731608, now seen corresponding path program 2 times [2023-05-20 16:54:20,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:20,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410758573] [2023-05-20 16:54:20,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-05-20 16:54:21,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:21,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410758573] [2023-05-20 16:54:21,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410758573] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:21,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939171585] [2023-05-20 16:54:21,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:54:21,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:21,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:21,373 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) [2023-05-20 16:54:21,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 16:54:22,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:54:22,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:54:22,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:54:22,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-05-20 16:54:22,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:54:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2023-05-20 16:54:22,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939171585] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:54:22,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:54:22,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-05-20 16:54:22,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200662987] [2023-05-20 16:54:22,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:54:22,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 16:54:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 16:54:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2023-05-20 16:54:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:22,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:22,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 44.40909090909091) internal successors, (977), 22 states have internal predecessors, (977), 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) [2023-05-20 16:54:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:22,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:23,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:23,563 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 [2023-05-20 16:54:23,564 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)] === [2023-05-20 16:54:23,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1121479672, now seen corresponding path program 3 times [2023-05-20 16:54:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:23,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320996224] [2023-05-20 16:54:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:23,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2023-05-20 16:54:24,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:24,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320996224] [2023-05-20 16:54:24,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320996224] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:24,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026900879] [2023-05-20 16:54:24,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 16:54:24,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:24,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:24,582 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) [2023-05-20 16:54:24,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 16:54:25,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 16:54:25,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:54:25,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-20 16:54:25,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-05-20 16:54:25,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 16:54:25,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026900879] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:54:25,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 16:54:25,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2023-05-20 16:54:25,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596057232] [2023-05-20 16:54:25,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:54:25,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 16:54:25,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:25,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 16:54:25,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-05-20 16:54:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:25,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:25,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 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) [2023-05-20 16:54:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:25,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:25,667 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 [2023-05-20 16:54:25,667 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)] === [2023-05-20 16:54:25,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:25,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1811330444, now seen corresponding path program 1 times [2023-05-20 16:54:25,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:25,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251954215] [2023-05-20 16:54:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2023-05-20 16:54:26,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:26,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251954215] [2023-05-20 16:54:26,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251954215] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:26,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748670306] [2023-05-20 16:54:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:26,447 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) [2023-05-20 16:54:26,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 16:54:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:27,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 16:54:27,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2023-05-20 16:54:27,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:54:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2023-05-20 16:54:27,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748670306] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:54:27,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:54:27,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2023-05-20 16:54:27,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056164032] [2023-05-20 16:54:27,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:54:27,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-20 16:54:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-20 16:54:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2023-05-20 16:54:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:27,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:27,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 17.28205128205128) internal successors, (674), 39 states have internal predecessors, (674), 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) [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:27,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:28,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 16:54:28,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:29,081 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 [2023-05-20 16:54:29,082 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)] === [2023-05-20 16:54:29,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash -710153396, now seen corresponding path program 2 times [2023-05-20 16:54:29,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:29,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668094739] [2023-05-20 16:54:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2023-05-20 16:54:30,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:30,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668094739] [2023-05-20 16:54:30,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668094739] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:30,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954626696] [2023-05-20 16:54:30,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 16:54:30,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:30,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:30,601 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) [2023-05-20 16:54:30,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 16:54:31,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 16:54:31,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 16:54:31,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 16:54:31,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2023-05-20 16:54:31,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:54:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2023-05-20 16:54:32,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954626696] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 16:54:32,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 16:54:32,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 54 [2023-05-20 16:54:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537232398] [2023-05-20 16:54:32,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 16:54:32,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 16:54:32,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:32,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 16:54:32,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2252, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 16:54:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:32,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:32,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 13.518518518518519) internal successors, (730), 54 states have internal predecessors, (730), 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) [2023-05-20 16:54:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 16:54:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:33,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:33,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 16:54:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 16:54:33,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 16:54:34,065 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 [2023-05-20 16:54:34,066 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 16:54:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:34,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1129632396, now seen corresponding path program 3 times [2023-05-20 16:54:34,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:34,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335325027] [2023-05-20 16:54:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-05-20 16:54:34,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:34,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335325027] [2023-05-20 16:54:34,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335325027] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:54:34,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:54:34,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:54:34,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614037299] [2023-05-20 16:54:34,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:54:34,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:54:34,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:54:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:54:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:54:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:34,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:54:34,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 16:54:34,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 16:54:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:54:35,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 16:54:35,006 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 16:54:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:54:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1045440132, now seen corresponding path program 1 times [2023-05-20 16:54:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:54:35,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828748051] [2023-05-20 16:54:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:35,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:54:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2023-05-20 16:54:52,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:54:52,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828748051] [2023-05-20 16:54:52,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828748051] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:54:52,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475888568] [2023-05-20 16:54:52,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:54:52,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:54:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:54:52,602 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:54:52,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 16:54:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:54:53,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-20 16:54:53,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:54:58,429 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 16:54:58,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 351 treesize of output 2300 Received shutdown request... [2023-05-20 17:08:27,204 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 17:08:27,204 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 17:08:27,207 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 17:08:27,220 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 17:08:27,222 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 17:08:27,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 17:08:27,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 17:08:27,443 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1025 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 58ms.. [2023-05-20 17:08:27,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 17:08:27,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 17:08:27,444 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 17:08:27,448 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2023-05-20 17:08:27,450 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 17:08:27,450 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 17:08:27,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 05:08:27 BasicIcfg [2023-05-20 17:08:27,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 17:08:27,460 INFO L158 Benchmark]: Toolchain (without parser) took 856195.54ms. Allocated memory was 278.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 249.9MB in the beginning and 559.7MB in the end (delta: -309.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 17:08:27,460 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 17:08:27,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 278.9MB. Free memory was 249.4MB in the beginning and 231.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-20 17:08:27,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.69ms. Allocated memory is still 278.9MB. Free memory was 231.0MB in the beginning and 220.0MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-20 17:08:27,464 INFO L158 Benchmark]: Boogie Preprocessor took 116.50ms. Allocated memory is still 278.9MB. Free memory was 220.0MB in the beginning and 209.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-20 17:08:27,464 INFO L158 Benchmark]: RCFGBuilder took 3167.25ms. Allocated memory was 278.9MB in the beginning and 370.1MB in the end (delta: 91.2MB). Free memory was 209.0MB in the beginning and 132.5MB in the end (delta: 76.5MB). Peak memory consumption was 200.2MB. Max. memory is 8.0GB. [2023-05-20 17:08:27,465 INFO L158 Benchmark]: TraceAbstraction took 852393.28ms. Allocated memory was 370.1MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 131.5MB in the beginning and 559.7MB in the end (delta: -428.2MB). Peak memory consumption was 904.5MB. Max. memory is 8.0GB. [2023-05-20 17:08:27,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 278.9MB. Free memory was 249.4MB in the beginning and 231.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 118.69ms. Allocated memory is still 278.9MB. Free memory was 231.0MB in the beginning and 220.0MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 116.50ms. Allocated memory is still 278.9MB. Free memory was 220.0MB in the beginning and 209.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 3167.25ms. Allocated memory was 278.9MB in the beginning and 370.1MB in the end (delta: 91.2MB). Free memory was 209.0MB in the beginning and 132.5MB in the end (delta: 76.5MB). Peak memory consumption was 200.2MB. Max. memory is 8.0GB. * TraceAbstraction took 852393.28ms. Allocated memory was 370.1MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 131.5MB in the beginning and 559.7MB in the end (delta: -428.2MB). Peak memory consumption was 904.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11129, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 1288, dependent conditional: 1269, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4168, independent conditional: 0, independent unconditional: 4168, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4187, independent: 4168, independent conditional: 0, independent unconditional: 4168, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 186, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 186, dependent conditional: 0, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9860, independent: 5673, independent conditional: 0, independent unconditional: 5673, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4187, unknown conditional: 0, unknown unconditional: 4187] , Statistics on independence cache: Total cache size (in pairs): 4187, Positive cache size: 4168, Positive conditional cache size: 0, Positive unconditional cache size: 4168, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1269 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 588, Number of trivial persistent sets: 548, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4235, independent: 4216, independent conditional: 0, independent unconditional: 4216, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11129, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 1288, dependent conditional: 1269, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 5625, independent unconditional: 4216, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9860, independent: 9841, independent conditional: 0, independent unconditional: 9841, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4168, independent conditional: 0, independent unconditional: 4168, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4187, independent: 4168, independent conditional: 0, independent unconditional: 4168, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 186, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 186, dependent conditional: 0, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9860, independent: 5673, independent conditional: 0, independent unconditional: 5673, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4187, unknown conditional: 0, unknown unconditional: 4187] , Statistics on independence cache: Total cache size (in pairs): 4187, Positive cache size: 4168, Positive conditional cache size: 0, Positive unconditional cache size: 4168, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1269 - TimeoutResultAtElement [Line: 341]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1025 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 58ms.. - TimeoutResultAtElement [Line: 335]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1025 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 58ms.. - TimeoutResultAtElement [Line: 334]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1025 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 58ms.. - TimeoutResultAtElement [Line: 333]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1025 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 58ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 779 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.5s, 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: 149, 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: 0.6s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 10791 NumberOfCodeBlocks, 10497 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 13830 ConstructedInterpolants, 0 QuantifiedInterpolants, 16875 SizeOfPredicates, 57 NumberOfNonLiveVariables, 8946 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 10049/11583 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown