/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 09:39:09,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 09:39:09,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 09:39:10,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 09:39:10,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 09:39:10,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 09:39:10,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 09:39:10,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 09:39:10,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 09:39:10,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 09:39:10,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 09:39:10,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 09:39:10,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 09:39:10,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 09:39:10,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 09:39:10,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 09:39:10,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 09:39:10,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 09:39:10,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 09:39:10,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 09:39:10,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 09:39:10,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 09:39:10,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 09:39:10,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 09:39:10,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 09:39:10,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 09:39:10,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 09:39:10,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 09:39:10,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 09:39:10,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 09:39:10,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 09:39:10,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 09:39:10,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 09:39:10,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 09:39:10,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 09:39:10,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 09:39:10,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 09:39:10,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 09:39:10,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 09:39:10,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 09:39:10,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 09:39:10,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 09:39:10,087 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 09:39:10,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 09:39:10,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 09:39:10,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 09:39:10,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 09:39:10,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 09:39:10,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 09:39:10,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 09:39:10,089 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 09:39:10,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 09:39:10,089 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 09:39:10,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 09:39:10,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 09:39:10,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 09:39:10,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:39:10,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 09:39:10,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 09:39:10,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 09:39:10,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 09:39:10,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 09:39:10,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 09:39:10,327 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 09:39:10,329 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 09:39:10,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-05-04 09:39:10,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e697a665c/5d10684a48ce458aa46938d829da4012/FLAGdd6ac25ac [2023-05-04 09:39:10,825 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 09:39:10,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-05-04 09:39:10,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e697a665c/5d10684a48ce458aa46938d829da4012/FLAGdd6ac25ac [2023-05-04 09:39:10,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e697a665c/5d10684a48ce458aa46938d829da4012 [2023-05-04 09:39:10,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 09:39:10,851 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 09:39:10,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 09:39:10,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 09:39:10,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 09:39:10,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:39:10" (1/1) ... [2023-05-04 09:39:10,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65283174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:10, skipping insertion in model container [2023-05-04 09:39:10,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:39:10" (1/1) ... [2023-05-04 09:39:10,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 09:39:10,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 09:39:11,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2023-05-04 09:39:11,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:39:11,126 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 09:39:11,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2023-05-04 09:39:11,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:39:11,175 INFO L208 MainTranslator]: Completed translation [2023-05-04 09:39:11,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11 WrapperNode [2023-05-04 09:39:11,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 09:39:11,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 09:39:11,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 09:39:11,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 09:39:11,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,235 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 191 [2023-05-04 09:39:11,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 09:39:11,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 09:39:11,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 09:39:11,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 09:39:11,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 09:39:11,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 09:39:11,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 09:39:11,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 09:39:11,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (1/1) ... [2023-05-04 09:39:11,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:39:11,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:11,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 09:39:11,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 09:39:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 09:39:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 09:39:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 09:39:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 09:39:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 09:39:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 09:39:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 09:39:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 09:39:11,356 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 09:39:11,474 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 09:39:11,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 09:39:11,825 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 09:39:11,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 09:39:11,918 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 09:39:11,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:39:11 BoogieIcfgContainer [2023-05-04 09:39:11,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 09:39:11,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 09:39:11,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 09:39:11,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 09:39:11,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:39:10" (1/3) ... [2023-05-04 09:39:11,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c665f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:39:11, skipping insertion in model container [2023-05-04 09:39:11,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:39:11" (2/3) ... [2023-05-04 09:39:11,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c665f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:39:11, skipping insertion in model container [2023-05-04 09:39:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:39:11" (3/3) ... [2023-05-04 09:39:11,945 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-05-04 09:39:11,952 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 09:39:11,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 09:39:11,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 09:39:11,961 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 09:39:12,032 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 09:39:12,070 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:39:12,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 09:39:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:12,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 09:39:12,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 09:39:12,116 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 09:39:12,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 09:39:12,150 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;@b13bd17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:39:12,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 09:39:12,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:12,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:12,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2015848314, now seen corresponding path program 1 times [2023-05-04 09:39:12,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:12,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124591605] [2023-05-04 09:39:12,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:12,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:39:12,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:12,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124591605] [2023-05-04 09:39:12,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124591605] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:12,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:12,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 09:39:12,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508937618] [2023-05-04 09:39:12,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:12,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 09:39:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:12,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 09:39:12,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 09:39:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:12,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:12,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:12,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:12,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 09:39:12,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1412066757, now seen corresponding path program 1 times [2023-05-04 09:39:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:12,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623057301] [2023-05-04 09:39:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:39:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:13,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623057301] [2023-05-04 09:39:13,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623057301] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:13,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:13,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 09:39:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666191441] [2023-05-04 09:39:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:13,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 09:39:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:13,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 09:39:13,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-05-04 09:39:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:13,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:13,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 09:39:13,428 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:13,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:13,429 INFO L85 PathProgramCache]: Analyzing trace with hash 71933388, now seen corresponding path program 1 times [2023-05-04 09:39:13,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:13,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818714781] [2023-05-04 09:39:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:13,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:39:13,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:13,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818714781] [2023-05-04 09:39:13,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818714781] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:13,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:13,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 09:39:13,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812269781] [2023-05-04 09:39:13,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:13,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 09:39:13,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:13,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 09:39:13,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 09:39:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:13,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:13,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:13,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:13,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 09:39:13,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:13,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1128177831, now seen corresponding path program 1 times [2023-05-04 09:39:13,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:13,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544226894] [2023-05-04 09:39:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:13,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 09:39:13,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:13,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544226894] [2023-05-04 09:39:13,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544226894] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:13,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:13,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 09:39:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039054600] [2023-05-04 09:39:13,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:14,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 09:39:14,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 09:39:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-04 09:39:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:14,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 7 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:14,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:14,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:14,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:14,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 09:39:14,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:14,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:14,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1303905156, now seen corresponding path program 1 times [2023-05-04 09:39:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:14,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084802969] [2023-05-04 09:39:14,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 09:39:14,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:14,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084802969] [2023-05-04 09:39:14,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084802969] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:14,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:14,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 09:39:14,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250346493] [2023-05-04 09:39:14,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:14,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 09:39:14,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:14,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 09:39:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 09:39:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:14,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:14,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 09:39:14,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:14,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:14,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1321570670, now seen corresponding path program 1 times [2023-05-04 09:39:14,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:14,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955256412] [2023-05-04 09:39:14,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:14,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:14,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:14,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955256412] [2023-05-04 09:39:14,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955256412] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:14,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024322230] [2023-05-04 09:39:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:14,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:14,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:14,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 09:39:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:14,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 09:39:14,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:15,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:39:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:15,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024322230] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:39:15,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:39:15,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2023-05-04 09:39:15,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853599] [2023-05-04 09:39:15,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:39:15,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 09:39:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 09:39:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2023-05-04 09:39:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:15,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:15,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.625) internal successors, (375), 24 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:16,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 09:39:16,400 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,SelfDestructingSolverStorable5 [2023-05-04 09:39:16,401 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:16,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash -803514979, now seen corresponding path program 2 times [2023-05-04 09:39:16,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:16,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737738628] [2023-05-04 09:39:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 09:39:16,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:16,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737738628] [2023-05-04 09:39:16,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737738628] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:16,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:16,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 09:39:16,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888920442] [2023-05-04 09:39:16,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:16,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 09:39:16,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:16,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 09:39:16,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 09:39:16,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:16,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:16,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:16,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 09:39:16,651 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:16,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1206501887, now seen corresponding path program 1 times [2023-05-04 09:39:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:16,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3099933] [2023-05-04 09:39:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:16,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:16,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:16,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3099933] [2023-05-04 09:39:16,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3099933] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:16,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278903623] [2023-05-04 09:39:16,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:16,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:16,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 09:39:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:17,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 09:39:17,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:17,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:39:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:17,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278903623] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:39:17,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:39:17,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2023-05-04 09:39:17,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371067880] [2023-05-04 09:39:17,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:39:17,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 09:39:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:17,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 09:39:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-04 09:39:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:17,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:17,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.291666666666668) internal successors, (391), 24 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:17,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 09:39:18,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:18,317 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:18,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:18,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1290786395, now seen corresponding path program 3 times [2023-05-04 09:39:18,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:18,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615697862] [2023-05-04 09:39:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 09:39:18,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:18,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615697862] [2023-05-04 09:39:18,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615697862] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:18,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:18,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 09:39:18,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845640644] [2023-05-04 09:39:18,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:18,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 09:39:18,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:18,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 09:39:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 09:39:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:18,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 09:39:18,690 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1034719847, now seen corresponding path program 4 times [2023-05-04 09:39:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:18,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995585136] [2023-05-04 09:39:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 09:39:18,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:18,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995585136] [2023-05-04 09:39:18,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995585136] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:18,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:39:18,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 09:39:18,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898077173] [2023-05-04 09:39:18,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:18,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 09:39:18,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:18,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 09:39:18,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 09:39:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:18,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:18,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:18,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 09:39:18,987 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:18,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:18,987 INFO L85 PathProgramCache]: Analyzing trace with hash -592228232, now seen corresponding path program 5 times [2023-05-04 09:39:18,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:18,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786686707] [2023-05-04 09:39:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-05-04 09:39:19,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:19,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786686707] [2023-05-04 09:39:19,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786686707] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:19,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37475415] [2023-05-04 09:39:19,335 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 09:39:19,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:19,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:19,337 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:19,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 09:39:19,559 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-04 09:39:19,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:39:19,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 09:39:19,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 09:39:19,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 09:39:19,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37475415] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:39:19,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 09:39:19,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2023-05-04 09:39:19,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769815671] [2023-05-04 09:39:19,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:39:19,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 09:39:19,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:19,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 09:39:19,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-05-04 09:39:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:19,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:19,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.454545454545453) internal successors, (214), 11 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:19,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:19,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:20,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:20,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 09:39:20,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:20,210 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:20,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1299915480, now seen corresponding path program 6 times [2023-05-04 09:39:20,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:20,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125976726] [2023-05-04 09:39:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:20,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:20,486 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 09:39:20,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:20,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125976726] [2023-05-04 09:39:20,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125976726] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:20,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097672910] [2023-05-04 09:39:20,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 09:39:20,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:20,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:20,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 09:39:20,632 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-05-04 09:39:20,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:39:20,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 09:39:20,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 09:39:20,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:39:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-04 09:39:21,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097672910] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:39:21,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:39:21,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 09:39:21,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088150008] [2023-05-04 09:39:21,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:39:21,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 09:39:21,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:21,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 09:39:21,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 09:39:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:21,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:21,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.0) internal successors, (247), 19 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:21,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:21,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:21,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:21,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:21,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 09:39:21,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 09:39:21,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 09:39:21,583 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:21,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:21,584 INFO L85 PathProgramCache]: Analyzing trace with hash -251164707, now seen corresponding path program 7 times [2023-05-04 09:39:21,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:21,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023346177] [2023-05-04 09:39:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:21,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:21,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023346177] [2023-05-04 09:39:21,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023346177] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:21,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550440395] [2023-05-04 09:39:21,931 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 09:39:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:21,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:21,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 09:39:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:22,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 09:39:22,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:22,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:39:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 09:39:22,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550440395] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:39:22,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:39:22,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2023-05-04 09:39:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439594291] [2023-05-04 09:39:22,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:39:22,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-04 09:39:22,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:39:22,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-04 09:39:22,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=784, Unknown=0, NotChecked=0, Total=992 [2023-05-04 09:39:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:22,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:39:22,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 12.65625) internal successors, (405), 32 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 09:39:22,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 09:39:22,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 09:39:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 09:39:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 09:39:23,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 09:39:23,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:23,597 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 09:39:23,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:39:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash 679727688, now seen corresponding path program 8 times [2023-05-04 09:39:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:39:23,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633948457] [2023-05-04 09:39:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:39:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:39:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:39:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 09:39:27,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:39:27,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633948457] [2023-05-04 09:39:27,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633948457] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:39:27,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150661692] [2023-05-04 09:39:27,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 09:39:27,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:39:27,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:39:27,221 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 09:39:27,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 09:39:27,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 09:39:27,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:39:27,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-04 09:39:27,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:39:27,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:28,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 09:39:28,968 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 09:39:28,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 09:39:29,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:29,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:29,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:29,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:29,808 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 09:39:31,420 INFO L356 Elim1Store]: treesize reduction 104, result has 35.4 percent of original size [2023-05-04 09:39:31,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 72 [2023-05-04 09:39:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 09:39:31,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:39:45,909 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:39:45,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 250 treesize of output 166 [2023-05-04 09:39:46,171 INFO L356 Elim1Store]: treesize reduction 12, result has 94.8 percent of original size [2023-05-04 09:39:46,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55959 treesize of output 51949 [2023-05-04 09:39:46,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 09:39:46,507 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:39:46,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 51731 treesize of output 39237 [2023-05-04 09:39:46,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 09:39:46,922 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:39:46,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 38817 treesize of output 32667 [2023-05-04 09:39:47,154 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 09:39:47,243 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:39:47,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 32699 treesize of output 29721 Received shutdown request... [2023-05-04 09:52:57,524 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 09:52:57,526 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 09:52:57,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 09:52:57,543 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:52:57,545 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:52:57,547 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:52:57,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:52:57,727 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 37ms.. [2023-05-04 09:52:57,729 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 09:52:57,729 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 09:52:57,732 INFO L444 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1] [2023-05-04 09:52:57,734 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 09:52:57,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 09:52:57,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:52:57 BasicIcfg [2023-05-04 09:52:57,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 09:52:57,736 INFO L158 Benchmark]: Toolchain (without parser) took 826885.10ms. Allocated memory was 201.3MB in the beginning and 1.0GB in the end (delta: 832.6MB). Free memory was 167.7MB in the beginning and 376.6MB in the end (delta: -208.9MB). Peak memory consumption was 645.2MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,737 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 09:52:57,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.84ms. Allocated memory was 201.3MB in the beginning and 287.3MB in the end (delta: 86.0MB). Free memory was 167.4MB in the beginning and 253.1MB in the end (delta: -85.6MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.36ms. Allocated memory is still 287.3MB. Free memory was 253.1MB in the beginning and 251.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,737 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 287.3MB. Free memory was 250.7MB in the beginning and 249.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,738 INFO L158 Benchmark]: RCFGBuilder took 656.00ms. Allocated memory is still 287.3MB. Free memory was 249.1MB in the beginning and 224.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,738 INFO L158 Benchmark]: TraceAbstraction took 825805.05ms. Allocated memory was 287.3MB in the beginning and 1.0GB in the end (delta: 746.6MB). Free memory was 223.2MB in the beginning and 376.6MB in the end (delta: -153.4MB). Peak memory consumption was 616.0MB. Max. memory is 8.0GB. [2023-05-04 09:52:57,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 323.84ms. Allocated memory was 201.3MB in the beginning and 287.3MB in the end (delta: 86.0MB). Free memory was 167.4MB in the beginning and 253.1MB in the end (delta: -85.6MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.36ms. Allocated memory is still 287.3MB. Free memory was 253.1MB in the beginning and 251.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 287.3MB. Free memory was 250.7MB in the beginning and 249.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 656.00ms. Allocated memory is still 287.3MB. Free memory was 249.1MB in the beginning and 224.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 825805.05ms. Allocated memory was 287.3MB in the beginning and 1.0GB in the end (delta: 746.6MB). Free memory was 223.2MB in the beginning and 376.6MB in the end (delta: -153.4MB). Peak memory consumption was 616.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3140, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 920, dependent conditional: 908, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2257, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 37, dependent conditional: 25, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2257, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 37, dependent conditional: 25, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 145, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 131, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 131, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 797, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 797, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 153, dependent conditional: 88, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2402, independent: 1466, independent conditional: 0, independent unconditional: 1466, dependent: 139, dependent conditional: 100, dependent unconditional: 39, unknown: 797, unknown conditional: 31, unknown unconditional: 766] , Statistics on independence cache: Total cache size (in pairs): 797, Positive cache size: 754, Positive conditional cache size: 0, Positive unconditional cache size: 754, Negative cache size: 43, Negative conditional cache size: 31, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 10, Independence queries for same thread: 883 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 246, Number of trivial persistent sets: 198, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 965, independent: 953, independent conditional: 0, independent unconditional: 953, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3140, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 920, dependent conditional: 908, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2257, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 37, dependent conditional: 25, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2257, independent: 2220, independent conditional: 1267, independent unconditional: 953, dependent: 37, dependent conditional: 25, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 145, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 131, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2402, independent: 2220, independent conditional: 0, independent unconditional: 2220, dependent: 182, dependent conditional: 131, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 797, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 797, independent: 752, independent conditional: 0, independent unconditional: 752, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 153, dependent conditional: 88, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2402, independent: 1466, independent conditional: 0, independent unconditional: 1466, dependent: 139, dependent conditional: 100, dependent unconditional: 39, unknown: 797, unknown conditional: 31, unknown unconditional: 766] , Statistics on independence cache: Total cache size (in pairs): 797, Positive cache size: 754, Positive conditional cache size: 0, Positive unconditional cache size: 754, Negative cache size: 43, Negative conditional cache size: 31, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 10, Independence queries for same thread: 883 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 37ms.. - TimeoutResultAtElement [Line: 102]: 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 201 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 37ms.. - TimeoutResultAtElement [Line: 101]: 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 201 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 37ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 199 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 825.6s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 3183 NumberOfCodeBlocks, 3168 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3892 ConstructedInterpolants, 0 QuantifiedInterpolants, 12637 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2143 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 983/1112 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