/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 23:52:27,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 23:52:27,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 23:52:27,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 23:52:27,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 23:52:27,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 23:52:27,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 23:52:27,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 23:52:27,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 23:52:27,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 23:52:27,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 23:52:27,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 23:52:27,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 23:52:27,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 23:52:27,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 23:52:27,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 23:52:27,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 23:52:27,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 23:52:27,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 23:52:28,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 23:52:28,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 23:52:28,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 23:52:28,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 23:52:28,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 23:52:28,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 23:52:28,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 23:52:28,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 23:52:28,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 23:52:28,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 23:52:28,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 23:52:28,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 23:52:28,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 23:52:28,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 23:52:28,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 23:52:28,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 23:52:28,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 23:52:28,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 23:52:28,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 23:52:28,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 23:52:28,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 23:52:28,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 23:52:28,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 23:52:28,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 23:52:28,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 23:52:28,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 23:52:28,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 23:52:28,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 23:52:28,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 23:52:28,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 23:52:28,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 23:52:28,034 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 23:52:28,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 23:52:28,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 23:52:28,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 23:52:28,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 23:52:28,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:52:28,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 23:52:28,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 23:52:28,037 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 23:52:28,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 23:52:28,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 23:52:28,037 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 23:52:28,037 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 23:52:28,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 23:52:28,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 23:52:28,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 23:52:28,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 23:52:28,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 23:52:28,251 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 23:52:28,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-11-15 23:52:28,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60778358/36368970ac6145cf8faa9a67a71ace0d/FLAG2039faf12 [2022-11-15 23:52:28,640 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 23:52:28,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2022-11-15 23:52:28,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60778358/36368970ac6145cf8faa9a67a71ace0d/FLAG2039faf12 [2022-11-15 23:52:28,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60778358/36368970ac6145cf8faa9a67a71ace0d [2022-11-15 23:52:28,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 23:52:28,655 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 23:52:28,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 23:52:28,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 23:52:28,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 23:52:28,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1648de0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28, skipping insertion in model container [2022-11-15 23:52:28,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 23:52:28,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 23:52:28,853 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2022-11-15 23:52:28,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:52:28,876 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 23:52:28,906 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2022-11-15 23:52:28,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:52:28,919 INFO L208 MainTranslator]: Completed translation [2022-11-15 23:52:28,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28 WrapperNode [2022-11-15 23:52:28,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 23:52:28,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 23:52:28,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 23:52:28,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 23:52:28,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,952 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 121 [2022-11-15 23:52:28,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 23:52:28,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 23:52:28,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 23:52:28,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 23:52:28,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 23:52:28,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 23:52:28,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 23:52:28,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 23:52:28,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (1/1) ... [2022-11-15 23:52:28,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:52:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:29,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-15 23:52:29,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-15 23:52:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 23:52:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 23:52:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 23:52:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 23:52:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 23:52:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 23:52:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 23:52:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 23:52:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 23:52:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 23:52:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 23:52:29,033 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 23:52:29,117 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 23:52:29,119 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 23:52:29,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 23:52:29,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 23:52:29,399 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-15 23:52:29,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:52:29 BoogieIcfgContainer [2022-11-15 23:52:29,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 23:52:29,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 23:52:29,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 23:52:29,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 23:52:29,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:52:28" (1/3) ... [2022-11-15 23:52:29,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3450f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:52:29, skipping insertion in model container [2022-11-15 23:52:29,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:52:28" (2/3) ... [2022-11-15 23:52:29,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3450f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:52:29, skipping insertion in model container [2022-11-15 23:52:29,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:52:29" (3/3) ... [2022-11-15 23:52:29,406 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2022-11-15 23:52:29,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 23:52:29,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 23:52:29,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 23:52:29,418 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 23:52:29,476 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 23:52:29,513 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:52:29,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 23:52:29,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:29,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 23:52:29,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-15 23:52:29,557 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 23:52:29,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 23:52:29,576 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;@6d16db36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:52:29,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 23:52:29,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:29,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:29,789 INFO L85 PathProgramCache]: Analyzing trace with hash 121176990, now seen corresponding path program 1 times [2022-11-15 23:52:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:29,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931383988] [2022-11-15 23:52:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:30,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:30,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931383988] [2022-11-15 23:52:30,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931383988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:52:30,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:52:30,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 23:52:30,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122544429] [2022-11-15 23:52:30,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:30,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 23:52:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:30,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 23:52:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 23:52:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:30,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:30,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:30,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 23:52:30,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:30,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1527877221, now seen corresponding path program 1 times [2022-11-15 23:52:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:30,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971125806] [2022-11-15 23:52:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:31,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:31,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971125806] [2022-11-15 23:52:31,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971125806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:52:31,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:52:31,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-15 23:52:31,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83197951] [2022-11-15 23:52:31,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:31,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-15 23:52:31,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:31,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-15 23:52:31,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-11-15 23:52:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:31,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:31,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:52:32,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 23:52:32,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:32,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1877026240, now seen corresponding path program 1 times [2022-11-15 23:52:32,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:32,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240104923] [2022-11-15 23:52:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:32,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:32,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240104923] [2022-11-15 23:52:32,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240104923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:52:32,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:52:32,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 23:52:32,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343985991] [2022-11-15 23:52:32,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:32,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:52:32,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:52:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 23:52:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:32,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:32,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:52:32,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-15 23:52:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:32,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 23:52:32,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:32,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:32,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1683821555, now seen corresponding path program 1 times [2022-11-15 23:52:32,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:32,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853173003] [2022-11-15 23:52:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:52:32,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:32,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853173003] [2022-11-15 23:52:32,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853173003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:52:32,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:52:32,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 23:52:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517025234] [2022-11-15 23:52:32,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:32,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:52:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:52:32,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 23:52:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:32,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-15 23:52:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:33,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 23:52:33,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash -946098277, now seen corresponding path program 1 times [2022-11-15 23:52:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:33,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875217536] [2022-11-15 23:52:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:52:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:33,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875217536] [2022-11-15 23:52:33,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875217536] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:33,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145766455] [2022-11-15 23:52:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:33,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:33,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 23:52:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:33,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 23:52:33,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:52:33,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:52:33,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145766455] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:33,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 23:52:33,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-15 23:52:33,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478786611] [2022-11-15 23:52:33,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:33,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:52:33,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:33,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:52:33,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-15 23:52:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:33,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:33,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:33,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:33,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:33,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:33,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:33,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:34,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:34,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:34,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:34,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:34,207 INFO L85 PathProgramCache]: Analyzing trace with hash -571599373, now seen corresponding path program 1 times [2022-11-15 23:52:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:34,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185788778] [2022-11-15 23:52:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:34,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:52:34,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:34,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185788778] [2022-11-15 23:52:34,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185788778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:34,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586714986] [2022-11-15 23:52:34,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:34,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:34,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:34,345 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) [2022-11-15 23:52:34,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 23:52:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:34,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 23:52:34,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:52:34,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:52:34,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586714986] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:34,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 23:52:34,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-15 23:52:34,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967962931] [2022-11-15 23:52:34,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:34,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:52:34,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:34,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:52:34,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-15 23:52:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:34,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:34,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:34,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:34,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:34,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:35,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:35,071 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash 60101295, now seen corresponding path program 1 times [2022-11-15 23:52:35,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:35,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954430375] [2022-11-15 23:52:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:35,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:35,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954430375] [2022-11-15 23:52:35,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954430375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:35,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951862792] [2022-11-15 23:52:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:35,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:35,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:35,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:35,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 23:52:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:35,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 23:52:35,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:35,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:35,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951862792] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:35,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 23:52:35,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-15 23:52:35,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976929786] [2022-11-15 23:52:35,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:52:35,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:52:35,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:35,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:52:35,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-15 23:52:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:35,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:35,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:35,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:35,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:35,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:35,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 23:52:35,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:35,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:35,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:35,913 INFO L85 PathProgramCache]: Analyzing trace with hash 625665580, now seen corresponding path program 1 times [2022-11-15 23:52:35,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:35,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172809826] [2022-11-15 23:52:35,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:35,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:36,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:36,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172809826] [2022-11-15 23:52:36,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172809826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:36,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668269330] [2022-11-15 23:52:36,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:36,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:36,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:36,119 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) [2022-11-15 23:52:36,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 23:52:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:36,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 23:52:36,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:36,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:36,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668269330] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:36,363 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:36,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-15 23:52:36,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459065446] [2022-11-15 23:52:36,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:36,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-15 23:52:36,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:36,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-15 23:52:36,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-15 23:52:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:36,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:36,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:36,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:36,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:36,772 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:36,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:36,772 INFO L85 PathProgramCache]: Analyzing trace with hash 247298800, now seen corresponding path program 2 times [2022-11-15 23:52:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:36,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482711783] [2022-11-15 23:52:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:36,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:36,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482711783] [2022-11-15 23:52:36,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482711783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:36,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952150129] [2022-11-15 23:52:36,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:52:36,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:36,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:36,981 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) [2022-11-15 23:52:36,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 23:52:37,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:52:37,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:37,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:52:37,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:37,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:52:37,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952150129] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:37,377 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:37,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-15 23:52:37,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191831332] [2022-11-15 23:52:37,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:37,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 23:52:37,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:37,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 23:52:37,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-15 23:52:37,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:37,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:37,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.958333333333334) internal successors, (263), 24 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:37,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:37,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:38,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:38,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:38,744 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash -104818320, now seen corresponding path program 3 times [2022-11-15 23:52:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:38,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769917357] [2022-11-15 23:52:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-15 23:52:38,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:38,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769917357] [2022-11-15 23:52:38,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769917357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:38,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361684452] [2022-11-15 23:52:38,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:52:38,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:38,931 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) [2022-11-15 23:52:38,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 23:52:39,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:52:39,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:39,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 23:52:39,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-15 23:52:39,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-15 23:52:39,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361684452] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:39,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:39,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 20 [2022-11-15 23:52:39,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113204685] [2022-11-15 23:52:39,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:39,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-15 23:52:39,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:39,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-15 23:52:39,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-15 23:52:39,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:39,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:39,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 14.85) internal successors, (297), 20 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:39,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:42,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-15 23:52:42,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:42,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:42,746 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:42,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:42,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1282631155, now seen corresponding path program 4 times [2022-11-15 23:52:42,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:42,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178851113] [2022-11-15 23:52:42,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:42,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-15 23:52:42,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:42,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178851113] [2022-11-15 23:52:42,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178851113] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:42,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793927585] [2022-11-15 23:52:42,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:52:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:42,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:42,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 23:52:43,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:52:43,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:43,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:52:43,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-15 23:52:43,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-15 23:52:43,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793927585] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:43,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:43,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2022-11-15 23:52:43,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29554963] [2022-11-15 23:52:43,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:43,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 23:52:43,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:43,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 23:52:43,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-11-15 23:52:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:43,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:43,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:43,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:43,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-15 23:52:43,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-11-15 23:52:44,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:52:44,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-15 23:52:44,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-15 23:52:44,294 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:44,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:44,294 INFO L85 PathProgramCache]: Analyzing trace with hash -198528593, now seen corresponding path program 5 times [2022-11-15 23:52:44,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:44,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44405287] [2022-11-15 23:52:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:44,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-15 23:52:44,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:44,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44405287] [2022-11-15 23:52:44,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44405287] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:44,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975818317] [2022-11-15 23:52:44,528 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:52:44,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:44,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:44,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:44,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-15 23:52:44,646 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-15 23:52:44,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:44,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:52:44,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-15 23:52:44,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-15 23:52:45,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975818317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:45,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:45,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-11-15 23:52:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601254106] [2022-11-15 23:52:45,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:45,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-15 23:52:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:45,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-15 23:52:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2022-11-15 23:52:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:45,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:45,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.088235294117647) internal successors, (241), 34 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:45,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:52:45,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:45,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-11-15 23:52:45,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:52:45,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:48,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:52:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:52:48,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-15 23:52:49,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:49,198 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:49,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:49,198 INFO L85 PathProgramCache]: Analyzing trace with hash 857247919, now seen corresponding path program 6 times [2022-11-15 23:52:49,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:49,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600894982] [2022-11-15 23:52:49,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-15 23:52:49,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:49,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600894982] [2022-11-15 23:52:49,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600894982] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:49,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492620735] [2022-11-15 23:52:49,429 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:52:49,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:49,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:49,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-15 23:52:49,572 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-15 23:52:49,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:52:49,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:52:49,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 22 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-15 23:52:49,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-15 23:52:50,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492620735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:50,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:50,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-11-15 23:52:50,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351176795] [2022-11-15 23:52:50,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:50,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-15 23:52:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-15 23:52:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2022-11-15 23:52:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:50,131 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:50,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.735294117647058) internal successors, (297), 34 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:50,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:52:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:52:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:52:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:52:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:52:54,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-15 23:52:54,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-15 23:52:54,823 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:52:54,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:52:54,824 INFO L85 PathProgramCache]: Analyzing trace with hash 947646983, now seen corresponding path program 7 times [2022-11-15 23:52:54,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:52:54,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530287225] [2022-11-15 23:52:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:52:54,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:52:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:52:55,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:52:55,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530287225] [2022-11-15 23:52:55,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530287225] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:52:55,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468535087] [2022-11-15 23:52:55,062 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:52:55,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:52:55,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:52:55,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:52:55,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-15 23:52:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:52:55,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:52:55,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:52:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 22 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:52:55,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:52:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:52:55,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468535087] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:52:55,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:52:55,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2022-11-15 23:52:55,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837167680] [2022-11-15 23:52:55,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:52:55,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-15 23:52:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:52:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-15 23:52:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2022-11-15 23:52:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:55,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:52:55,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.205882352941177) internal successors, (245), 34 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:52:55,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:52:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:53:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:53:00,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-15 23:53:00,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-15 23:53:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-15 23:53:00,284 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:53:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:00,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1658678316, now seen corresponding path program 8 times [2022-11-15 23:53:00,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:00,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655993775] [2022-11-15 23:53:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:53:00,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:00,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655993775] [2022-11-15 23:53:00,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655993775] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:00,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62552023] [2022-11-15 23:53:00,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:53:00,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:00,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:00,561 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:00,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-15 23:53:00,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:53:00,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:53:00,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:53:00,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:53:00,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:53:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-15 23:53:00,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62552023] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:00,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:00,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 24 [2022-11-15 23:53:00,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931258597] [2022-11-15 23:53:00,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:00,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 23:53:00,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:00,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 23:53:00,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-15 23:53:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:00,931 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:00,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.875) internal successors, (213), 24 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-15 23:53:00,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:53:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:53:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:53:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-15 23:53:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:53:06,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-15 23:53:06,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-15 23:53:06,196 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:53:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:53:06,197 INFO L85 PathProgramCache]: Analyzing trace with hash -24962152, now seen corresponding path program 9 times [2022-11-15 23:53:06,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:53:06,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576413492] [2022-11-15 23:53:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:53:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:53:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:53:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-15 23:53:06,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:53:06,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576413492] [2022-11-15 23:53:06,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576413492] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:53:06,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76841625] [2022-11-15 23:53:06,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:53:06,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:53:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:53:06,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:53:06,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-15 23:53:06,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:53:06,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:53:06,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 23:53:06,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:53:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-15 23:53:06,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:53:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-15 23:53:06,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76841625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:53:06,914 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:53:06,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 26 [2022-11-15 23:53:06,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003595679] [2022-11-15 23:53:06,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:53:06,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-15 23:53:06,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:53:06,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-15 23:53:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-11-15 23:53:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:06,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:53:06,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.307692307692308) internal successors, (320), 26 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:53:06,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:06,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:53:06,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:06,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-15 23:53:06,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:53:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-15 23:53:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:53:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-11-15 23:53:24,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-15 23:53:24,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-15 23:53:24,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-15 23:53:24,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-15 23:53:24,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-15 23:53:24,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-15 23:53:24,504 INFO L444 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1, 1] [2022-11-15 23:53:24,506 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 23:53:24,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 23:53:24,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:53:24 BasicIcfg [2022-11-15 23:53:24,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 23:53:24,508 INFO L158 Benchmark]: Toolchain (without parser) took 55852.98ms. Allocated memory was 191.9MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 133.0MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-15 23:53:24,508 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 23:53:24,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.66ms. Allocated memory was 191.9MB in the beginning and 288.4MB in the end (delta: 96.5MB). Free memory was 132.8MB in the beginning and 258.3MB in the end (delta: -125.5MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2022-11-15 23:53:24,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.01ms. Allocated memory is still 288.4MB. Free memory was 258.3MB in the beginning and 256.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 23:53:24,509 INFO L158 Benchmark]: Boogie Preprocessor took 26.16ms. Allocated memory is still 288.4MB. Free memory was 256.2MB in the beginning and 254.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 23:53:24,509 INFO L158 Benchmark]: RCFGBuilder took 421.51ms. Allocated memory is still 288.4MB. Free memory was 254.7MB in the beginning and 235.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-11-15 23:53:24,509 INFO L158 Benchmark]: TraceAbstraction took 55105.62ms. Allocated memory was 288.4MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 234.7MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-15 23:53:24,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.66ms. Allocated memory was 191.9MB in the beginning and 288.4MB in the end (delta: 96.5MB). Free memory was 132.8MB in the beginning and 258.3MB in the end (delta: -125.5MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.01ms. Allocated memory is still 288.4MB. Free memory was 258.3MB in the beginning and 256.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.16ms. Allocated memory is still 288.4MB. Free memory was 256.2MB in the beginning and 254.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 421.51ms. Allocated memory is still 288.4MB. Free memory was 254.7MB in the beginning and 235.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 55105.62ms. Allocated memory was 288.4MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 234.7MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4963756, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 749928, dependent conditional: 749898, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4227877, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 14049, dependent conditional: 14019, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4227877, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 14049, dependent conditional: 14019, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 226839, dependent unconditional: 21699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 117965, dependent unconditional: 130573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 117965, dependent unconditional: 130573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2866, independent: 2513, independent conditional: 8, independent unconditional: 2505, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2866, independent: 2503, independent conditional: 0, independent unconditional: 2503, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 363, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 363, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 695, independent: 60, independent conditional: 26, independent unconditional: 34, dependent: 635, dependent conditional: 543, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4462366, independent: 4211315, independent conditional: 7642, independent unconditional: 4203673, dependent: 248185, dependent conditional: 117642, dependent unconditional: 130543, unknown: 2866, unknown conditional: 331, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2866, Positive cache size: 2513, Positive conditional cache size: 8, Positive unconditional cache size: 2505, Negative cache size: 353, Negative conditional cache size: 323, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 108874, Maximal queried relation: 15, Independence queries for same thread: 735879 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 4146, Number of trivial persistent sets: 4066, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3181, independent: 3151, independent conditional: 0, independent unconditional: 3151, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4963756, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 749928, dependent conditional: 749898, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4227877, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 14049, dependent conditional: 14019, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4227877, independent: 4213828, independent conditional: 4210677, independent unconditional: 3151, dependent: 14049, dependent conditional: 14019, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 226839, dependent unconditional: 21699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 117965, dependent unconditional: 130573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4462366, independent: 4213828, independent conditional: 7650, independent unconditional: 4206178, dependent: 248538, dependent conditional: 117965, dependent unconditional: 130573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2866, independent: 2513, independent conditional: 8, independent unconditional: 2505, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2866, independent: 2503, independent conditional: 0, independent unconditional: 2503, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 363, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 363, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 353, dependent conditional: 323, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 695, independent: 60, independent conditional: 26, independent unconditional: 34, dependent: 635, dependent conditional: 543, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4462366, independent: 4211315, independent conditional: 7642, independent unconditional: 4203673, dependent: 248185, dependent conditional: 117642, dependent unconditional: 130543, unknown: 2866, unknown conditional: 331, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2866, Positive cache size: 2513, Positive conditional cache size: 8, Positive unconditional cache size: 2505, Negative cache size: 353, Negative conditional cache size: 323, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 108874, Maximal queried relation: 15, Independence queries for same thread: 735879 - PositiveResult [Line: 103]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 206 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 55.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 42.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 743, 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, 1.1s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 4849 NumberOfCodeBlocks, 4811 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 6976 ConstructedInterpolants, 0 QuantifiedInterpolants, 18298 SizeOfPredicates, 101 NumberOfNonLiveVariables, 4793 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 1353/1703 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 23:53:24,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-15 23:53:24,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...