/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:21:25,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:21:25,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:21:25,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:21:25,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:21:25,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:21:25,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:21:25,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:21:25,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:21:25,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:21:25,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:21:25,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:21:25,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:21:25,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:21:25,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:21:25,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:21:25,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:21:25,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:21:25,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:21:25,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:21:25,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:21:25,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:21:25,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:21:25,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:21:25,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:21:25,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:21:25,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:21:25,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:21:25,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:21:25,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:21:25,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:21:25,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:21:25,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:21:25,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:21:25,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:21:25,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:21:25,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:21:25,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:21:25,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:21:25,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:21:25,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:21:25,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:21:25,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:21:25,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:21:25,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:21:25,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:21:25,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:21:25,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:21:25,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:21:25,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:21:25,162 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:21:25,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:21:25,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:21:25,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:21:25,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:21:25,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:21:25,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:21:25,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:21:25,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:21:25,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:21:25,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:21:25,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:21:25,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:21:25,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:21:25,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:21:25,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:21:25,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:21:25,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:21:25,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:21:25,374 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:21:25,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-11-16 03:21:25,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cba439/dacc03be94aa40ab8cb2a07a06ec7417/FLAGbb456c4fb [2022-11-16 03:21:25,723 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:21:25,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2022-11-16 03:21:25,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cba439/dacc03be94aa40ab8cb2a07a06ec7417/FLAGbb456c4fb [2022-11-16 03:21:26,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cba439/dacc03be94aa40ab8cb2a07a06ec7417 [2022-11-16 03:21:26,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:21:26,155 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:21:26,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:21:26,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:21:26,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:21:26,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f358e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26, skipping insertion in model container [2022-11-16 03:21:26,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:21:26,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:21:26,396 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/chl-name-comparator-symm.wvr.c[3856,3869] [2022-11-16 03:21:26,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:21:26,412 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:21:26,427 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/chl-name-comparator-symm.wvr.c[3856,3869] [2022-11-16 03:21:26,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:21:26,442 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:21:26,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26 WrapperNode [2022-11-16 03:21:26,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:21:26,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:21:26,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:21:26,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:21:26,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,468 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 214 [2022-11-16 03:21:26,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:21:26,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:21:26,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:21:26,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:21:26,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:21:26,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:21:26,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:21:26,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:21:26,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (1/1) ... [2022-11-16 03:21:26,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:21:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:26,510 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) [2022-11-16 03:21:26,545 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 [2022-11-16 03:21:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 03:21:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 03:21:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 03:21:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:21:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 03:21:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:21:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:21:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:21:26,559 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:21:26,672 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:21:26,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:21:26,920 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:21:26,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:21:26,929 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 03:21:26,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:21:26 BoogieIcfgContainer [2022-11-16 03:21:26,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:21:26,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:21:26,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:21:26,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:21:26,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:21:26" (1/3) ... [2022-11-16 03:21:26,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3749b7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:21:26, skipping insertion in model container [2022-11-16 03:21:26,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:21:26" (2/3) ... [2022-11-16 03:21:26,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3749b7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:21:26, skipping insertion in model container [2022-11-16 03:21:26,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:21:26" (3/3) ... [2022-11-16 03:21:26,937 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2022-11-16 03:21:26,942 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:21:26,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:21:26,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:21:26,949 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:21:27,025 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 03:21:27,076 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:21:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:21:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:27,094 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) [2022-11-16 03:21:27,095 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 [2022-11-16 03:21:27,126 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:21:27,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:21:27,148 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;@3f2b0553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:21:27,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 03:21:27,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:27,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1347573389, now seen corresponding path program 1 times [2022-11-16 03:21:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:27,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186922242] [2022-11-16 03:21:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:21:27,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:27,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186922242] [2022-11-16 03:21:27,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186922242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:27,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:27,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 03:21:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933430560] [2022-11-16 03:21:27,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:27,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 03:21:27,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:27,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 03:21:27,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 03:21:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:27,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:27,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.5) internal successors, (197), 2 states have internal predecessors, (197), 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) [2022-11-16 03:21:27,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:27,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:21:27,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:27,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:27,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1835524333, now seen corresponding path program 1 times [2022-11-16 03:21:27,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:27,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697237277] [2022-11-16 03:21:27,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:27,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:21:28,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:28,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697237277] [2022-11-16 03:21:28,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697237277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:28,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:28,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 03:21:28,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692211421] [2022-11-16 03:21:28,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:28,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 03:21:28,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:28,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 03:21:28,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 03:21:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:28,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 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) [2022-11-16 03:21:28,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:28,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:21:28,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:28,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:28,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1396860898, now seen corresponding path program 1 times [2022-11-16 03:21:28,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:28,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087926528] [2022-11-16 03:21:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:21:28,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:28,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087926528] [2022-11-16 03:21:28,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087926528] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:28,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859685326] [2022-11-16 03:21:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:28,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:28,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:28,417 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) [2022-11-16 03:21:28,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 03:21:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:28,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 03:21:28,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:21:28,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:21:28,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859685326] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:21:28,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:21:28,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-16 03:21:28,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430014507] [2022-11-16 03:21:28,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:28,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 03:21:28,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:28,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 03:21:28,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-11-16 03:21:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:28,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.714285714285715) internal successors, (234), 14 states have internal predecessors, (234), 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) [2022-11-16 03:21:28,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:28,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:28,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:29,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 03:21:29,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1619106498, now seen corresponding path program 2 times [2022-11-16 03:21:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:29,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247822106] [2022-11-16 03:21:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:29,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:29,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247822106] [2022-11-16 03:21:29,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247822106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:29,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:29,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:21:29,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748249478] [2022-11-16 03:21:29,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:29,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:21:29,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:29,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:21:29,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:21:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:29,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.142857142857142) internal successors, (197), 7 states have internal predecessors, (197), 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) [2022-11-16 03:21:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:29,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:29,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 03:21:29,446 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:29,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:29,446 INFO L85 PathProgramCache]: Analyzing trace with hash 115444873, now seen corresponding path program 1 times [2022-11-16 03:21:29,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:29,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061347366] [2022-11-16 03:21:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:29,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:29,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:29,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061347366] [2022-11-16 03:21:29,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061347366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:29,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:29,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:21:29,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567654857] [2022-11-16 03:21:29,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:29,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:21:29,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:21:29,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:21:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:29,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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) [2022-11-16 03:21:29,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:29,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:29,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:29,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:29,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 03:21:29,690 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:29,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1913493804, now seen corresponding path program 1 times [2022-11-16 03:21:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:29,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63013791] [2022-11-16 03:21:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:29,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:30,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:30,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63013791] [2022-11-16 03:21:30,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63013791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:30,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:30,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 03:21:30,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662917355] [2022-11-16 03:21:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:30,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 03:21:30,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:30,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 03:21:30,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 03:21:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:30,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 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) [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:30,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 03:21:30,355 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:30,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:30,355 INFO L85 PathProgramCache]: Analyzing trace with hash 292283469, now seen corresponding path program 1 times [2022-11-16 03:21:30,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:30,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716607840] [2022-11-16 03:21:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:30,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:30,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:30,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716607840] [2022-11-16 03:21:30,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716607840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:30,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:30,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:21:30,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106966697] [2022-11-16 03:21:30,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:30,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:21:30,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:30,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:21:30,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:21:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:30,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 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) [2022-11-16 03:21:30,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:30,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:30,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:30,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:30,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:30,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:30,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:21:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:31,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 03:21:31,011 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:31,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:31,011 INFO L85 PathProgramCache]: Analyzing trace with hash 841667655, now seen corresponding path program 1 times [2022-11-16 03:21:31,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092182648] [2022-11-16 03:21:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:31,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:31,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092182648] [2022-11-16 03:21:31,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092182648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:31,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:31,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:21:31,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734998476] [2022-11-16 03:21:31,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:31,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:21:31,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:31,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:21:31,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:21:31,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:31,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 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) [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:21:31,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:31,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:31,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 03:21:31,296 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:31,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:31,296 INFO L85 PathProgramCache]: Analyzing trace with hash -160662510, now seen corresponding path program 1 times [2022-11-16 03:21:31,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:31,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083061244] [2022-11-16 03:21:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:31,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:31,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:31,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083061244] [2022-11-16 03:21:31,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083061244] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:31,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210582454] [2022-11-16 03:21:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:31,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:31,561 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) [2022-11-16 03:21:31,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 03:21:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:31,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 03:21:31,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:32,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:32,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210582454] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:32,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 03:21:32,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 18 [2022-11-16 03:21:32,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78226371] [2022-11-16 03:21:32,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:32,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 03:21:32,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:32,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 03:21:32,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-16 03:21:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:32,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 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) [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:32,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:32,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:32,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:32,554 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:32,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1098938073, now seen corresponding path program 1 times [2022-11-16 03:21:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:32,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900738260] [2022-11-16 03:21:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:32,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:32,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:32,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900738260] [2022-11-16 03:21:32,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900738260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:32,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:21:32,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:21:32,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309153366] [2022-11-16 03:21:32,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:32,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:21:32,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:32,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:21:32,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:21:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:32,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 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) [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 03:21:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:33,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 03:21:33,061 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:33,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:33,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1326461136, now seen corresponding path program 1 times [2022-11-16 03:21:33,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:33,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390023815] [2022-11-16 03:21:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:33,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390023815] [2022-11-16 03:21:33,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390023815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425998140] [2022-11-16 03:21:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:33,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:33,260 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) [2022-11-16 03:21:33,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 03:21:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:33,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 03:21:33,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 03:21:34,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 03:21:34,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425998140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:21:34,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 03:21:34,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [8] total 31 [2022-11-16 03:21:34,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751385795] [2022-11-16 03:21:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:21:34,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 03:21:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:34,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 03:21:34,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2022-11-16 03:21:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:34,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:34,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.32) internal successors, (233), 25 states have internal predecessors, (233), 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) [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:34,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:34,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:34,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:34,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:34,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 03:21:36,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:36,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:36,365 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:36,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:36,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1790959429, now seen corresponding path program 1 times [2022-11-16 03:21:36,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:36,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549200352] [2022-11-16 03:21:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:36,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:36,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:36,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549200352] [2022-11-16 03:21:36,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549200352] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:36,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606759599] [2022-11-16 03:21:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:36,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:36,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:36,663 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) [2022-11-16 03:21:36,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 03:21:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:36,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 03:21:36,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:36,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:36,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606759599] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:21:36,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:21:36,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-11-16 03:21:36,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274187584] [2022-11-16 03:21:36,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:36,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 03:21:36,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:36,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 03:21:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-16 03:21:36,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:36,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:36,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 21.866666666666667) internal successors, (328), 15 states have internal predecessors, (328), 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) [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-16 03:21:36,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:37,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:37,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 03:21:37,408 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:37,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1964050437, now seen corresponding path program 1 times [2022-11-16 03:21:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:37,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909629723] [2022-11-16 03:21:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:37,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:37,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909629723] [2022-11-16 03:21:37,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909629723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:37,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077214211] [2022-11-16 03:21:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:37,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:37,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:37,614 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) [2022-11-16 03:21:37,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 03:21:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:37,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 03:21:37,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:37,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:37,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077214211] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:21:37,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:21:37,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-11-16 03:21:37,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037622939] [2022-11-16 03:21:37,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:37,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 03:21:37,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:37,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 03:21:37,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-16 03:21:37,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:37,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:37,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:21:37,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:38,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:38,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:38,339 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:38,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1166930886, now seen corresponding path program 1 times [2022-11-16 03:21:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:38,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290724546] [2022-11-16 03:21:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:40,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:40,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290724546] [2022-11-16 03:21:40,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290724546] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:40,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261145004] [2022-11-16 03:21:40,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:40,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:40,287 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) [2022-11-16 03:21:40,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 03:21:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:40,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-16 03:21:40,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:41,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2022-11-16 03:21:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:43,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:45,661 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:21:45,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 34 [2022-11-16 03:21:45,682 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-16 03:21:45,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 1 [2022-11-16 03:21:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:45,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261145004] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:21:45,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:21:45,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 30] total 83 [2022-11-16 03:21:45,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313157644] [2022-11-16 03:21:45,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:45,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-11-16 03:21:45,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:45,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-11-16 03:21:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=6303, Unknown=0, NotChecked=0, Total=6806 [2022-11-16 03:21:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:45,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:45,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.662650602409639) internal successors, (387), 83 states have internal predecessors, (387), 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) [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:21:45,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:21:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:21:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-16 03:21:55,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 03:21:55,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:55,930 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:21:55,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:21:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2111864217, now seen corresponding path program 2 times [2022-11-16 03:21:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:21:55,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901094227] [2022-11-16 03:21:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:21:55,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:21:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:21:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:57,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:21:57,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901094227] [2022-11-16 03:21:57,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901094227] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:21:57,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773759605] [2022-11-16 03:21:57,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 03:21:57,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:21:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:21:57,463 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) [2022-11-16 03:21:57,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 03:21:57,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 03:21:57,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:21:57,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 03:21:57,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:21:58,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2022-11-16 03:21:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:59,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:21:59,525 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:21:59,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 31 [2022-11-16 03:21:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:21:59,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773759605] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:21:59,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:21:59,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 25, 18] total 68 [2022-11-16 03:21:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463708504] [2022-11-16 03:21:59,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:59,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-11-16 03:21:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:59,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-11-16 03:21:59,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=4185, Unknown=0, NotChecked=0, Total=4556 [2022-11-16 03:21:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:59,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 5.573529411764706) internal successors, (379), 68 states have internal predecessors, (379), 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) [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:21:59,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-16 03:21:59,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-11-16 03:22:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-11-16 03:22:05,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 03:22:06,147 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,SelfDestructingSolverStorable14 [2022-11-16 03:22:06,147 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:22:06,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:22:06,148 INFO L85 PathProgramCache]: Analyzing trace with hash -403083336, now seen corresponding path program 3 times [2022-11-16 03:22:06,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:22:06,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711252168] [2022-11-16 03:22:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:22:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:22:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:22:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:08,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:22:08,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711252168] [2022-11-16 03:22:08,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711252168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:22:08,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270337266] [2022-11-16 03:22:08,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 03:22:08,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:22:08,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:22:08,211 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) [2022-11-16 03:22:08,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 03:22:08,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 03:22:08,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:22:08,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-16 03:22:08,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:22:12,959 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:22:12,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 35 [2022-11-16 03:22:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:13,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:22:17,198 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:22:17,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 160 treesize of output 108 [2022-11-16 03:22:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:17,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270337266] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:22:17,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:22:17,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 46, 39] total 112 [2022-11-16 03:22:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782057933] [2022-11-16 03:22:17,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:22:17,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-11-16 03:22:17,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:22:17,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-11-16 03:22:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=11837, Unknown=0, NotChecked=0, Total=12432 [2022-11-16 03:22:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:17,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:22:17,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.473214285714286) internal successors, (501), 112 states have internal predecessors, (501), 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) [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:17,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-11-16 03:22:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-16 03:22:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-16 03:22:43,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-16 03:22:43,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-16 03:22:43,642 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:22:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:22:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash -907669978, now seen corresponding path program 2 times [2022-11-16 03:22:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:22:43,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439417095] [2022-11-16 03:22:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:22:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:22:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:22:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 26 proven. 51 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:45,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:22:45,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439417095] [2022-11-16 03:22:45,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439417095] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:22:45,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059617765] [2022-11-16 03:22:45,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 03:22:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:22:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:22:45,801 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) [2022-11-16 03:22:45,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 03:22:45,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 03:22:45,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:22:45,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-16 03:22:45,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:22:46,537 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 03:22:46,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 36 [2022-11-16 03:22:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 03:22:47,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:22:47,640 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 03:22:47,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-11-16 03:22:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 10 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:47,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059617765] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:22:47,998 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:22:47,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 30, 24] total 85 [2022-11-16 03:22:47,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242227648] [2022-11-16 03:22:47,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:22:47,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-11-16 03:22:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:22:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-11-16 03:22:48,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=6690, Unknown=0, NotChecked=0, Total=7140 [2022-11-16 03:22:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:48,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:22:48,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 6.541176470588235) internal successors, (556), 85 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-16 03:22:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:54,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-16 03:22:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-16 03:22:54,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 03:22:54,578 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,SelfDestructingSolverStorable16 [2022-11-16 03:22:54,578 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:22:54,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:22:54,579 INFO L85 PathProgramCache]: Analyzing trace with hash 377486385, now seen corresponding path program 4 times [2022-11-16 03:22:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:22:54,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009841661] [2022-11-16 03:22:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:22:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:22:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:22:56,155 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 25 proven. 52 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:56,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:22:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009841661] [2022-11-16 03:22:56,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009841661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:22:56,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886425314] [2022-11-16 03:22:56,156 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 03:22:56,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:22:56,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:22:56,157 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) [2022-11-16 03:22:56,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 03:22:56,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 03:22:56,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:22:56,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-16 03:22:56,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:22:56,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 33 [2022-11-16 03:22:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 25 proven. 65 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 03:22:57,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:22:57,785 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 03:22:57,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-11-16 03:22:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:22:58,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886425314] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:22:58,196 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:22:58,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 26, 24] total 76 [2022-11-16 03:22:58,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037475106] [2022-11-16 03:22:58,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:22:58,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-11-16 03:22:58,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:22:58,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-11-16 03:22:58,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=5290, Unknown=0, NotChecked=0, Total=5700 [2022-11-16 03:22:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:58,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:22:58,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.355263157894737) internal successors, (483), 76 states have internal predecessors, (483), 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) [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-16 03:22:58,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-16 03:23:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-16 03:23:08,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-16 03:23:08,354 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,SelfDestructingSolverStorable17 [2022-11-16 03:23:08,354 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:23:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:23:08,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1116614410, now seen corresponding path program 2 times [2022-11-16 03:23:08,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:23:08,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157622831] [2022-11-16 03:23:08,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:23:08,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:23:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:23:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 74 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:23:10,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157622831] [2022-11-16 03:23:10,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157622831] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:23:10,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312582032] [2022-11-16 03:23:10,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 03:23:10,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:10,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:23:10,818 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) [2022-11-16 03:23:10,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 03:23:10,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 03:23:10,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:23:10,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-16 03:23:10,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:23:11,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2022-11-16 03:23:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 03:23:12,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:23:12,813 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 03:23:12,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-11-16 03:23:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:13,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312582032] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:23:13,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:23:13,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 31, 25] total 84 [2022-11-16 03:23:13,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976545281] [2022-11-16 03:23:13,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:23:13,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2022-11-16 03:23:13,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:23:13,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2022-11-16 03:23:13,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=613, Invalid=6359, Unknown=0, NotChecked=0, Total=6972 [2022-11-16 03:23:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:13,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:23:13,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.440476190476191) internal successors, (541), 84 states have internal predecessors, (541), 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) [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-16 03:23:13,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-16 03:23:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-16 03:23:18,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 03:23:18,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:18,982 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:23:18,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:23:18,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1013735157, now seen corresponding path program 5 times [2022-11-16 03:23:18,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:23:18,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680293607] [2022-11-16 03:23:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:23:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:23:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:23:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 74 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:20,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:23:20,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680293607] [2022-11-16 03:23:20,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680293607] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:23:20,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911148783] [2022-11-16 03:23:20,583 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 03:23:20,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:20,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:23:20,584 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) [2022-11-16 03:23:20,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-16 03:23:20,782 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-16 03:23:20,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:23:20,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-16 03:23:20,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:23:23,265 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:23:23,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 33 [2022-11-16 03:23:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 74 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:23,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:23:25,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:23:25,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 85 [2022-11-16 03:23:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 74 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:26,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911148783] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:23:26,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:23:26,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 38, 36] total 100 [2022-11-16 03:23:26,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38153802] [2022-11-16 03:23:26,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:23:26,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-11-16 03:23:26,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:23:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-11-16 03:23:26,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=9188, Unknown=0, NotChecked=0, Total=9900 [2022-11-16 03:23:26,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:26,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:23:26,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.59) internal successors, (459), 100 states have internal predecessors, (459), 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) [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-16 03:23:26,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 03:23:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-16 03:23:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-16 03:23:42,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-16 03:23:42,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-16 03:23:42,878 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,SelfDestructingSolverStorable19 [2022-11-16 03:23:42,878 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:23:42,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:23:42,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1883194712, now seen corresponding path program 3 times [2022-11-16 03:23:42,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:23:42,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233324564] [2022-11-16 03:23:42,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:23:42,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:23:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:23:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 73 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:43,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:23:43,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233324564] [2022-11-16 03:23:43,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233324564] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:23:43,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014899487] [2022-11-16 03:23:43,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 03:23:43,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:23:43,077 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 03:23:43,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 03:23:43,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 03:23:43,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:23:43,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 03:23:43,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:23:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 160 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:43,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:23:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 160 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:43,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014899487] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:23:43,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:23:43,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2022-11-16 03:23:43,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194224120] [2022-11-16 03:23:43,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:23:43,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 03:23:43,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:23:43,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 03:23:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-16 03:23:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:43,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:23:43,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 24.5) internal successors, (392), 16 states have internal predecessors, (392), 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) [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-11-16 03:23:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 03:23:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-11-16 03:23:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:23:49,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-16 03:23:49,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:49,542 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:23:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:23:49,542 INFO L85 PathProgramCache]: Analyzing trace with hash -437134094, now seen corresponding path program 3 times [2022-11-16 03:23:49,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:23:49,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827128001] [2022-11-16 03:23:49,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:23:49,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:23:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:23:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 122 proven. 47 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:49,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:23:49,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827128001] [2022-11-16 03:23:49,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827128001] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:23:49,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761517825] [2022-11-16 03:23:49,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 03:23:49,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:23:49,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:23:49,890 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 03:23:49,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 03:23:50,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 03:23:50,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:23:50,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 03:23:50,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:23:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 175 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 03:23:50,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:23:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 160 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:23:50,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761517825] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:23:50,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:23:50,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 11] total 20 [2022-11-16 03:23:50,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826103026] [2022-11-16 03:23:50,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:23:50,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 03:23:50,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:23:50,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 03:23:50,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2022-11-16 03:23:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:50,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:23:50,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 18.7) internal successors, (374), 20 states have internal predecessors, (374), 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) [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:23:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:26:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 387 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 421 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 418 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:26:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 03:26:48,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-16 03:26:49,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:26:49,109 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:26:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:26:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash -998187425, now seen corresponding path program 2 times [2022-11-16 03:26:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:26:49,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201590826] [2022-11-16 03:26:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:26:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:26:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:26:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:26:49,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:26:49,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201590826] [2022-11-16 03:26:49,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201590826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:26:49,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:26:49,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:26:49,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674445404] [2022-11-16 03:26:49,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:26:49,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:26:49,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:26:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:26:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:26:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:49,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:26:49,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 8 states have internal predecessors, (171), 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) [2022-11-16 03:26:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2022-11-16 03:26:49,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 387 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 421 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 418 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-16 03:26:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:54,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:26:54,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:26:54,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:26:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:54,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 430 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 424 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 03:26:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:26:54,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 03:26:54,307 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 03:26:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:26:54,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1123456258, now seen corresponding path program 6 times [2022-11-16 03:26:54,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:26:54,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194084116] [2022-11-16 03:26:54,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:26:54,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:26:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:26:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:26:56,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:26:56,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194084116] [2022-11-16 03:26:56,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194084116] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:26:56,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089377999] [2022-11-16 03:26:56,269 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 03:26:56,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:26:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:26:56,272 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 03:26:56,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-16 03:26:56,376 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-16 03:26:56,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 03:26:56,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-16 03:26:56,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:26:56,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 03:26:56,502 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 03:26:56,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 03:26:56,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 03:26:57,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2022-11-16 03:26:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:26:59,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:27:01,361 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 03:27:01,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2022-11-16 03:27:01,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-16 03:27:01,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 03:27:01,376 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-16 03:27:01,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2022-11-16 03:27:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 03:27:02,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089377999] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:27:02,070 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:27:02,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 95 [2022-11-16 03:27:02,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913728976] [2022-11-16 03:27:02,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:27:02,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-11-16 03:27:02,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:27:02,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-11-16 03:27:02,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=8388, Unknown=11, NotChecked=0, Total=8930 [2022-11-16 03:27:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:27:02,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:27:02,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 4.5473684210526315) internal successors, (432), 95 states have internal predecessors, (432), 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) [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 430 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 424 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:27:02,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-11-16 03:27:02,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:27:02,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 402 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 433 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 426 states. [2022-11-16 03:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-11-16 03:27:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2022-11-16 03:27:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 03:27:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-16 03:27:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:27:20,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-11-16 03:27:20,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 03:27:20,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 03:27:20,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 03:27:20,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-16 03:27:20,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-16 03:27:20,412 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 03:27:20,414 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:27:20,414 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:27:20,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:27:20 BasicIcfg [2022-11-16 03:27:20,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:27:20,416 INFO L158 Benchmark]: Toolchain (without parser) took 354260.93ms. Allocated memory was 168.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 113.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 555.7MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,416 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:27:20,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.22ms. Allocated memory was 168.8MB in the beginning and 203.4MB in the end (delta: 34.6MB). Free memory was 147.2MB in the beginning and 175.7MB in the end (delta: -28.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.30ms. Allocated memory is still 203.4MB. Free memory was 175.7MB in the beginning and 173.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,417 INFO L158 Benchmark]: Boogie Preprocessor took 19.11ms. Allocated memory is still 203.4MB. Free memory was 173.5MB in the beginning and 171.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,417 INFO L158 Benchmark]: RCFGBuilder took 442.85ms. Allocated memory is still 203.4MB. Free memory was 171.5MB in the beginning and 150.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,417 INFO L158 Benchmark]: TraceAbstraction took 353483.32ms. Allocated memory was 203.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 149.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 558.0MB. Max. memory is 8.0GB. [2022-11-16 03:27:20,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 279.22ms. Allocated memory was 168.8MB in the beginning and 203.4MB in the end (delta: 34.6MB). Free memory was 147.2MB in the beginning and 175.7MB in the end (delta: -28.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.30ms. Allocated memory is still 203.4MB. Free memory was 175.7MB in the beginning and 173.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.11ms. Allocated memory is still 203.4MB. Free memory was 173.5MB in the beginning and 171.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 442.85ms. Allocated memory is still 203.4MB. Free memory was 171.5MB in the beginning and 150.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 353483.32ms. Allocated memory was 203.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 149.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 558.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 362218, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 35121, dependent conditional: 35112, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 327108, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 327108, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13122, independent: 13103, independent conditional: 2, independent unconditional: 13101, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13122, independent: 13101, independent conditional: 0, independent unconditional: 13101, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 127, dependent conditional: 18, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 327148, independent: 313994, independent conditional: 1, independent unconditional: 313993, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 13122, unknown conditional: 12, unknown unconditional: 13110] , Statistics on independence cache: Total cache size (in pairs): 13122, Positive cache size: 13103, Positive conditional cache size: 2, Positive unconditional cache size: 13101, Negative cache size: 19, Negative conditional cache size: 10, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 19, Independence queries for same thread: 35110 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 10531, Number of trivial persistent sets: 10316, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16065, independent: 16056, independent conditional: 0, independent unconditional: 16056, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 362218, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 35121, dependent conditional: 35112, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 327108, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 327108, independent: 327097, independent conditional: 311041, independent unconditional: 16056, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 37, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 327148, independent: 327097, independent conditional: 3, independent unconditional: 327094, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13122, independent: 13103, independent conditional: 2, independent unconditional: 13101, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13122, independent: 13101, independent conditional: 0, independent unconditional: 13101, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 19, dependent conditional: 10, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 127, dependent conditional: 18, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 327148, independent: 313994, independent conditional: 1, independent unconditional: 313993, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 13122, unknown conditional: 12, unknown unconditional: 13110] , Statistics on independence cache: Total cache size (in pairs): 13122, Positive cache size: 13103, Positive conditional cache size: 2, Positive unconditional cache size: 13101, Negative cache size: 19, Negative conditional cache size: 10, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 19, Independence queries for same thread: 35110 - PositiveResult [Line: 113]: 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 5 procedures, 385 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 353.3s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 291.5s, 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: 2694, 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: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 55.1s InterpolantComputationTime, 9076 NumberOfCodeBlocks, 9036 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 12445 ConstructedInterpolants, 1 QuantifiedInterpolants, 91411 SizeOfPredicates, 378 NumberOfNonLiveVariables, 6794 ConjunctsInSsa, 674 ConjunctsInUnsatCore, 53 InterpolantComputations, 11 PerfectInterpolantSequences, 2103/3311 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! [2022-11-16 03:27:20,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 03:27:20,643 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...