/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/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 04:27:04,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 04:27:04,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 04:27:04,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 04:27:04,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 04:27:04,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 04:27:04,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 04:27:04,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 04:27:04,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 04:27:04,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 04:27:04,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 04:27:04,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 04:27:04,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 04:27:04,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 04:27:04,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 04:27:04,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 04:27:04,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 04:27:04,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 04:27:04,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 04:27:04,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 04:27:04,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 04:27:04,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 04:27:04,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 04:27:04,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 04:27:04,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 04:27:04,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 04:27:04,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 04:27:04,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 04:27:04,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 04:27:04,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 04:27:04,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 04:27:04,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 04:27:04,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 04:27:04,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 04:27:04,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 04:27:04,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 04:27:04,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 04:27:04,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 04:27:04,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 04:27:04,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 04:27:04,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 04:27:04,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 04:27:04,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 04:27:04,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 04:27:04,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 04:27:04,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 04:27:04,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 04:27:04,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 04:27:04,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 04:27:04,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 04:27:04,097 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 04:27:04,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 04:27:04,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 04:27:04,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:27:04,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 04:27:04,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 04:27:04,100 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 04:27:04,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 04:27:04,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 04:27:04,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 04:27:04,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 04:27:04,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 04:27:04,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 04:27:04,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2022-11-16 04:27:04,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553049250/c01fcb5cb5f449f29e8d4ed2d847a471/FLAGf114be84e [2022-11-16 04:27:04,751 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 04:27:04,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2022-11-16 04:27:04,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553049250/c01fcb5cb5f449f29e8d4ed2d847a471/FLAGf114be84e [2022-11-16 04:27:04,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553049250/c01fcb5cb5f449f29e8d4ed2d847a471 [2022-11-16 04:27:04,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 04:27:04,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 04:27:04,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 04:27:04,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 04:27:04,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 04:27:04,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:27:04" (1/1) ... [2022-11-16 04:27:04,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c422009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:04, skipping insertion in model container [2022-11-16 04:27:04,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:27:04" (1/1) ... [2022-11-16 04:27:04,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 04:27:04,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 04:27:05,018 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/unroll-2.wvr.c[2428,2441] [2022-11-16 04:27:05,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:27:05,034 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 04:27:05,061 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/unroll-2.wvr.c[2428,2441] [2022-11-16 04:27:05,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:27:05,073 INFO L208 MainTranslator]: Completed translation [2022-11-16 04:27:05,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05 WrapperNode [2022-11-16 04:27:05,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 04:27:05,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 04:27:05,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 04:27:05,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 04:27:05,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,114 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 134 [2022-11-16 04:27:05,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 04:27:05,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 04:27:05,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 04:27:05,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 04:27:05,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 04:27:05,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 04:27:05,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 04:27:05,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 04:27:05,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (1/1) ... [2022-11-16 04:27:05,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:27:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:05,175 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 04:27:05,181 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 04:27:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 04:27:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 04:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 04:27:05,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 04:27:05,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 04:27:05,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 04:27:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 04:27:05,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 04:27:05,203 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 04:27:05,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 04:27:05,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 04:27:05,533 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 04:27:05,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 04:27:05,539 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 04:27:05,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:27:05 BoogieIcfgContainer [2022-11-16 04:27:05,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 04:27:05,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 04:27:05,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 04:27:05,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 04:27:05,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:27:04" (1/3) ... [2022-11-16 04:27:05,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:27:05, skipping insertion in model container [2022-11-16 04:27:05,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:27:05" (2/3) ... [2022-11-16 04:27:05,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd116b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:27:05, skipping insertion in model container [2022-11-16 04:27:05,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:27:05" (3/3) ... [2022-11-16 04:27:05,549 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2022-11-16 04:27:05,556 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 04:27:05,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 04:27:05,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 04:27:05,562 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 04:27:05,646 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 04:27:05,680 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:27:05,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 04:27:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:05,683 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 04:27:05,684 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 04:27:05,715 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 04:27:05,725 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 04:27:05,732 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;@584aa72c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:27:05,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 04:27:05,918 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 04:27:05,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:05,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1481038021, now seen corresponding path program 1 times [2022-11-16 04:27:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:05,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918067273] [2022-11-16 04:27:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:06,114 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 04:27:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:06,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918067273] [2022-11-16 04:27:06,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918067273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:06,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:06,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 04:27:06,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487384766] [2022-11-16 04:27:06,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:06,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 04:27:06,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:06,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 04:27:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 04:27:06,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:06,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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 04:27:06,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 04:27:06,169 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 04:27:06,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2143290690, now seen corresponding path program 1 times [2022-11-16 04:27:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:06,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155004876] [2022-11-16 04:27:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:06,533 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 04:27:06,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:06,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155004876] [2022-11-16 04:27:06,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155004876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:06,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:06,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 04:27:06,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001155202] [2022-11-16 04:27:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:06,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 04:27:06,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:06,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 04:27:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 04:27:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:06,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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 04:27:06,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:06,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 04:27:06,674 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 04:27:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash -188182164, now seen corresponding path program 1 times [2022-11-16 04:27:06,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:06,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640925009] [2022-11-16 04:27:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:06,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:27:06,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:06,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640925009] [2022-11-16 04:27:06,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640925009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:06,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:06,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 04:27:06,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362198457] [2022-11-16 04:27:06,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:06,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 04:27:06,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:06,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 04:27:06,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 04:27:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:06,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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 04:27:06,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:06,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:06,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 04:27:07,059 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 04:27:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1189986772, now seen corresponding path program 1 times [2022-11-16 04:27:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:07,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109227361] [2022-11-16 04:27:07,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:27:07,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:07,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109227361] [2022-11-16 04:27:07,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109227361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:07,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:07,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 04:27:07,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981954288] [2022-11-16 04:27:07,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:07,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 04:27:07,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:07,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 04:27:07,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 04:27:07,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:07,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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 04:27:07,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:07,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 04:27:07,299 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 04:27:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1819480359, now seen corresponding path program 1 times [2022-11-16 04:27:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:07,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391547306] [2022-11-16 04:27:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:27:07,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:07,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391547306] [2022-11-16 04:27:07,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391547306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:07,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:07,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 04:27:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980391288] [2022-11-16 04:27:07,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:07,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 04:27:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 04:27:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 04:27:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:07,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 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 04:27:07,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:07,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:07,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:07,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:07,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 04:27:07,626 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 04:27:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:07,626 INFO L85 PathProgramCache]: Analyzing trace with hash -551035577, now seen corresponding path program 1 times [2022-11-16 04:27:07,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:07,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549705397] [2022-11-16 04:27:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:27:07,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549705397] [2022-11-16 04:27:07,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549705397] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:07,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690835346] [2022-11-16 04:27:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:07,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:07,863 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 04:27:07,905 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 04:27:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:07,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-16 04:27:07,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:27:08,503 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 04:27:08,504 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 10 [2022-11-16 04:27:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:08,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:27:08,865 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 04:27:08,865 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 04:27:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:09,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690835346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:27:09,457 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:27:09,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 33 [2022-11-16 04:27:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244325948] [2022-11-16 04:27:09,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:27:09,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-16 04:27:09,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:09,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-16 04:27:09,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2022-11-16 04:27:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:09,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:09,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.818181818181818) internal successors, (357), 33 states have internal predecessors, (357), 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 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:09,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-16 04:27:10,635 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 04:27:10,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 04:27:10,827 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 04:27:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash -296026402, now seen corresponding path program 2 times [2022-11-16 04:27:10,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:10,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079991533] [2022-11-16 04:27:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:10,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:12,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:12,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079991533] [2022-11-16 04:27:12,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079991533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:12,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677327623] [2022-11-16 04:27:12,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 04:27:12,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:12,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:12,873 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 04:27:12,884 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 04:27:12,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 04:27:12,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:27:12,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-16 04:27:13,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:27:13,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 04:27:13,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 04:27:13,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 04:27:14,599 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-16 04:27:14,600 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 23 [2022-11-16 04:27:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:14,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:27:16,281 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:27:16,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 106 [2022-11-16 04:27:16,337 INFO L321 Elim1Store]: treesize reduction 5, result has 92.8 percent of original size [2022-11-16 04:27:16,338 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 592 treesize of output 575 [2022-11-16 04:27:16,400 INFO L321 Elim1Store]: treesize reduction 12, result has 85.9 percent of original size [2022-11-16 04:27:16,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 604 treesize of output 484 [2022-11-16 04:27:16,453 INFO L321 Elim1Store]: treesize reduction 12, result has 85.9 percent of original size [2022-11-16 04:27:16,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 388 treesize of output 376 [2022-11-16 04:27:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:17,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677327623] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:27:17,327 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:27:17,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31, 28] total 77 [2022-11-16 04:27:17,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636532829] [2022-11-16 04:27:17,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:27:17,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-11-16 04:27:17,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:17,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-11-16 04:27:17,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=735, Invalid=5092, Unknown=25, NotChecked=0, Total=5852 [2022-11-16 04:27:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:17,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:17,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.883116883116883) internal successors, (376), 77 states have internal predecessors, (376), 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 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-16 04:27:17,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-11-16 04:27:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-11-16 04:27:26,993 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 04:27:27,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:27,188 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 04:27:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:27,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1529553019, now seen corresponding path program 2 times [2022-11-16 04:27:27,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:27,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262284584] [2022-11-16 04:27:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:27,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:27,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262284584] [2022-11-16 04:27:27,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262284584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:27:27,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:27:27,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 04:27:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383378553] [2022-11-16 04:27:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:27:27,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 04:27:27,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:27,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 04:27:27,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 04:27:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:27,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-11-16 04:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-11-16 04:27:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-11-16 04:27:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:27,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 04:27:27,631 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 04:27:27,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:27,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1785241896, now seen corresponding path program 3 times [2022-11-16 04:27:27,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:27,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714575506] [2022-11-16 04:27:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:27:28,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:28,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714575506] [2022-11-16 04:27:28,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714575506] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:28,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263953061] [2022-11-16 04:27:28,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 04:27:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:28,883 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 04:27:28,898 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 04:27:28,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-16 04:27:28,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:27:28,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 04:27:28,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:27:29,017 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 04:27:29,172 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:27:29,172 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 04:27:29,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 04:27:29,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 04:27:29,740 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 18 treesize of output 20 [2022-11-16 04:27:30,320 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-11-16 04:27:30,321 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 23 treesize of output 10 [2022-11-16 04:27:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 04:27:30,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:27:30,788 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_149 (Array Int Int)) (~x2~0 Int)) (or (= (select (select |c_#memory_int| c_~f~0.base) (+ (* c_~x1~0 4) c_~f~0.offset)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_149) c_~f~0.base) (+ c_~f~0.offset (* ~x2~0 4)))) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2022-11-16 04:27:30,961 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int)) (or (< ~x1~0 0) (forall ((v_ArrVal_149 (Array Int Int)) (~x2~0 Int)) (or (< ~x2~0 0) (= (select (select |c_#memory_int| c_~f~0.base) (+ (* ~x1~0 4) c_~f~0.offset)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_149) c_~f~0.base) (+ c_~f~0.offset (* ~x2~0 4)))) (<= c_~size~0 ~x2~0))) (<= c_~size~0 ~x1~0))) is different from false [2022-11-16 04:27:31,413 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_149 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_148 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_148))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_149) |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* ~x2~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) (select (select .cse0 |c_ULTIMATE.start_main_#t~ret9#1.base|) (+ (* ~x1~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)))))) is different from false [2022-11-16 04:27:31,539 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_149 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_148 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_148))) (= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_149) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2022-11-16 04:27:31,797 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:27:31,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 41 [2022-11-16 04:27:31,805 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:27:31,805 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 414 treesize of output 330 [2022-11-16 04:27:31,814 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:27:31,814 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 318 treesize of output 258 [2022-11-16 04:27:31,820 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 246 treesize of output 198 [2022-11-16 04:27:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 12 not checked. [2022-11-16 04:27:32,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263953061] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:27:32,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:27:32,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 76 [2022-11-16 04:27:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861508937] [2022-11-16 04:27:32,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:27:32,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-11-16 04:27:32,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-11-16 04:27:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=4769, Unknown=48, NotChecked=572, Total=5700 [2022-11-16 04:27:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:32,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:32,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.065789473684211) internal successors, (385), 76 states have internal predecessors, (385), 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 04:27:32,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:32,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:32,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:27:41,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-16 04:27:41,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:41,542 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 04:27:41,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:41,542 INFO L85 PathProgramCache]: Analyzing trace with hash -578253871, now seen corresponding path program 4 times [2022-11-16 04:27:41,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:41,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462567887] [2022-11-16 04:27:41,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:42,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:42,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462567887] [2022-11-16 04:27:42,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462567887] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:42,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506121983] [2022-11-16 04:27:42,018 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 04:27:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:42,027 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 04:27:42,055 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 04:27:42,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 04:27:42,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:27:42,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 04:27:42,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:27:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:42,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:27:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:42,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506121983] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:27:42,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:27:42,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 32 [2022-11-16 04:27:42,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939581670] [2022-11-16 04:27:42,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:27:42,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-16 04:27:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:42,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-16 04:27:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2022-11-16 04:27:42,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:42,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:42,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.5625) internal successors, (274), 32 states have internal predecessors, (274), 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 04:27:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:42,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:42,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:27:42,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-16 04:27:42,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:42,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:27:42,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:27:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-11-16 04:27:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:27:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:27:47,375 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 04:27:47,575 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,SelfDestructingSolverStorable9 [2022-11-16 04:27:47,575 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 04:27:47,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:47,588 INFO L85 PathProgramCache]: Analyzing trace with hash 98581364, now seen corresponding path program 5 times [2022-11-16 04:27:47,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:47,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118664847] [2022-11-16 04:27:47,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:48,073 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118664847] [2022-11-16 04:27:48,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118664847] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109540142] [2022-11-16 04:27:48,074 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 04:27:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:48,084 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 04:27:48,087 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 04:27:48,233 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-11-16 04:27:48,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:27:48,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 04:27:48,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:27:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:48,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:27:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:49,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109540142] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:27:49,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:27:49,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 31 [2022-11-16 04:27:49,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366602400] [2022-11-16 04:27:49,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:27:49,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-16 04:27:49,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:27:49,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-16 04:27:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2022-11-16 04:27:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:49,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:27:49,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.32258064516129) internal successors, (320), 31 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:27:49,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:27:58,218 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 04:27:58,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:58,416 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 04:27:58,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:27:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1767386671, now seen corresponding path program 6 times [2022-11-16 04:27:58,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:27:58,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286460290] [2022-11-16 04:27:58,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:27:58,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:27:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:27:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:27:59,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:27:59,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286460290] [2022-11-16 04:27:59,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286460290] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:27:59,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081584475] [2022-11-16 04:27:59,633 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 04:27:59,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:27:59,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:27:59,635 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 04:27:59,637 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 04:27:59,901 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-16 04:27:59,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:27:59,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 04:27:59,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:28:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:28:00,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:28:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:28:00,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081584475] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:28:00,777 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:28:00,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 10] total 35 [2022-11-16 04:28:00,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9533897] [2022-11-16 04:28:00,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:28:00,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-16 04:28:00,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:28:00,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-16 04:28:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 04:28:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:00,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:28:00,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 11.142857142857142) internal successors, (390), 35 states have internal predecessors, (390), 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 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:28:00,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:28:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:28:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:28:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:28:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:28:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-16 04:28:11,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-16 04:28:11,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:28:11,690 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 04:28:11,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:28:11,691 INFO L85 PathProgramCache]: Analyzing trace with hash -294796756, now seen corresponding path program 7 times [2022-11-16 04:28:11,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:28:11,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081103216] [2022-11-16 04:28:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:28:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:28:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:28:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:28:18,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:28:18,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081103216] [2022-11-16 04:28:18,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081103216] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:28:18,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123345227] [2022-11-16 04:28:18,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 04:28:18,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:28:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:28:18,487 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 04:28:18,488 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 04:28:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:28:18,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-16 04:28:18,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:28:20,350 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:28:20,350 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 70 [2022-11-16 04:28:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 04:28:20,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:28:21,830 INFO L321 Elim1Store]: treesize reduction 20, result has 92.8 percent of original size [2022-11-16 04:28:21,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 308 [2022-11-16 04:28:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 13 proven. 95 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 04:28:22,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123345227] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:28:22,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:28:22,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 29, 21] total 88 [2022-11-16 04:28:22,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826593291] [2022-11-16 04:28:22,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:28:22,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-11-16 04:28:22,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:28:22,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-11-16 04:28:22,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=7227, Unknown=0, NotChecked=0, Total=7656 [2022-11-16 04:28:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:22,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:28:22,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.363636363636363) internal successors, (560), 88 states have internal predecessors, (560), 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 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-16 04:28:22,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:28:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:28:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:28:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:28:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:28:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-11-16 04:28:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-16 04:28:39,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-16 04:28:39,746 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,SelfDestructingSolverStorable12 [2022-11-16 04:28:39,747 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 04:28:39,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:28:39,747 INFO L85 PathProgramCache]: Analyzing trace with hash 816800332, now seen corresponding path program 8 times [2022-11-16 04:28:39,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:28:39,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261964532] [2022-11-16 04:28:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:28:39,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:28:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:28:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 106 proven. 109 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 04:28:40,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:28:40,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261964532] [2022-11-16 04:28:40,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261964532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:28:40,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995510331] [2022-11-16 04:28:40,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 04:28:40,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:28:40,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:28:40,257 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 04:28:40,292 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 04:28:40,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 04:28:40,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:28:40,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-16 04:28:40,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:28:43,199 INFO L321 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2022-11-16 04:28:43,200 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 48 [2022-11-16 04:28:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 16 proven. 205 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-16 04:28:43,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:28:52,937 INFO L321 Elim1Store]: treesize reduction 20, result has 95.3 percent of original size [2022-11-16 04:28:52,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 468 treesize of output 524 [2022-11-16 04:28:56,714 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:28:58,154 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:28:59,153 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:29:00,406 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:29:01,443 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:29:02,819 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:29:10,197 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:29:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 18 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:29:47,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995510331] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:29:47,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:29:47,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 47, 57] total 115 [2022-11-16 04:29:47,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767493242] [2022-11-16 04:29:47,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:29:47,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-11-16 04:29:47,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:29:47,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-11-16 04:29:47,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=877, Invalid=12233, Unknown=0, NotChecked=0, Total=13110 [2022-11-16 04:29:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:29:47,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:29:47,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.6695652173913045) internal successors, (652), 115 states have internal predecessors, (652), 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 04:29:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:29:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:29:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:29:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:29:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-11-16 04:29:47,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:31:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:31:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:31:46,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 04:31:46,334 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,SelfDestructingSolverStorable13 [2022-11-16 04:31:46,334 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 04:31:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:31:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2038767018, now seen corresponding path program 9 times [2022-11-16 04:31:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:31:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421958938] [2022-11-16 04:31:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:31:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:31:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:31:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:31:48,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:31:48,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421958938] [2022-11-16 04:31:48,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421958938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:31:48,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814985542] [2022-11-16 04:31:48,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 04:31:48,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:31:48,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:31:48,933 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 04:31:48,934 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 04:31:49,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 04:31:49,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:31:49,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 04:31:49,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:31:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:31:50,055 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 22 treesize of output 22 [2022-11-16 04:31:50,262 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:31:50,262 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 20 [2022-11-16 04:31:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 04:31:50,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:31:50,501 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_318 (Array Int Int))) (= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_318) c_~f~0.base))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ (* c_~x2~0 4) c_~f~0.offset)) 4)))) (select (select |c_#memory_int| c_~f~0.base) (+ (* c_~x1~0 4) c_~f~0.offset)))) is different from false [2022-11-16 04:31:50,602 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:31:50,602 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 112 [2022-11-16 04:31:50,611 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:31:50,611 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 28 [2022-11-16 04:31:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 13 not checked. [2022-11-16 04:31:51,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814985542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:31:51,146 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:31:51,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 23, 20] total 69 [2022-11-16 04:31:51,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894697613] [2022-11-16 04:31:51,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:31:51,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-11-16 04:31:51,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:31:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-11-16 04:31:51,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=4244, Unknown=23, NotChecked=132, Total=4692 [2022-11-16 04:31:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:51,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:31:51,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 5.811594202898551) internal successors, (401), 69 states have internal predecessors, (401), 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 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:31:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:31:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:31:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:31:58,992 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 04:31:59,191 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,SelfDestructingSolverStorable14 [2022-11-16 04:31:59,192 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 04:31:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:31:59,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1606755436, now seen corresponding path program 10 times [2022-11-16 04:31:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:31:59,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505772847] [2022-11-16 04:31:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:31:59,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:31:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:31:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 4 proven. 79 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:31:59,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:31:59,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505772847] [2022-11-16 04:31:59,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505772847] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:31:59,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142520364] [2022-11-16 04:31:59,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 04:31:59,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:31:59,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:31:59,636 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 04:31:59,638 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 04:31:59,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 04:31:59,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:31:59,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 04:31:59,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:32:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 72 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:32:00,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:32:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 4 proven. 79 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:32:00,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142520364] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:32:00,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:32:00,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 32 [2022-11-16 04:32:00,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978752120] [2022-11-16 04:32:00,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:32:00,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-16 04:32:00,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:32:00,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-16 04:32:00,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2022-11-16 04:32:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:00,432 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:32:00,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.9375) internal successors, (318), 32 states have internal predecessors, (318), 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 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:32:00,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:32:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:32:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:32:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:32:00,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:32:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:32:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:32:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:32:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:32:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-16 04:32:03,159 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 04:32:03,359 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,SelfDestructingSolverStorable15 [2022-11-16 04:32:03,359 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 04:32:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:32:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash -806354156, now seen corresponding path program 11 times [2022-11-16 04:32:03,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:32:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753592095] [2022-11-16 04:32:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:32:03,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:32:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:32:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:32:11,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:32:11,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753592095] [2022-11-16 04:32:11,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753592095] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:32:11,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106542599] [2022-11-16 04:32:11,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 04:32:11,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:32:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:32:11,074 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 04:32:11,074 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 04:32:11,216 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-16 04:32:11,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:32:11,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-16 04:32:11,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:32:11,248 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 04:32:11,437 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:32:11,437 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 04:32:12,562 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 30 treesize of output 28 [2022-11-16 04:32:13,557 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:13,558 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 70 [2022-11-16 04:32:13,616 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 04:32:13,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:32:14,400 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_376 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376) c_~f~0.base))) (= (select .cse0 (+ c_~f~0.offset (* 4 |c_thread1Thread1of1ForFork0_#t~mem1#1|))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ (* (select .cse0 (+ (* c_~x2~0 4) c_~f~0.offset)) 4) c_~f~0.offset)) 4))) 4)))))) is different from false [2022-11-16 04:32:14,711 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_376 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376) c_~f~0.base))) (= (select .cse0 (+ c_~f~0.offset (* (let ((.cse1 (select |c_#memory_int| c_~f~0.base))) (select .cse1 (+ c_~f~0.offset (* (select .cse1 (+ (* c_~x1~0 4) c_~f~0.offset)) 4)))) 4))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ (* (select .cse0 (+ (* c_~x2~0 4) c_~f~0.offset)) 4) c_~f~0.offset)) 4))) 4)))))) is different from false [2022-11-16 04:32:15,019 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:15,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 134 treesize of output 370 [2022-11-16 04:32:15,085 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:15,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 140 [2022-11-16 04:32:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 9 trivial. 37 not checked. [2022-11-16 04:32:18,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106542599] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:32:18,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:32:18,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 31, 28] total 101 [2022-11-16 04:32:18,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293681293] [2022-11-16 04:32:18,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:32:18,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-11-16 04:32:18,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:32:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-11-16 04:32:18,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=9286, Unknown=33, NotChecked=390, Total=10100 [2022-11-16 04:32:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:18,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:32:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.485148514851486) internal successors, (554), 101 states have internal predecessors, (554), 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 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:32:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-16 04:32:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:32:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:32:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:32:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:32:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-16 04:32:28,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-16 04:32:28,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-16 04:32:28,959 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 04:32:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:32:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1054144694, now seen corresponding path program 12 times [2022-11-16 04:32:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:32:28,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452488617] [2022-11-16 04:32:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:32:28,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:32:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:32:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:32:34,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:32:34,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452488617] [2022-11-16 04:32:34,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452488617] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:32:34,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865261194] [2022-11-16 04:32:34,226 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-16 04:32:34,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:32:34,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:32:34,227 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 04:32:34,228 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 04:32:34,591 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-11-16 04:32:34,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:32:34,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-16 04:32:34,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:32:35,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 04:32:35,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 04:32:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:32:36,506 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 84 treesize of output 68 [2022-11-16 04:32:38,691 INFO L321 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2022-11-16 04:32:38,691 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 48 [2022-11-16 04:32:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:32:38,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:32:45,432 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:45,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 512 treesize of output 284 [2022-11-16 04:32:45,619 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:45,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 960 treesize of output 996 [2022-11-16 04:32:45,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:45,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 606 treesize of output 522 [2022-11-16 04:32:45,950 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:32:45,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 404 treesize of output 512 [2022-11-16 04:33:42,685 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:33:44,614 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:33:59,750 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:34:05,136 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-16 04:34:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:34:33,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865261194] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:34:33,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:34:33,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 48, 47] total 137 [2022-11-16 04:34:33,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993697376] [2022-11-16 04:34:33,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:34:33,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-11-16 04:34:33,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:34:33,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-11-16 04:34:33,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=832, Invalid=17704, Unknown=96, NotChecked=0, Total=18632 [2022-11-16 04:34:33,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:34:33,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:34:33,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.2700729927007295) internal successors, (585), 137 states have internal predecessors, (585), 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 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:34:33,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:34:33,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-11-16 04:34:33,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:34:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-16 04:34:51,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-16 04:34:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-16 04:34:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-16 04:34:51,820 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 04:34:52,015 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,SelfDestructingSolverStorable17 [2022-11-16 04:34:52,015 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 04:34:52,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:34:52,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1334179380, now seen corresponding path program 13 times [2022-11-16 04:34:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:34:52,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109243564] [2022-11-16 04:34:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:34:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:34:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:34:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 04:34:52,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:34:52,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109243564] [2022-11-16 04:34:52,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109243564] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:34:52,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878670549] [2022-11-16 04:34:52,543 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 04:34:52,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:34:52,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:34:52,544 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 04:34:52,546 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 04:34:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:34:52,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 104 conjunts are in the unsatisfiable core [2022-11-16 04:34:52,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:34:53,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 04:34:53,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 04:34:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:34:55,313 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 60 treesize of output 50 [2022-11-16 04:34:58,576 INFO L321 Elim1Store]: treesize reduction 100, result has 17.4 percent of original size [2022-11-16 04:34:58,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 103 treesize of output 64 [2022-11-16 04:34:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:34:58,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:35:09,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:35:09,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 809 treesize of output 437 [2022-11-16 04:35:10,640 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:35:10,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 19 new quantified variables, introduced 55 case distinctions, treesize of input 2398 treesize of output 2514 [2022-11-16 04:35:11,685 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:35:11,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 19 new quantified variables, introduced 55 case distinctions, treesize of input 1626 treesize of output 1446 [2022-11-16 04:35:12,065 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 04:35:12,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 1050 treesize of output 762 Received shutdown request... [2022-11-16 04:41:04,278 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-11-16 04:41:04,281 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 04:41:04,286 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 04:41:04,286 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 04:41:04,286 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 04:41:04,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-11-16 04:41:04,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:41:04,487 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 239 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 14ms.. [2022-11-16 04:41:04,488 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 04:41:04,488 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 04:41:04,492 INFO L444 BasicCegarLoop]: Path program histogram: [13, 2, 1, 1, 1, 1] [2022-11-16 04:41:04,494 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 04:41:04,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 04:41:04,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:41:04 BasicIcfg [2022-11-16 04:41:04,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 04:41:04,496 INFO L158 Benchmark]: Toolchain (without parser) took 839718.52ms. Allocated memory was 219.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 157.0MB in the beginning and 993.2MB in the end (delta: -836.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-11-16 04:41:04,496 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 04:41:04,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.54ms. Allocated memory was 219.2MB in the beginning and 272.6MB in the end (delta: 53.5MB). Free memory was 191.4MB in the beginning and 240.5MB in the end (delta: -49.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-11-16 04:41:04,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 272.6MB. Free memory was 240.5MB in the beginning and 238.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 04:41:04,499 INFO L158 Benchmark]: Boogie Preprocessor took 25.40ms. Allocated memory is still 272.6MB. Free memory was 238.4MB in the beginning and 236.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 04:41:04,500 INFO L158 Benchmark]: RCFGBuilder took 400.94ms. Allocated memory is still 272.6MB. Free memory was 236.9MB in the beginning and 220.6MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-11-16 04:41:04,500 INFO L158 Benchmark]: TraceAbstraction took 838951.46ms. Allocated memory was 272.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 219.6MB in the beginning and 993.2MB in the end (delta: -773.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-16 04:41:04,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.54ms. Allocated memory was 219.2MB in the beginning and 272.6MB in the end (delta: 53.5MB). Free memory was 191.4MB in the beginning and 240.5MB in the end (delta: -49.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.63ms. Allocated memory is still 272.6MB. Free memory was 240.5MB in the beginning and 238.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.40ms. Allocated memory is still 272.6MB. Free memory was 238.4MB in the beginning and 236.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 400.94ms. Allocated memory is still 272.6MB. Free memory was 236.9MB in the beginning and 220.6MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 838951.46ms. Allocated memory was 272.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 219.6MB in the beginning and 993.2MB in the end (delta: -773.6MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 717510, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 90104, dependent conditional: 90095, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627422, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 627422, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 189, dependent unconditional: 85, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 27, dependent unconditional: 247, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 27, dependent unconditional: 247, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2671, independent: 2646, independent conditional: 18, independent unconditional: 2628, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2671, independent: 2627, independent conditional: 0, independent unconditional: 2627, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 94, independent conditional: 53, independent unconditional: 41, dependent: 70, dependent conditional: 34, dependent unconditional: 37, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 627681, independent: 624760, independent conditional: 51, independent unconditional: 624709, dependent: 250, dependent conditional: 12, dependent unconditional: 238, unknown: 2671, unknown conditional: 34, unknown unconditional: 2637] , Statistics on independence cache: Total cache size (in pairs): 2670, Positive cache size: 2646, Positive conditional cache size: 18, Positive unconditional cache size: 2628, Negative cache size: 24, Negative conditional cache size: 15, Negative unconditional cache size: 9, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 162, Maximal queried relation: 9, Independence queries for same thread: 90088 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 2030, Number of trivial persistent sets: 1894, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4052, independent: 4043, independent conditional: 0, independent unconditional: 4043, 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: 717510, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 90104, dependent conditional: 90095, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627422, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 627422, independent: 627406, independent conditional: 623363, independent unconditional: 4043, dependent: 16, dependent conditional: 7, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 189, dependent unconditional: 85, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 27, dependent unconditional: 247, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 627681, independent: 627406, independent conditional: 69, independent unconditional: 627337, dependent: 274, dependent conditional: 27, dependent unconditional: 247, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2671, independent: 2646, independent conditional: 18, independent unconditional: 2628, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2671, independent: 2627, independent conditional: 0, independent unconditional: 2627, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 19, independent conditional: 18, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 94, independent conditional: 53, independent unconditional: 41, dependent: 70, dependent conditional: 34, dependent unconditional: 37, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 627681, independent: 624760, independent conditional: 51, independent unconditional: 624709, dependent: 250, dependent conditional: 12, dependent unconditional: 238, unknown: 2671, unknown conditional: 34, unknown unconditional: 2637] , Statistics on independence cache: Total cache size (in pairs): 2670, Positive cache size: 2646, Positive conditional cache size: 18, Positive unconditional cache size: 2628, Negative cache size: 24, Negative conditional cache size: 15, Negative unconditional cache size: 9, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 162, Maximal queried relation: 9, Independence queries for same thread: 90088 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 239 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 14ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 239 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 14ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 239 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 209 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 838.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 219.8s, 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: 1559, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 240.9s InterpolantComputationTime, 5146 NumberOfCodeBlocks, 5133 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 7334 ConstructedInterpolants, 308 QuantifiedInterpolants, 155047 SizeOfPredicates, 341 NumberOfNonLiveVariables, 4191 ConjunctsInSsa, 603 ConjunctsInUnsatCore, 42 InterpolantComputations, 6 PerfectInterpolantSequences, 501/2826 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown