/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 03:08:50,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 03:08:51,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 03:08:51,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 03:08:51,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 03:08:51,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 03:08:51,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 03:08:51,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 03:08:51,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 03:08:51,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 03:08:51,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 03:08:51,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 03:08:51,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 03:08:51,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 03:08:51,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 03:08:51,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 03:08:51,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 03:08:51,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 03:08:51,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 03:08:51,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 03:08:51,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 03:08:51,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 03:08:51,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 03:08:51,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 03:08:51,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 03:08:51,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 03:08:51,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 03:08:51,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 03:08:51,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 03:08:51,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 03:08:51,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 03:08:51,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 03:08:51,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 03:08:51,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 03:08:51,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 03:08:51,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 03:08:51,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 03:08:51,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 03:08:51,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 03:08:51,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 03:08:51,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 03:08:51,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 03:08:51,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 03:08:51,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 03:08:51,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 03:08:51,136 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 03:08:51,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 03:08:51,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 03:08:51,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 03:08:51,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 03:08:51,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 03:08:51,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 03:08:51,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 03:08:51,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 03:08:51,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 03:08:51,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 03:08:51,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 03:08:51,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 03:08:51,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 03:08:51,374 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 03:08:51,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-03-16 03:08:51,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee350fcb2/b0385bb00b8347bf809f6c346124c45d/FLAG04e44a43d [2022-03-16 03:08:51,806 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 03:08:51,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-03-16 03:08:51,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee350fcb2/b0385bb00b8347bf809f6c346124c45d/FLAG04e44a43d [2022-03-16 03:08:52,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee350fcb2/b0385bb00b8347bf809f6c346124c45d [2022-03-16 03:08:52,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 03:08:52,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 03:08:52,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 03:08:52,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 03:08:52,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 03:08:52,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dc8eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52, skipping insertion in model container [2022-03-16 03:08:52,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 03:08:52,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 03:08:52,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-03-16 03:08:52,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 03:08:52,433 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 03:08:52,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-03-16 03:08:52,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 03:08:52,466 INFO L208 MainTranslator]: Completed translation [2022-03-16 03:08:52,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52 WrapperNode [2022-03-16 03:08:52,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 03:08:52,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 03:08:52,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 03:08:52,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 03:08:52,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,494 INFO L137 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 128 [2022-03-16 03:08:52,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 03:08:52,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 03:08:52,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 03:08:52,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 03:08:52,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 03:08:52,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 03:08:52,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 03:08:52,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 03:08:52,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (1/1) ... [2022-03-16 03:08:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 03:08:52,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:08:52,564 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) [2022-03-16 03:08:52,571 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 [2022-03-16 03:08:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 03:08:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 03:08:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 03:08:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 03:08:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 03:08:52,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 03:08:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 03:08:52,597 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 03:08:52,722 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 03:08:52,724 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 03:08:53,151 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 03:08:53,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 03:08:53,161 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-16 03:08:53,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 03:08:53 BoogieIcfgContainer [2022-03-16 03:08:53,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 03:08:53,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 03:08:53,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 03:08:53,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 03:08:53,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 03:08:52" (1/3) ... [2022-03-16 03:08:53,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ed96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:08:53, skipping insertion in model container [2022-03-16 03:08:53,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 03:08:52" (2/3) ... [2022-03-16 03:08:53,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ed96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 03:08:53, skipping insertion in model container [2022-03-16 03:08:53,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 03:08:53" (3/3) ... [2022-03-16 03:08:53,176 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2022-03-16 03:08:53,181 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 03:08:53,181 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 03:08:53,181 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 03:08:53,181 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 03:08:53,234 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,235 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,235 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,236 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,236 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,236 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,237 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,237 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,258 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,258 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,258 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,259 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,259 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,259 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,263 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,266 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,270 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,270 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,272 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,272 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,273 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,277 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,282 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,282 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,282 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,282 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,283 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,283 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,283 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,283 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,290 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,291 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,297 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,305 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 03:08:53,308 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 03:08:53,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 03:08:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:08:53,366 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) [2022-03-16 03:08:53,368 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 [2022-03-16 03:08:53,392 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 03:08:53,397 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 03:08:53,398 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 03:08:56,104 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 195 transitions and produced 196 states. [2022-03-16 03:08:56,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:08:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:08:56,112 INFO L85 PathProgramCache]: Analyzing trace with hash 202109232, now seen corresponding path program 1 times [2022-03-16 03:08:56,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:08:56,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592629408] [2022-03-16 03:08:56,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:08:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:08:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:08:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:08:56,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:08:56,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592629408] [2022-03-16 03:08:56,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592629408] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:08:56,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:08:56,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 03:08:56,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058099846] [2022-03-16 03:08:56,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:08:56,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 03:08:56,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:08:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 03:08:56,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 03:08:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:08:56,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:08:56,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:08:56,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:08:58,684 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 195 transitions and produced 196 states. [2022-03-16 03:08:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:08:58,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 03:08:58,687 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:08:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:08:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1991649193, now seen corresponding path program 1 times [2022-03-16 03:08:58,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:08:58,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849241884] [2022-03-16 03:08:58,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:08:58,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:08:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:08:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:08:59,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:08:59,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849241884] [2022-03-16 03:08:59,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849241884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:08:59,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:08:59,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-16 03:08:59,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001124729] [2022-03-16 03:08:59,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:08:59,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 03:08:59,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:08:59,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 03:08:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-16 03:08:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:08:59,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:08:59,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.05) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:08:59,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:08:59,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:07,286 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 374 transitions and produced 345 states. [2022-03-16 03:09:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 03:09:07,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 03:09:07,288 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:07,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1662810356, now seen corresponding path program 1 times [2022-03-16 03:09:07,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:07,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361580679] [2022-03-16 03:09:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:07,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:07,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:07,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361580679] [2022-03-16 03:09:07,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361580679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:07,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:07,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 03:09:07,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111508024] [2022-03-16 03:09:07,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:07,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 03:09:07,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:07,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 03:09:07,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-16 03:09:07,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:07,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:07,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2022-03-16 03:09:07,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:07,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 03:09:07,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:11,864 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 317 transitions and produced 285 states. [2022-03-16 03:09:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 03:09:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:11,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 03:09:11,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:11,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1877302681, now seen corresponding path program 1 times [2022-03-16 03:09:11,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:11,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71819025] [2022-03-16 03:09:11,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:11,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:11,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:11,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71819025] [2022-03-16 03:09:11,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71819025] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:11,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:11,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:09:11,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559937895] [2022-03-16 03:09:11,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:11,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:09:11,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:11,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:09:11,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:09:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:11,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:11,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:11,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 03:09:11,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:11,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:21,617 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 720 transitions and produced 551 states. [2022-03-16 03:09:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-16 03:09:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:21,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 03:09:21,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:21,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:21,620 INFO L85 PathProgramCache]: Analyzing trace with hash 187774452, now seen corresponding path program 1 times [2022-03-16 03:09:21,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:21,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339512923] [2022-03-16 03:09:21,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:21,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:21,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:21,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339512923] [2022-03-16 03:09:21,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339512923] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:21,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:21,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 03:09:21,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169125007] [2022-03-16 03:09:21,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:21,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 03:09:21,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:21,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 03:09:21,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-16 03:09:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:21,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:21,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2022-03-16 03:09:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-16 03:09:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:21,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:30,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 721 transitions and produced 517 states. [2022-03-16 03:09:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:30,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 03:09:30,112 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:30,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1815411609, now seen corresponding path program 1 times [2022-03-16 03:09:30,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:30,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83178655] [2022-03-16 03:09:30,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:30,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:30,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:30,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83178655] [2022-03-16 03:09:30,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83178655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:30,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:30,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:09:30,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125288725] [2022-03-16 03:09:30,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:30,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:09:30,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:30,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:09:30,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:09:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:30,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:30,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:30,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:30,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:30,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:30,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:30,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:30,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:32,038 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 187 transitions and produced 188 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:32,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 03:09:32,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:32,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1389396187, now seen corresponding path program 1 times [2022-03-16 03:09:32,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:32,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614134808] [2022-03-16 03:09:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:32,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:32,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614134808] [2022-03-16 03:09:32,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614134808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:32,081 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:32,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:09:32,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975073445] [2022-03-16 03:09:32,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:32,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:09:32,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:32,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:09:32,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:09:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:32,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:32,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:34,072 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 187 transitions and produced 188 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 03:09:34,074 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2093814011, now seen corresponding path program 1 times [2022-03-16 03:09:34,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:34,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128442874] [2022-03-16 03:09:34,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:34,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:34,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:34,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128442874] [2022-03-16 03:09:34,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128442874] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:34,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:34,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 03:09:34,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379382969] [2022-03-16 03:09:34,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:34,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 03:09:34,201 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:34,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 03:09:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-16 03:09:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:34,201 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:34,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:37,963 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 366 transitions and produced 297 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:37,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-16 03:09:37,965 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:37,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash -943001349, now seen corresponding path program 1 times [2022-03-16 03:09:37,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:37,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978343588] [2022-03-16 03:09:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:37,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:38,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:38,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978343588] [2022-03-16 03:09:38,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978343588] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:38,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:38,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 03:09:38,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378281085] [2022-03-16 03:09:38,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:38,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 03:09:38,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:38,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 03:09:38,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-03-16 03:09:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:38,078 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:38,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:38,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:38,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:38,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:40,874 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 234 transitions and produced 220 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:40,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:09:40,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-16 03:09:40,876 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash -238583525, now seen corresponding path program 1 times [2022-03-16 03:09:40,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:40,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271983420] [2022-03-16 03:09:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:40,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:40,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271983420] [2022-03-16 03:09:40,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271983420] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:09:40,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:09:40,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 03:09:40,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684488570] [2022-03-16 03:09:40,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:40,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 03:09:40,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:40,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 03:09:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-16 03:09:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:40,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:40,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:40,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:09:40,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:58,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3878 transitions and produced 1716 states. [2022-03-16 03:09:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:09:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:09:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:09:58,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-16 03:09:58,417 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:09:58,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:09:58,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1012324380, now seen corresponding path program 1 times [2022-03-16 03:09:58,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:09:58,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686452946] [2022-03-16 03:09:58,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:58,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:09:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:58,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:09:58,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686452946] [2022-03-16 03:09:58,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686452946] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:09:58,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469304715] [2022-03-16 03:09:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:09:58,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:09:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:09:58,597 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) [2022-03-16 03:09:58,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 03:09:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:09:58,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 03:09:58,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:09:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:59,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:09:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:09:59,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469304715] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-16 03:09:59,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-16 03:09:59,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15, 14] total 30 [2022-03-16 03:09:59,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196045804] [2022-03-16 03:09:59,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:09:59,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 03:09:59,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:09:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 03:09:59,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2022-03-16 03:09:59,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:59,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:09:59,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.571428571428571) internal successors, (148), 14 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:09:59,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:09:59,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:09:59,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:09:59,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:23,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4441 transitions and produced 2065 states. [2022-03-16 03:10:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:10:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:10:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:10:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:10:23,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-16 03:10:23,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 03:10:23,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-16 03:10:23,761 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:10:23,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:10:23,762 INFO L85 PathProgramCache]: Analyzing trace with hash 342123958, now seen corresponding path program 1 times [2022-03-16 03:10:23,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:10:23,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373586000] [2022-03-16 03:10:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:10:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:10:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:10:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 03:10:23,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:10:23,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373586000] [2022-03-16 03:10:23,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373586000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:10:23,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:10:23,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:10:23,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31742898] [2022-03-16 03:10:23,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:10:23,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:10:23,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:10:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:10:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:10:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:23,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:10:23,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-16 03:10:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:27,699 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 286 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:10:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:10:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:10:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-16 03:10:27,702 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:10:27,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:10:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2003674074, now seen corresponding path program 1 times [2022-03-16 03:10:27,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:10:27,702 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210934847] [2022-03-16 03:10:27,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:10:27,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:10:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:10:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 03:10:27,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:10:27,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210934847] [2022-03-16 03:10:27,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210934847] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:10:27,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:10:27,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:10:27,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148855075] [2022-03-16 03:10:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:10:27,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:10:27,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:10:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:10:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:10:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:27,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:10:27,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2022-03-16 03:10:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:10:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:10:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:10:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:09,892 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13566 transitions and produced 6042 states. [2022-03-16 03:11:09,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:09,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:09,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-16 03:11:09,895 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:11:09,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:11:09,896 INFO L85 PathProgramCache]: Analyzing trace with hash -837167095, now seen corresponding path program 1 times [2022-03-16 03:11:09,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:11:09,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851584875] [2022-03-16 03:11:09,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:09,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:11:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:10,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:11:10,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851584875] [2022-03-16 03:11:10,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851584875] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:11:10,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259701548] [2022-03-16 03:11:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:10,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:11:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:11:10,103 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) [2022-03-16 03:11:10,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 03:11:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:10,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 03:11:10,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:11:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:10,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:11:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:11,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259701548] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-16 03:11:11,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-16 03:11:11,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15, 14] total 30 [2022-03-16 03:11:11,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522233326] [2022-03-16 03:11:11,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:11:11,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 03:11:11,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:11:11,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 03:11:11,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2022-03-16 03:11:11,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:11,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:11:11,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.571428571428571) internal successors, (148), 14 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:11,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:11,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:17,540 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 334 transitions and produced 311 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-16 03:11:17,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 03:11:17,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:11:17,743 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:11:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:11:17,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1632040318, now seen corresponding path program 1 times [2022-03-16 03:11:17,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:11:17,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595484677] [2022-03-16 03:11:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:17,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:11:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 03:11:17,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:11:17,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595484677] [2022-03-16 03:11:17,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595484677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:11:17,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:11:17,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 03:11:17,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798679563] [2022-03-16 03:11:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:11:17,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 03:11:17,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:11:17,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 03:11:17,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-16 03:11:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:17,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:11:17,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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) [2022-03-16 03:11:17,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-16 03:11:17,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:25,890 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 570 transitions and produced 435 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:11:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:25,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-16 03:11:25,892 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:11:25,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:11:25,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1157906958, now seen corresponding path program 1 times [2022-03-16 03:11:25,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:11:25,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270525352] [2022-03-16 03:11:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:11:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 03:11:25,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:11:25,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270525352] [2022-03-16 03:11:25,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270525352] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:11:25,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:11:25,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 03:11:25,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22984786] [2022-03-16 03:11:25,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:11:25,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 03:11:25,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:11:25,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 03:11:25,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-16 03:11:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:25,959 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:11:25,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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) [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:25,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:46,189 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3542 transitions and produced 1662 states. [2022-03-16 03:11:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:11:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:46,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-16 03:11:46,191 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:11:46,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:11:46,192 INFO L85 PathProgramCache]: Analyzing trace with hash -834831374, now seen corresponding path program 1 times [2022-03-16 03:11:46,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:11:46,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705025248] [2022-03-16 03:11:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:11:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:46,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:11:46,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705025248] [2022-03-16 03:11:46,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705025248] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:11:46,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876473816] [2022-03-16 03:11:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:11:46,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:11:46,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:11:46,335 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) [2022-03-16 03:11:46,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 03:11:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:11:46,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 03:11:46,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:11:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:46,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:11:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:11:47,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876473816] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-16 03:11:47,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-16 03:11:47,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-03-16 03:11:47,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275581122] [2022-03-16 03:11:47,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:11:47,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 03:11:47,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:11:47,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 03:11:47,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2022-03-16 03:11:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:47,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:11:47,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:11:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:11:47,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:02,841 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20279 transitions and produced 8993 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:02,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 03:13:03,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-16 03:13:03,044 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:13:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:13:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2010696511, now seen corresponding path program 1 times [2022-03-16 03:13:03,044 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:13:03,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227526508] [2022-03-16 03:13:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:13:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:13:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:13:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:13:03,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:13:03,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227526508] [2022-03-16 03:13:03,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227526508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:13:03,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:13:03,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:13:03,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596758888] [2022-03-16 03:13:03,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:13:03,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:13:03,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:13:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:13:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:13:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:03,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:13:03,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2022-03-16 03:13:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:03,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:03,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:06,756 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 237 transitions and produced 238 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:06,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-16 03:13:06,759 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:13:06,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:13:06,759 INFO L85 PathProgramCache]: Analyzing trace with hash -105723591, now seen corresponding path program 1 times [2022-03-16 03:13:06,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:13:06,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133848350] [2022-03-16 03:13:06,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:13:06,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:13:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:13:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:13:06,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:13:06,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133848350] [2022-03-16 03:13:06,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133848350] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:13:06,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824139118] [2022-03-16 03:13:06,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:13:06,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:13:06,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:13:06,929 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) [2022-03-16 03:13:06,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 03:13:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:13:07,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 03:13:07,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:13:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:13:07,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:13:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:13:07,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824139118] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-16 03:13:07,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-16 03:13:07,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 11] total 23 [2022-03-16 03:13:07,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601884625] [2022-03-16 03:13:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:13:07,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 03:13:07,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:13:07,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 03:13:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-03-16 03:13:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:07,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:13:07,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 11 states have internal predecessors, (168), 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) [2022-03-16 03:13:07,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:07,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:07,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:07,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:30,788 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3611 transitions and produced 1731 states. [2022-03-16 03:13:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 03:13:30,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 03:13:30,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:13:30,997 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:13:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:13:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1613764042, now seen corresponding path program 1 times [2022-03-16 03:13:30,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:13:30,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557828969] [2022-03-16 03:13:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:13:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:13:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:13:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:13:31,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:13:31,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557828969] [2022-03-16 03:13:31,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557828969] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:13:31,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:13:31,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 03:13:31,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105301757] [2022-03-16 03:13:31,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:13:31,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 03:13:31,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:13:31,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 03:13:31,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 03:13:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:31,043 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:13:31,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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) [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 03:13:31,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:35,806 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 265 transitions and produced 266 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-16 03:13:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:35,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-16 03:13:35,809 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:13:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:13:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1921378786, now seen corresponding path program 1 times [2022-03-16 03:13:35,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:13:35,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100843357] [2022-03-16 03:13:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:13:35,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:13:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:13:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:13:36,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:13:36,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100843357] [2022-03-16 03:13:36,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100843357] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:13:36,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:13:36,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-16 03:13:36,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978937747] [2022-03-16 03:13:36,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:13:36,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-16 03:13:36,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:13:36,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-16 03:13:36,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-03-16 03:13:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:36,076 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:13:36,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 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) [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:13:36,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:13:36,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:48,732 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20305 transitions and produced 9019 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-16 03:14:48,735 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:14:48,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:14:48,736 INFO L85 PathProgramCache]: Analyzing trace with hash 763193858, now seen corresponding path program 1 times [2022-03-16 03:14:48,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:14:48,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514933771] [2022-03-16 03:14:48,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:14:48,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:14:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:14:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:14:48,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:14:48,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514933771] [2022-03-16 03:14:48,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514933771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:14:48,834 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:14:48,834 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 03:14:48,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252338945] [2022-03-16 03:14:48,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:14:48,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 03:14:48,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:14:48,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 03:14:48,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-03-16 03:14:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:48,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:14:48,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:48,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:55,796 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 376 transitions and produced 329 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:55,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-16 03:14:55,798 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:14:55,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:14:55,799 INFO L85 PathProgramCache]: Analyzing trace with hash 877425956, now seen corresponding path program 1 times [2022-03-16 03:14:55,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:14:55,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135316787] [2022-03-16 03:14:55,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:14:55,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:14:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:14:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:14:56,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:14:56,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135316787] [2022-03-16 03:14:56,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135316787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:14:56,138 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:14:56,138 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-16 03:14:56,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275573916] [2022-03-16 03:14:56,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:14:56,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 03:14:56,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:14:56,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 03:14:56,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-03-16 03:14:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:56,139 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:14:56,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 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) [2022-03-16 03:14:56,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:14:56,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:14:56,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:14:56,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:17,234 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20951 transitions and produced 9374 states. [2022-03-16 03:16:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:16:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:16:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-16 03:16:17,236 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:16:17,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:16:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1242186302, now seen corresponding path program 1 times [2022-03-16 03:16:17,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:16:17,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800901854] [2022-03-16 03:16:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:16:17,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:16:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:16:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:16:17,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:16:17,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800901854] [2022-03-16 03:16:17,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800901854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:16:17,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 03:16:17,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 03:16:17,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581651717] [2022-03-16 03:16:17,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:16:17,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 03:16:17,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:16:17,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 03:16:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-16 03:16:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:17,332 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:16:17,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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) [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:24,542 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 352 transitions and produced 323 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:16:24,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:16:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 03:16:24,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-16 03:16:24,548 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:16:24,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:16:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1894596066, now seen corresponding path program 1 times [2022-03-16 03:16:24,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:16:24,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778232928] [2022-03-16 03:16:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:16:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:16:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:16:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:16:25,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:16:25,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778232928] [2022-03-16 03:16:25,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778232928] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:16:25,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266382725] [2022-03-16 03:16:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:16:25,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:16:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:16:25,408 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) [2022-03-16 03:16:25,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 03:16:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:16:25,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 40 conjunts are in the unsatisfiable core [2022-03-16 03:16:25,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:16:26,326 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-16 03:16:26,326 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 16 [2022-03-16 03:16:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:16:26,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 03:16:26,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266382725] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 03:16:26,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 03:16:26,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [34] total 48 [2022-03-16 03:16:26,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242526441] [2022-03-16 03:16:26,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 03:16:26,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-16 03:16:26,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:16:26,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-16 03:16:26,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2072, Unknown=0, NotChecked=0, Total=2256 [2022-03-16 03:16:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:26,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:16:26,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.541666666666667) internal successors, (181), 24 states have internal predecessors, (181), 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) [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:26,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 03:16:26,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:18:05,250 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 21975 transitions and produced 9921 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:18:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:18:05,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 03:18:05,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:18:05,454 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:18:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:18:05,454 INFO L85 PathProgramCache]: Analyzing trace with hash -408867744, now seen corresponding path program 1 times [2022-03-16 03:18:05,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:18:05,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788808999] [2022-03-16 03:18:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:18:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:18:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:18:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:18:05,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:18:05,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788808999] [2022-03-16 03:18:05,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788808999] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:18:05,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52503170] [2022-03-16 03:18:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:18:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:18:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:18:05,765 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) [2022-03-16 03:18:05,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 03:18:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:18:05,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-16 03:18:05,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:18:05,905 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-16 03:18:06,015 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-03-16 03:18:06,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-03-16 03:18:06,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 03:18:06,364 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-03-16 03:18:06,364 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-03-16 03:18:06,452 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2022-03-16 03:18:06,516 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-16 03:18:06,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-16 03:18:06,833 INFO L353 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-03-16 03:18:06,834 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 23 [2022-03-16 03:18:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 03:18:06,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:18:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:18:07,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52503170] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 03:18:07,342 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 03:18:07,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 11] total 50 [2022-03-16 03:18:07,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37497671] [2022-03-16 03:18:07,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 03:18:07,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-16 03:18:07,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:18:07,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-16 03:18:07,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2254, Unknown=0, NotChecked=0, Total=2450 [2022-03-16 03:18:07,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:18:07,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:18:07,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.52) internal successors, (376), 50 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) [2022-03-16 03:18:07,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:18:07,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:18:07,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:18:07,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:19:47,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 21968 transitions and produced 9914 states. [2022-03-16 03:19:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:19:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:19:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:19:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:19:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:19:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:19:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:19:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:19:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:19:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-16 03:19:47,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 03:19:48,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:19:48,144 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:19:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:19:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1510431070, now seen corresponding path program 1 times [2022-03-16 03:19:48,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:19:48,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826785344] [2022-03-16 03:19:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:19:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:19:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:19:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 03:19:48,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:19:48,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826785344] [2022-03-16 03:19:48,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826785344] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:19:48,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116931720] [2022-03-16 03:19:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:19:48,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:19:48,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:19:48,489 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) [2022-03-16 03:19:48,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 03:19:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:19:48,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-16 03:19:48,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:19:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:19:49,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:19:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:19:50,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116931720] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 03:19:50,663 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 03:19:50,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 46 [2022-03-16 03:19:50,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274336390] [2022-03-16 03:19:50,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 03:19:50,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-16 03:19:50,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:19:50,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-16 03:19:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1784, Unknown=0, NotChecked=0, Total=2070 [2022-03-16 03:19:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:19:50,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:19:50,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 7.456521739130435) internal successors, (343), 46 states have internal predecessors, (343), 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) [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:19:50,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-16 03:19:50,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:20:39,189 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5360 transitions and produced 2697 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:20:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-16 03:20:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:20:39,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-16 03:20:39,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-16 03:20:39,392 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 03:20:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 03:20:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1969650825, now seen corresponding path program 1 times [2022-03-16 03:20:39,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 03:20:39,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752969419] [2022-03-16 03:20:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:20:39,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 03:20:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:20:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:20:39,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 03:20:39,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752969419] [2022-03-16 03:20:39,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752969419] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 03:20:39,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322562241] [2022-03-16 03:20:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 03:20:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 03:20:39,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 03:20:39,488 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) [2022-03-16 03:20:39,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 03:20:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 03:20:39,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 03:20:39,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 03:20:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:20:39,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 03:20:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 03:20:40,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322562241] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 03:20:40,242 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 03:20:40,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2022-03-16 03:20:40,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482015215] [2022-03-16 03:20:40,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 03:20:40,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-16 03:20:40,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 03:20:40,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-16 03:20:40,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2022-03-16 03:20:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:20:40,244 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 03:20:40,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.964285714285714) internal successors, (335), 28 states have internal predecessors, (335), 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) [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:20:40,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 03:20:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 03:22:06,768 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 [2022-03-16 03:22:06,768 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 [2022-03-16 03:22:06,768 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 03:22:06,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 03:22:06,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-03-16 03:22:06,975 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-16 03:22:06,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-16 03:22:06,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 03:22:06,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 03:22:06,982 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-16 03:22:06,984 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 03:22:06,984 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 03:22:06,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 03:22:06 BasicIcfg [2022-03-16 03:22:06,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 03:22:06,985 INFO L158 Benchmark]: Toolchain (without parser) took 794745.43ms. Allocated memory was 218.1MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 167.2MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. [2022-03-16 03:22:06,986 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 218.1MB. Free memory was 183.9MB in the beginning and 183.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 03:22:06,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.18ms. Allocated memory is still 218.1MB. Free memory was 167.1MB in the beginning and 192.2MB in the end (delta: -25.1MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-03-16 03:22:06,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.16ms. Allocated memory is still 218.1MB. Free memory was 191.8MB in the beginning and 190.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 03:22:06,986 INFO L158 Benchmark]: Boogie Preprocessor took 24.64ms. Allocated memory is still 218.1MB. Free memory was 190.3MB in the beginning and 188.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 03:22:06,986 INFO L158 Benchmark]: RCFGBuilder took 641.82ms. Allocated memory is still 218.1MB. Free memory was 188.3MB in the beginning and 171.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-16 03:22:06,987 INFO L158 Benchmark]: TraceAbstraction took 793818.45ms. Allocated memory was 218.1MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 170.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. [2022-03-16 03:22:06,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 218.1MB. Free memory was 183.9MB in the beginning and 183.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.18ms. Allocated memory is still 218.1MB. Free memory was 167.1MB in the beginning and 192.2MB in the end (delta: -25.1MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.16ms. Allocated memory is still 218.1MB. Free memory was 191.8MB in the beginning and 190.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.64ms. Allocated memory is still 218.1MB. Free memory was 190.3MB in the beginning and 188.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 641.82ms. Allocated memory is still 218.1MB. Free memory was 188.3MB in the beginning and 171.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 793818.45ms. Allocated memory was 218.1MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 170.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 5.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 292 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 793.6s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 776.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 436, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 5802 NumberOfCodeBlocks, 5802 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 6914 ConstructedInterpolants, 5 QuantifiedInterpolants, 28467 SizeOfPredicates, 123 NumberOfNonLiveVariables, 2808 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 43 InterpolantComputations, 25 PerfectInterpolantSequences, 51/81 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