/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 04:14:47,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:14:47,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:14:47,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 04:14:47,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 04:14:47,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 04:14:47,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 04:14:47,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 04:14:48,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 04:14:48,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 04:14:48,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 04:14:48,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 04:14:48,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 04:14:48,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 04:14:48,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 04:14:48,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 04:14:48,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 04:14:48,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 04:14:48,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 04:14:48,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 04:14:48,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 04:14:48,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 04:14:48,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 04:14:48,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 04:14:48,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 04:14:48,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 04:14:48,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 04:14:48,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 04:14:48,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 04:14:48,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 04:14:48,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 04:14:48,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 04:14:48,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 04:14:48,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 04:14:48,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 04:14:48,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 04:14:48,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 04:14:48,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 04:14:48,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:14:48,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:14:48,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:14:48,036 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.epf [2022-03-04 04:14:48,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:14:48,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:14:48,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:14:48,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:14:48,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:14:48,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:14:48,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:14:48,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:14:48,061 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:14:48,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:14:48,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:14:48,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:14:48,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:14:48,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:14:48,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:14:48,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:14:48,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:14:48,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:14:48,064 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:14:48,064 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:14:48,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 04:14:48,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:14:48,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:14:48,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:14:48,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:14:48,234 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:14:48,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-03-04 04:14:48,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6154d9f/8b1d40151a3844f99de2a365a9fb4cab/FLAG46b4bb9bc [2022-03-04 04:14:48,622 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:14:48,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-03-04 04:14:48,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6154d9f/8b1d40151a3844f99de2a365a9fb4cab/FLAG46b4bb9bc [2022-03-04 04:14:49,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed6154d9f/8b1d40151a3844f99de2a365a9fb4cab [2022-03-04 04:14:49,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:14:49,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:14:49,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:14:49,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:14:49,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:14:49,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2d08e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49, skipping insertion in model container [2022-03-04 04:14:49,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:14:49,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:14:49,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2022-03-04 04:14:49,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:14:49,245 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:14:49,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2022-03-04 04:14:49,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:14:49,270 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:14:49,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49 WrapperNode [2022-03-04 04:14:49,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:14:49,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:14:49,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:14:49,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:14:49,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,310 INFO L137 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2022-03-04 04:14:49,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:14:49,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:14:49,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:14:49,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:14:49,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:14:49,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:14:49,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:14:49,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:14:49,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (1/1) ... [2022-03-04 04:14:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:14:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:49,359 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) [2022-03-04 04:14:49,364 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 [2022-03-04 04:14:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 04:14:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 04:14:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 04:14:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 04:14:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 04:14:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 04:14:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 04:14:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 04:14:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:14:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:14:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:14:49,393 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:14:49,453 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:14:49,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:14:49,671 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:14:49,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:14:49,710 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-04 04:14:49,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:14:49 BoogieIcfgContainer [2022-03-04 04:14:49,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:14:49,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:14:49,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:14:49,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:14:49,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:14:49" (1/3) ... [2022-03-04 04:14:49,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e73f401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:14:49, skipping insertion in model container [2022-03-04 04:14:49,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:14:49" (2/3) ... [2022-03-04 04:14:49,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e73f401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:14:49, skipping insertion in model container [2022-03-04 04:14:49,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:14:49" (3/3) ... [2022-03-04 04:14:49,717 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2022-03-04 04:14:49,721 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:14:49,721 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:14:49,721 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 04:14:49,721 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:14:49,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,752 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,752 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,752 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,752 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,752 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,757 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,759 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:14:49,764 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 04:14:49,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:14:49,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:49,796 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) [2022-03-04 04:14:49,797 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 [2022-03-04 04:14:49,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:14:49,825 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=true [2022-03-04 04:14:49,826 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 04:14:49,933 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 317 transitions and produced 318 states. [2022-03-04 04:14:49,935 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:49,942 INFO L85 PathProgramCache]: Analyzing trace with hash -676966378, now seen corresponding path program 1 times [2022-03-04 04:14:49,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:49,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229182007] [2022-03-04 04:14:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:50,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:50,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229182007] [2022-03-04 04:14:50,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229182007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:14:50,157 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:14:50,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:14:50,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404554476] [2022-03-04 04:14:50,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:14:50,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 04:14:50,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 04:14:50,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 04:14:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:50,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 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) [2022-03-04 04:14:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,244 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 317 transitions and produced 318 states. [2022-03-04 04:14:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:14:50,245 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:50,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash 365985870, now seen corresponding path program 1 times [2022-03-04 04:14:50,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:50,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447661045] [2022-03-04 04:14:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:50,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:50,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:50,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447661045] [2022-03-04 04:14:50,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447661045] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:14:50,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:14:50,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:14:50,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886949209] [2022-03-04 04:14:50,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:14:50,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 04:14:50,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:50,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 04:14:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 04:14:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,434 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:50,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2022-03-04 04:14:50,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,567 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 657 transitions and produced 464 states. [2022-03-04 04:14:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:50,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:14:50,568 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1611603824, now seen corresponding path program 1 times [2022-03-04 04:14:50,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:50,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965133346] [2022-03-04 04:14:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:50,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:50,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965133346] [2022-03-04 04:14:50,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965133346] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:14:50,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:14:50,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-04 04:14:50,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972644990] [2022-03-04 04:14:50,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:14:50,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-04 04:14:50,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:50,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-04 04:14:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-03-04 04:14:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:50,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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) [2022-03-04 04:14:50,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:50,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:50,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:51,118 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3278 transitions and produced 1179 states. [2022-03-04 04:14:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:51,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:14:51,119 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:51,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:51,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1314858768, now seen corresponding path program 1 times [2022-03-04 04:14:51,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:51,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887867638] [2022-03-04 04:14:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:51,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:51,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887867638] [2022-03-04 04:14:51,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887867638] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:51,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195064008] [2022-03-04 04:14:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:51,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:51,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:51,419 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) [2022-03-04 04:14:51,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 04:14:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:51,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 04:14:51,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:52,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:52,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195064008] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:52,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-04 04:14:52,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 8] total 22 [2022-03-04 04:14:52,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286152037] [2022-03-04 04:14:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:14:52,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-04 04:14:52,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-04 04:14:52,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-03-04 04:14:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:52,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:52,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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) [2022-03-04 04:14:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:52,516 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3296 transitions and produced 1197 states. [2022-03-04 04:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:52,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 04:14:52,724 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,SelfDestructingSolverStorable3 [2022-03-04 04:14:52,724 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:52,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2044893426, now seen corresponding path program 1 times [2022-03-04 04:14:52,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:52,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106189725] [2022-03-04 04:14:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:52,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 04:14:52,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:52,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106189725] [2022-03-04 04:14:52,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106189725] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:52,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159446788] [2022-03-04 04:14:52,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:52,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:52,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:52,964 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) [2022-03-04 04:14:52,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 04:14:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:53,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-04 04:14:53,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:53,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:14:53,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159446788] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:14:53,412 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:14:53,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2022-03-04 04:14:53,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338813870] [2022-03-04 04:14:53,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:14:53,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-04 04:14:53,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:53,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-04 04:14:53,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-04 04:14:53,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:53,414 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:53,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 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) [2022-03-04 04:14:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:53,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3308 transitions and produced 1209 states. [2022-03-04 04:14:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:14:53,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 04:14:53,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:53,996 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:53,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:53,997 INFO L85 PathProgramCache]: Analyzing trace with hash 815732560, now seen corresponding path program 1 times [2022-03-04 04:14:53,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:53,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588714419] [2022-03-04 04:14:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:54,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:54,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588714419] [2022-03-04 04:14:54,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588714419] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:54,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493117350] [2022-03-04 04:14:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:54,193 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) [2022-03-04 04:14:54,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 04:14:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:54,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 04:14:54,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:54,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:54,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493117350] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:54,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-04 04:14:54,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 8] total 22 [2022-03-04 04:14:54,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942652837] [2022-03-04 04:14:54,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:14:54,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-04 04:14:54,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:54,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-04 04:14:54,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2022-03-04 04:14:54,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:54,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:54,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 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) [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:14:54,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:55,165 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3820 transitions and produced 1415 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:14:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:55,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 04:14:55,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:55,384 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash -187515632, now seen corresponding path program 1 times [2022-03-04 04:14:55,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:55,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123881970] [2022-03-04 04:14:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:55,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:55,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:55,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123881970] [2022-03-04 04:14:55,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123881970] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:55,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751345848] [2022-03-04 04:14:55,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:55,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:55,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:55,584 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) [2022-03-04 04:14:55,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 04:14:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:55,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-04 04:14:55,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:56,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:56,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751345848] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:14:56,548 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:14:56,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2022-03-04 04:14:56,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2410897] [2022-03-04 04:14:56,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:14:56,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-04 04:14:56,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-04 04:14:56,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2022-03-04 04:14:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:56,549 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:56,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.92) internal successors, (248), 25 states have internal predecessors, (248), 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) [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:57,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7765 transitions and produced 2367 states. [2022-03-04 04:14:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-04 04:14:57,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 04:14:57,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:57,250 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:57,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash 616147086, now seen corresponding path program 2 times [2022-03-04 04:14:57,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:57,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059908258] [2022-03-04 04:14:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:57,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:57,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:57,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059908258] [2022-03-04 04:14:57,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059908258] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:57,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579544288] [2022-03-04 04:14:57,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:14:57,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:57,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:57,336 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) [2022-03-04 04:14:57,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 04:14:57,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 04:14:57,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:14:57,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 04:14:57,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:57,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:57,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579544288] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:14:57,781 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:14:57,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2022-03-04 04:14:57,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310630641] [2022-03-04 04:14:57,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:14:57,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 04:14:57,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:57,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 04:14:57,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-04 04:14:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:57,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:57,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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) [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-03-04 04:14:57,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:58,311 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28136 transitions and produced 8067 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:14:58,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:58,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 04:14:58,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:58,529 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:14:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:14:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1164690064, now seen corresponding path program 3 times [2022-03-04 04:14:58,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:14:58,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058974792] [2022-03-04 04:14:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:14:58,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:14:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:14:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:58,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:14:58,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058974792] [2022-03-04 04:14:58,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058974792] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:14:58,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248291556] [2022-03-04 04:14:58,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 04:14:58,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:14:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:14:58,819 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) [2022-03-04 04:14:58,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 04:14:58,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-04 04:14:58,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:14:58,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-04 04:14:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:14:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:59,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:14:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:14:59,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248291556] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:14:59,609 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:14:59,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 27 [2022-03-04 04:14:59,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928040531] [2022-03-04 04:14:59,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:14:59,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-04 04:14:59,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:14:59,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-04 04:14:59,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2022-03-04 04:14:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:59,611 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:14:59,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.333333333333334) internal successors, (252), 27 states have internal predecessors, (252), 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) [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:14:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:01,122 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28166 transitions and produced 8097 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 04:15:01,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 04:15:01,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:01,341 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:01,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:01,342 INFO L85 PathProgramCache]: Analyzing trace with hash 181973712, now seen corresponding path program 4 times [2022-03-04 04:15:01,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:01,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031639342] [2022-03-04 04:15:01,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:01,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:01,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031639342] [2022-03-04 04:15:01,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031639342] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:01,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313511993] [2022-03-04 04:15:01,557 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 04:15:01,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:01,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:01,567 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) [2022-03-04 04:15:01,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 04:15:01,652 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 04:15:01,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:01,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-04 04:15:01,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:02,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:02,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313511993] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:02,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:02,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 26 [2022-03-04 04:15:02,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476413572] [2022-03-04 04:15:02,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:02,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 04:15:02,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:02,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 04:15:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2022-03-04 04:15:02,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:02,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:02,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 26 states have internal predecessors, (261), 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) [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:02,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 04:15:02,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:03,403 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28844 transitions and produced 8345 states. [2022-03-04 04:15:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 04:15:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:03,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-04 04:15:03,618 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,SelfDestructingSolverStorable9 [2022-03-04 04:15:03,619 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:03,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:03,619 INFO L85 PathProgramCache]: Analyzing trace with hash 921933712, now seen corresponding path program 5 times [2022-03-04 04:15:03,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:03,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509248325] [2022-03-04 04:15:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:03,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:03,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:03,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509248325] [2022-03-04 04:15:03,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509248325] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:03,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731154554] [2022-03-04 04:15:03,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 04:15:03,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:03,800 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) [2022-03-04 04:15:03,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 04:15:03,892 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-03-04 04:15:03,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:03,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 04:15:03,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:04,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:04,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731154554] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:04,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:04,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 30 [2022-03-04 04:15:04,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216278750] [2022-03-04 04:15:04,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:04,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 04:15:04,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 04:15:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2022-03-04 04:15:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:04,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:04,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.6) internal successors, (258), 30 states have internal predecessors, (258), 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) [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:04,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:05,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55196 transitions and produced 14860 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:15:05,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 04:15:06,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:06,087 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:06,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:06,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1473904334, now seen corresponding path program 6 times [2022-03-04 04:15:06,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:06,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496707462] [2022-03-04 04:15:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:06,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:06,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:06,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496707462] [2022-03-04 04:15:06,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496707462] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:06,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257981301] [2022-03-04 04:15:06,289 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 04:15:06,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:06,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:06,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:15:06,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 04:15:06,391 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-03-04 04:15:06,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:06,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-04 04:15:06,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:06,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:06,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257981301] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:06,789 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:06,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2022-03-04 04:15:06,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012667258] [2022-03-04 04:15:06,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:06,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-04 04:15:06,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-04 04:15:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-04 04:15:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:06,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:06,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-03-04 04:15:06,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:06,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:15:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:08,673 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 133536 transitions and produced 33199 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:15:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:08,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-04 04:15:08,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-04 04:15:08,888 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:08,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:08,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1759109938, now seen corresponding path program 7 times [2022-03-04 04:15:08,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:08,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43914479] [2022-03-04 04:15:08,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:08,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:09,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:09,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43914479] [2022-03-04 04:15:09,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43914479] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:09,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386786690] [2022-03-04 04:15:09,029 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 04:15:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:09,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:15:09,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 04:15:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:09,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 23 conjunts are in the unsatisfiable core [2022-03-04 04:15:09,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:09,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:09,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386786690] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:09,716 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:09,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2022-03-04 04:15:09,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377853484] [2022-03-04 04:15:09,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:09,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-04 04:15:09,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:09,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-04 04:15:09,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-03-04 04:15:09,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:09,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:09,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 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) [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:14,674 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 360406 transitions and produced 89003 states. [2022-03-04 04:15:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:14,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-04 04:15:14,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-04 04:15:14,895 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:14,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1803248624, now seen corresponding path program 8 times [2022-03-04 04:15:14,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:14,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060448812] [2022-03-04 04:15:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:15,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:15,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060448812] [2022-03-04 04:15:15,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060448812] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:15,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306411300] [2022-03-04 04:15:15,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 04:15:15,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:15,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:15,221 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:15:15,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 04:15:15,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 04:15:15,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:15,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 04:15:15,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:15,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 04:15:16,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306411300] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:16,225 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:16,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2022-03-04 04:15:16,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274565722] [2022-03-04 04:15:16,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:16,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-04 04:15:16,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:16,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-04 04:15:16,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=907, Unknown=0, NotChecked=0, Total=1056 [2022-03-04 04:15:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:16,226 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:16,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.151515151515152) internal successors, (269), 33 states have internal predecessors, (269), 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) [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:16,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:23,451 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 361719 transitions and produced 89434 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 04:15:23,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-04 04:15:23,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-04 04:15:23,669 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:23,669 INFO L85 PathProgramCache]: Analyzing trace with hash 557215760, now seen corresponding path program 9 times [2022-03-04 04:15:23,669 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:23,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278422575] [2022-03-04 04:15:23,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:23,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-04 04:15:23,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:23,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278422575] [2022-03-04 04:15:23,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278422575] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:23,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118436374] [2022-03-04 04:15:23,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 04:15:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:23,896 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:15:23,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-04 04:15:23,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-04 04:15:23,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:23,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 04:15:23,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-04 04:15:24,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-04 04:15:24,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118436374] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:24,959 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:24,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 35 [2022-03-04 04:15:24,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493343495] [2022-03-04 04:15:24,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:24,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 04:15:24,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:24,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 04:15:24,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 04:15:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:24,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:24,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.6571428571428575) internal successors, (268), 35 states have internal predecessors, (268), 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) [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 04:15:24,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:37,331 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 798879 transitions and produced 187654 states. [2022-03-04 04:15:37,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-04 04:15:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-04 04:15:37,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-04 04:15:37,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-04 04:15:37,550 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:15:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:15:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash 149671950, now seen corresponding path program 10 times [2022-03-04 04:15:37,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:15:37,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441172997] [2022-03-04 04:15:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:15:37,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:15:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:15:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:37,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:15:37,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441172997] [2022-03-04 04:15:37,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441172997] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:15:37,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403713282] [2022-03-04 04:15:37,729 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 04:15:37,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:15:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:15:37,730 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:15:37,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-04 04:15:37,810 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 04:15:37,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:15:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-04 04:15:37,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:15:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:38,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:15:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:15:38,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403713282] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:15:38,314 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:15:38,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 10 [2022-03-04 04:15:38,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931212059] [2022-03-04 04:15:38,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:15:38,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-04 04:15:38,315 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:15:38,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-04 04:15:38,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-03-04 04:15:38,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:38,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:15:38,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 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) [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:15:38,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-03-04 04:15:38,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-04 04:15:38,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:16:04,594 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1595070 transitions and produced 360738 states. [2022-03-04 04:16:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:16:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:16:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:16:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:16:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:16:04,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 04:16:04,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-04 04:16:04,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:16:04,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-04 04:16:04,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:16:04,813 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 04:16:04,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:16:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 471850254, now seen corresponding path program 11 times [2022-03-04 04:16:04,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:16:04,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369566417] [2022-03-04 04:16:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:16:04,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:16:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:16:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:16:04,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:16:04,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369566417] [2022-03-04 04:16:04,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369566417] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 04:16:04,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351753708] [2022-03-04 04:16:04,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 04:16:04,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 04:16:04,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:16:05,004 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 04:16:05,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-04 04:16:05,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-03-04 04:16:05,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 04:16:05,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-04 04:16:05,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 04:16:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:16:05,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 04:16:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 04:16:05,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351753708] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 04:16:05,753 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 04:16:05,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2022-03-04 04:16:05,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042655825] [2022-03-04 04:16:05,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 04:16:05,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-04 04:16:05,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:16:05,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-04 04:16:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-03-04 04:16:05,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:16:05,756 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:16:05,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.090909090909092) internal successors, (122), 11 states have internal predecessors, (122), 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) [2022-03-04 04:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 04:16:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 04:16:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.