./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1649a98063a717e85aeb2bb52807a9512cd2d6fe54bb25e96cb796483c7113ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:27:37,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:27:37,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:27:37,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:27:37,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:27:37,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:27:37,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:27:37,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:27:37,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:27:37,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:27:37,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:27:37,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:27:37,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:27:37,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:27:37,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:27:37,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:27:37,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:27:37,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:27:37,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:27:37,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:27:37,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:27:37,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:27:37,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:27:37,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:27:37,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:27:37,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:27:37,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:27:37,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:27:37,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:27:37,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:27:37,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:27:37,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:27:37,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:27:37,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:27:37,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:27:37,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:27:37,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:27:37,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:27:37,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:27:37,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:27:37,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:27:37,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:27:37,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:27:37,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:27:37,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:27:37,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:27:37,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:27:37,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:27:37,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:27:37,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:27:37,615 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:27:37,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:27:37,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:27:37,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:27:37,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:27:37,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:27:37,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:27:37,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:27:37,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:27:37,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:27:37,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:27:37,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:27:37,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:27:37,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:37,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:27:37,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:27:37,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:27:37,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:27:37,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:27:37,620 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:27:37,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:27:37,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:27:37,622 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1649a98063a717e85aeb2bb52807a9512cd2d6fe54bb25e96cb796483c7113ec [2022-11-02 20:27:37,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:27:37,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:27:37,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:27:37,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:27:37,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:27:37,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c [2022-11-02 20:27:38,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/c5b96dc42/216b4540f2d64aff8f15b6548e6377de/FLAG6fa9b1ef5 [2022-11-02 20:27:38,842 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:27:38,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c [2022-11-02 20:27:38,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/c5b96dc42/216b4540f2d64aff8f15b6548e6377de/FLAG6fa9b1ef5 [2022-11-02 20:27:39,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/c5b96dc42/216b4540f2d64aff8f15b6548e6377de [2022-11-02 20:27:39,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:27:39,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:27:39,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:39,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:27:39,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:27:39,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:39" (1/1) ... [2022-11-02 20:27:39,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df6d3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:39, skipping insertion in model container [2022-11-02 20:27:39,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:39" (1/1) ... [2022-11-02 20:27:39,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:27:39,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:27:39,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c[1107,1120] [2022-11-02 20:27:41,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:41,219 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:27:41,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c[1107,1120] [2022-11-02 20:27:41,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:41,979 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:27:41,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41 WrapperNode [2022-11-02 20:27:41,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:41,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:41,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:27:41,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:27:41,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:42,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:43,544 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12877 [2022-11-02 20:27:43,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:43,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:27:43,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:27:43,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:27:43,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:43,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:43,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:43,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:44,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:44,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:44,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:44,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:45,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:27:45,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:27:45,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:27:45,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:27:45,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (1/1) ... [2022-11-02 20:27:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:45,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:27:45,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:27:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:27:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:27:46,951 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:27:46,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:01,423 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:01,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:01,454 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:30:01,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:01 BoogieIcfgContainer [2022-11-02 20:30:01,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:01,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:01,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:01,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:01,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:27:39" (1/3) ... [2022-11-02 20:30:01,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2edc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:01, skipping insertion in model container [2022-11-02 20:30:01,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:41" (2/3) ... [2022-11-02 20:30:01,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2edc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:01, skipping insertion in model container [2022-11-02 20:30:01,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:01" (3/3) ... [2022-11-02 20:30:01,478 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal91.c [2022-11-02 20:30:01,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:01,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:01,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:01,632 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e1804f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:01,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 1117 states, 1115 states have (on average 1.4995515695067265) internal successors, (1672), 1116 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:01,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:01,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:01,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:01,666 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:30:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:01,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080990095] [2022-11-02 20:30:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:02,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:02,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080990095] [2022-11-02 20:30:02,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080990095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:02,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:02,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:02,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821803723] [2022-11-02 20:30:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:02,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:02,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:02,952 INFO L87 Difference]: Start difference. First operand has 1117 states, 1115 states have (on average 1.4995515695067265) internal successors, (1672), 1116 states have internal predecessors, (1672), 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:04,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:04,684 INFO L93 Difference]: Finished difference Result 3340 states and 5009 transitions. [2022-11-02 20:30:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-11-02 20:30:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:04,709 INFO L225 Difference]: With dead ends: 3340 [2022-11-02 20:30:04,709 INFO L226 Difference]: Without dead ends: 2225 [2022-11-02 20:30:04,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:04,720 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 3324 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 4942 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:04,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3324 Valid, 4942 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-02 20:30:04,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2022-11-02 20:30:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1115. [2022-11-02 20:30:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 1.497307001795332) internal successors, (1668), 1114 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1668 transitions. [2022-11-02 20:30:04,864 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1668 transitions. Word has length 9 [2022-11-02 20:30:04,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:04,865 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1668 transitions. [2022-11-02 20:30:04,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:04,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1668 transitions. [2022-11-02 20:30:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:04,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:04,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:04,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:30:04,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:04,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:04,869 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:30:04,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:04,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033429574] [2022-11-02 20:30:04,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:04,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:05,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:05,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033429574] [2022-11-02 20:30:05,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033429574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:05,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:05,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:05,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149997346] [2022-11-02 20:30:05,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:05,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:05,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:05,424 INFO L87 Difference]: Start difference. First operand 1115 states and 1668 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:07,276 INFO L93 Difference]: Finished difference Result 3338 states and 4997 transitions. [2022-11-02 20:30:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-11-02 20:30:07,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:07,283 INFO L225 Difference]: With dead ends: 3338 [2022-11-02 20:30:07,283 INFO L226 Difference]: Without dead ends: 2227 [2022-11-02 20:30:07,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:07,287 INFO L413 NwaCegarLoop]: 1643 mSDtfsCounter, 3321 mSDsluCounter, 3300 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:07,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 4943 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:30:07,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-11-02 20:30:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1117. [2022-11-02 20:30:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1116 states have (on average 1.496415770609319) internal successors, (1670), 1116 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1670 transitions. [2022-11-02 20:30:07,318 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1670 transitions. Word has length 9 [2022-11-02 20:30:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:07,318 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1670 transitions. [2022-11-02 20:30:07,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:07,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1670 transitions. [2022-11-02 20:30:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:07,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:07,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:07,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:30:07,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:07,321 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:30:07,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:07,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300998436] [2022-11-02 20:30:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:07,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:07,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:30:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:30:08,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:30:08,313 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:30:08,315 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:30:08,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:30:08,330 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:30:08,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:30:08,437 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 20:30:08,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:08 BoogieIcfgContainer [2022-11-02 20:30:08,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:30:08,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:30:08,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:30:08,486 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:30:08,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:01" (3/4) ... [2022-11-02 20:30:08,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:30:08,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:30:08,491 INFO L158 Benchmark]: Toolchain (without parser) took 149120.51ms. Allocated memory was 113.2MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 75.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 428.6MB. Max. memory is 16.1GB. [2022-11-02 20:30:08,492 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:30:08,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2610.03ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 74.9MB in the beginning and 116.3MB in the end (delta: -41.4MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2022-11-02 20:30:08,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 1562.99ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 116.3MB in the beginning and 285.5MB in the end (delta: -169.3MB). Peak memory consumption was 157.9MB. Max. memory is 16.1GB. [2022-11-02 20:30:08,501 INFO L158 Benchmark]: Boogie Preprocessor took 1495.99ms. Allocated memory was 574.6MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 285.5MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2022-11-02 20:30:08,502 INFO L158 Benchmark]: RCFGBuilder took 136416.48ms. Allocated memory was 1.7GB in the beginning and 3.8GB in the end (delta: 2.0GB). Free memory was 1.4GB in the beginning and 3.3GB in the end (delta: -2.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2022-11-02 20:30:08,502 INFO L158 Benchmark]: TraceAbstraction took 7022.80ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 45.7MB). Peak memory consumption was 342.4MB. Max. memory is 16.1GB. [2022-11-02 20:30:08,502 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 3.8GB. Free memory is still 3.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:30:08,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2610.03ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 74.9MB in the beginning and 116.3MB in the end (delta: -41.4MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1562.99ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 116.3MB in the beginning and 285.5MB in the end (delta: -169.3MB). Peak memory consumption was 157.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1495.99ms. Allocated memory was 574.6MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 285.5MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * RCFGBuilder took 136416.48ms. Allocated memory was 1.7GB in the beginning and 3.8GB in the end (delta: 2.0GB). Free memory was 1.4GB in the beginning and 3.3GB in the end (delta: -2.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * TraceAbstraction took 7022.80ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 45.7MB). Peak memory consumption was 342.4MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 3.8GB. Free memory is still 3.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 481, overapproximation of bitwiseOr at line 479, overapproximation of bitwiseAnd at line 473. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L37] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L38] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L40] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 3); [L41] const SORT_27 msb_SORT_27 = (SORT_27)1 << (3 - 1); [L43] const SORT_34 mask_SORT_34 = (SORT_34)-1 >> (sizeof(SORT_34) * 8 - 5); [L44] const SORT_34 msb_SORT_34 = (SORT_34)1 << (5 - 1); [L46] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 6); [L47] const SORT_47 msb_SORT_47 = (SORT_47)1 << (6 - 1); [L49] const SORT_56 mask_SORT_56 = (SORT_56)-1 >> (sizeof(SORT_56) * 8 - 7); [L50] const SORT_56 msb_SORT_56 = (SORT_56)1 << (7 - 1); [L52] const SORT_246 mask_SORT_246 = (SORT_246)-1 >> (sizeof(SORT_246) * 8 - 9); [L53] const SORT_246 msb_SORT_246 = (SORT_246)1 << (9 - 1); [L55] const SORT_248 mask_SORT_248 = (SORT_248)-1 >> (sizeof(SORT_248) * 8 - 10); [L56] const SORT_248 msb_SORT_248 = (SORT_248)1 << (10 - 1); [L58] const SORT_250 mask_SORT_250 = (SORT_250)-1 >> (sizeof(SORT_250) * 8 - 11); [L59] const SORT_250 msb_SORT_250 = (SORT_250)1 << (11 - 1); [L61] const SORT_252 mask_SORT_252 = (SORT_252)-1 >> (sizeof(SORT_252) * 8 - 12); [L62] const SORT_252 msb_SORT_252 = (SORT_252)1 << (12 - 1); [L64] const SORT_587 mask_SORT_587 = (SORT_587)-1 >> (sizeof(SORT_587) * 8 - 14); [L65] const SORT_587 msb_SORT_587 = (SORT_587)1 << (14 - 1); [L67] const SORT_589 mask_SORT_589 = (SORT_589)-1 >> (sizeof(SORT_589) * 8 - 16); [L68] const SORT_589 msb_SORT_589 = (SORT_589)1 << (16 - 1); [L70] const SORT_591 mask_SORT_591 = (SORT_591)-1 >> (sizeof(SORT_591) * 8 - 22); [L71] const SORT_591 msb_SORT_591 = (SORT_591)1 << (22 - 1); [L73] const SORT_593 mask_SORT_593 = (SORT_593)-1 >> (sizeof(SORT_593) * 8 - 24); [L74] const SORT_593 msb_SORT_593 = (SORT_593)1 << (24 - 1); [L76] const SORT_595 mask_SORT_595 = (SORT_595)-1 >> (sizeof(SORT_595) * 8 - 30); [L77] const SORT_595 msb_SORT_595 = (SORT_595)1 << (30 - 1); [L79] const SORT_634 mask_SORT_634 = (SORT_634)-1 >> (sizeof(SORT_634) * 8 - 33); [L80] const SORT_634 msb_SORT_634 = (SORT_634)1 << (33 - 1); [L82] const SORT_791 mask_SORT_791 = (SORT_791)-1 >> (sizeof(SORT_791) * 8 - 13); [L83] const SORT_791 msb_SORT_791 = (SORT_791)1 << (13 - 1); [L85] const SORT_794 mask_SORT_794 = (SORT_794)-1 >> (sizeof(SORT_794) * 8 - 15); [L86] const SORT_794 msb_SORT_794 = (SORT_794)1 << (15 - 1); [L88] const SORT_797 mask_SORT_797 = (SORT_797)-1 >> (sizeof(SORT_797) * 8 - 17); [L89] const SORT_797 msb_SORT_797 = (SORT_797)1 << (17 - 1); [L91] const SORT_799 mask_SORT_799 = (SORT_799)-1 >> (sizeof(SORT_799) * 8 - 18); [L92] const SORT_799 msb_SORT_799 = (SORT_799)1 << (18 - 1); [L94] const SORT_890 mask_SORT_890 = (SORT_890)-1 >> (sizeof(SORT_890) * 8 - 19); [L95] const SORT_890 msb_SORT_890 = (SORT_890)1 << (19 - 1); [L97] const SORT_892 mask_SORT_892 = (SORT_892)-1 >> (sizeof(SORT_892) * 8 - 20); [L98] const SORT_892 msb_SORT_892 = (SORT_892)1 << (20 - 1); [L100] const SORT_894 mask_SORT_894 = (SORT_894)-1 >> (sizeof(SORT_894) * 8 - 21); [L101] const SORT_894 msb_SORT_894 = (SORT_894)1 << (21 - 1); [L103] const SORT_1111 mask_SORT_1111 = (SORT_1111)-1 >> (sizeof(SORT_1111) * 8 - 23); [L104] const SORT_1111 msb_SORT_1111 = (SORT_1111)1 << (23 - 1); [L106] const SORT_1259 mask_SORT_1259 = (SORT_1259)-1 >> (sizeof(SORT_1259) * 8 - 26); [L107] const SORT_1259 msb_SORT_1259 = (SORT_1259)1 << (26 - 1); [L109] const SORT_1301 mask_SORT_1301 = (SORT_1301)-1 >> (sizeof(SORT_1301) * 8 - 25); [L110] const SORT_1301 msb_SORT_1301 = (SORT_1301)1 << (25 - 1); [L112] const SORT_1306 mask_SORT_1306 = (SORT_1306)-1 >> (sizeof(SORT_1306) * 8 - 27); [L113] const SORT_1306 msb_SORT_1306 = (SORT_1306)1 << (27 - 1); [L115] const SORT_1309 mask_SORT_1309 = (SORT_1309)-1 >> (sizeof(SORT_1309) * 8 - 28); [L116] const SORT_1309 msb_SORT_1309 = (SORT_1309)1 << (28 - 1); [L118] const SORT_1312 mask_SORT_1312 = (SORT_1312)-1 >> (sizeof(SORT_1312) * 8 - 29); [L119] const SORT_1312 msb_SORT_1312 = (SORT_1312)1 << (29 - 1); [L121] const SORT_1317 mask_SORT_1317 = (SORT_1317)-1 >> (sizeof(SORT_1317) * 8 - 31); [L122] const SORT_1317 msb_SORT_1317 = (SORT_1317)1 << (31 - 1); [L124] const SORT_3025 mask_SORT_3025 = (SORT_3025)-1 >> (sizeof(SORT_3025) * 8 - 34); [L125] const SORT_3025 msb_SORT_3025 = (SORT_3025)1 << (34 - 1); [L127] const SORT_3 var_88 = 0; [L128] const SORT_3 var_104 = 1; [L129] const SORT_1 var_111 = 0; [L130] const SORT_1 var_119 = 3; [L131] const SORT_1 var_121 = 2; [L132] const SORT_1 var_123 = 1; [L133] const SORT_27 var_127 = 1; [L134] const SORT_27 var_130 = 3; [L135] const SORT_27 var_133 = 2; [L136] const SORT_27 var_137 = 5; [L137] const SORT_27 var_140 = 7; [L138] const SORT_27 var_143 = 6; [L139] const SORT_27 var_147 = 4; [L140] const SORT_9 var_173 = 0; [L141] const SORT_34 var_194 = 11; [L142] const SORT_34 var_196 = 10; [L143] const SORT_34 var_198 = 2; [L144] const SORT_34 var_200 = 9; [L145] const SORT_34 var_215 = 21; [L146] const SORT_34 var_217 = 20; [L147] const SORT_34 var_219 = 19; [L148] const SORT_34 var_221 = 18; [L149] const SORT_34 var_223 = 17; [L150] const SORT_34 var_225 = 16; [L151] const SORT_34 var_227 = 15; [L152] const SORT_34 var_229 = 14; [L153] const SORT_34 var_231 = 8; [L154] const SORT_34 var_233 = 6; [L155] const SORT_34 var_235 = 3; [L156] const SORT_34 var_237 = 5; [L157] const SORT_34 var_255 = 4; [L158] const SORT_34 var_257 = 1; [L159] const SORT_34 var_267 = 7; [L160] const SORT_34 var_285 = 13; [L161] const SORT_34 var_293 = 12; [L162] const SORT_34 var_314 = 23; [L163] const SORT_34 var_317 = 22; [L164] const SORT_34 var_326 = 25; [L165] const SORT_34 var_329 = 27; [L166] const SORT_34 var_332 = 26; [L167] const SORT_34 var_336 = 29; [L168] const SORT_34 var_339 = 31; [L169] const SORT_34 var_342 = 30; [L170] const SORT_34 var_346 = 28; [L171] const SORT_34 var_352 = 24; [L172] const SORT_47 var_375 = 0; [L173] const SORT_9 var_451 = 3; [L174] const SORT_27 var_493 = 0; [L175] const SORT_11 var_516 = 0; [L176] const SORT_634 var_635 = 0; [L177] const SORT_9 var_804 = 2; [L178] const SORT_9 var_807 = 1; [L179] const SORT_6 var_1251 = 8; [L180] const SORT_1259 var_1260 = 0; [L181] const SORT_9 var_1346 = 255; [L182] const SORT_47 var_1350 = 1; [L183] const SORT_6 var_1466 = 0; [L184] const SORT_34 var_2378 = 0; [L185] const SORT_6 var_2405 = 1; [L186] const SORT_6 var_2408 = 3; [L187] const SORT_6 var_2411 = 2; [L188] const SORT_6 var_2415 = 5; [L189] const SORT_6 var_2418 = 7; [L190] const SORT_6 var_2421 = 6; [L191] const SORT_6 var_2425 = 4; [L192] const SORT_6 var_2431 = 9; [L193] const SORT_6 var_2434 = 11; [L194] const SORT_6 var_2437 = 10; [L195] const SORT_6 var_2441 = 13; [L196] const SORT_6 var_2444 = 15; [L197] const SORT_6 var_2447 = 14; [L198] const SORT_6 var_2451 = 12; [L199] const SORT_1309 var_2637 = 0; [L200] const SORT_3025 var_3027 = 0; [L201] const SORT_56 var_3050 = 0; [L203] SORT_1 input_2; [L204] SORT_3 input_4; [L205] SORT_3 input_5; [L206] SORT_6 input_7; [L207] SORT_3 input_8; [L208] SORT_9 input_10; [L209] SORT_11 input_12; [L210] SORT_1 input_13; [L211] SORT_9 input_14; [L212] SORT_9 input_15; [L213] SORT_9 input_16; [L214] SORT_1 input_17; [L215] SORT_9 input_18; [L216] SORT_9 input_19; [L217] SORT_9 input_20; [L218] SORT_3 input_21; [L219] SORT_3 input_22; [L220] SORT_3 input_23; [L221] SORT_3 input_24; [L222] SORT_3 input_25; [L223] SORT_1 input_26; [L224] SORT_27 input_28; [L225] SORT_1 input_29; [L226] SORT_3 input_30; [L227] SORT_3 input_31; [L228] SORT_3 input_32; [L229] SORT_3 input_33; [L230] SORT_34 input_35; [L231] SORT_1 input_36; [L232] SORT_9 input_37; [L233] SORT_11 input_38; [L234] SORT_27 input_39; [L235] SORT_9 input_40; [L236] SORT_3 input_41; [L237] SORT_1 input_42; [L238] SORT_34 input_43; [L239] SORT_3 input_44; [L240] SORT_3 input_45; [L241] SORT_1 input_46; [L242] SORT_47 input_48; [L243] SORT_1 input_49; [L244] SORT_47 input_50; [L245] SORT_1 input_51; [L246] SORT_47 input_52; [L247] SORT_1 input_53; [L248] SORT_47 input_54; [L249] SORT_3 input_55; [L250] SORT_56 input_57; [L251] SORT_3 input_58; [L252] SORT_1 input_59; [L253] SORT_3 input_60; [L254] SORT_9 input_61; [L255] SORT_3 input_62; [L256] SORT_3 input_63; [L257] SORT_3 input_64; [L258] SORT_3 input_65; [L259] SORT_3 input_66; [L260] SORT_56 input_67; [L261] SORT_3 input_68; [L262] SORT_3 input_69; [L263] SORT_9 input_70; [L264] SORT_11 input_71; [L265] SORT_47 input_72; [L266] SORT_1 input_73; [L267] SORT_47 input_74; [L268] SORT_1 input_75; [L269] SORT_47 input_76; [L270] SORT_1 input_77; [L271] SORT_47 input_78; [L272] SORT_1 input_79; [L273] SORT_27 input_80; [L274] SORT_9 input_81; [L275] SORT_1 input_82; [L276] SORT_9 input_83; [L277] SORT_3 input_84; [L278] SORT_34 input_85; [L279] SORT_1 input_86; [L280] SORT_1 input_87; [L282] SORT_3 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L283] SORT_3 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L284] SORT_3 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L285] SORT_3 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L286] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L287] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L288] SORT_9 state_174 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L289] SORT_1 state_399 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L290] SORT_9 state_481 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L291] SORT_27 state_494 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L292] SORT_11 state_517 = __VERIFIER_nondet_uint() & mask_SORT_11; [L293] SORT_47 state_562 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L294] SORT_1 state_565 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L295] SORT_47 state_568 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L296] SORT_1 state_571 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L297] SORT_47 state_574 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L298] SORT_1 state_577 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L299] SORT_47 state_580 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L300] SORT_1 state_583 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L301] SORT_9 state_613 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L302] SORT_3 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L303] SORT_34 state_3034 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L304] SORT_1 state_3038 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L305] SORT_3 state_3047 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L306] SORT_56 state_3051 = __VERIFIER_nondet_uchar() & mask_SORT_56; [L307] SORT_3 state_3064 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L308] SORT_3 state_3067 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L310] SORT_3 init_90_arg_1 = var_88; [L311] state_89 = init_90_arg_1 [L312] SORT_3 init_93_arg_1 = var_88; [L313] state_92 = init_93_arg_1 [L314] SORT_3 init_95_arg_1 = var_88; [L315] state_94 = init_95_arg_1 [L316] SORT_3 init_98_arg_1 = var_88; [L317] state_97 = init_98_arg_1 [L318] SORT_3 init_109_arg_1 = var_88; [L319] state_108 = init_109_arg_1 [L320] SORT_1 init_113_arg_1 = var_111; [L321] state_112 = init_113_arg_1 [L322] SORT_9 init_175_arg_1 = var_173; [L323] state_174 = init_175_arg_1 [L324] SORT_1 init_400_arg_1 = var_111; [L325] state_399 = init_400_arg_1 [L326] SORT_9 init_482_arg_1 = var_173; [L327] state_481 = init_482_arg_1 [L328] SORT_27 init_495_arg_1 = var_493; [L329] state_494 = init_495_arg_1 [L330] SORT_11 init_518_arg_1 = var_516; [L331] state_517 = init_518_arg_1 [L332] SORT_47 init_563_arg_1 = var_375; [L333] state_562 = init_563_arg_1 [L334] SORT_1 init_566_arg_1 = var_111; [L335] state_565 = init_566_arg_1 [L336] SORT_47 init_569_arg_1 = var_375; [L337] state_568 = init_569_arg_1 [L338] SORT_1 init_572_arg_1 = var_111; [L339] state_571 = init_572_arg_1 [L340] SORT_47 init_575_arg_1 = var_375; [L341] state_574 = init_575_arg_1 [L342] SORT_1 init_578_arg_1 = var_111; [L343] state_577 = init_578_arg_1 [L344] SORT_47 init_581_arg_1 = var_375; [L345] state_580 = init_581_arg_1 [L346] SORT_1 init_584_arg_1 = var_111; [L347] state_583 = init_584_arg_1 [L348] SORT_9 init_614_arg_1 = var_173; [L349] state_613 = init_614_arg_1 [L350] SORT_3 init_632_arg_1 = var_88; [L351] state_631 = init_632_arg_1 [L352] SORT_34 init_3035_arg_1 = var_2378; [L353] state_3034 = init_3035_arg_1 [L354] SORT_1 init_3039_arg_1 = var_111; [L355] state_3038 = init_3039_arg_1 [L356] SORT_3 init_3048_arg_1 = var_88; [L357] state_3047 = init_3048_arg_1 [L358] SORT_56 init_3052_arg_1 = var_3050; [L359] state_3051 = init_3052_arg_1 [L360] SORT_3 init_3065_arg_1 = var_88; [L361] state_3064 = init_3065_arg_1 [L362] SORT_3 init_3068_arg_1 = var_88; [L363] state_3067 = init_3068_arg_1 VAL [init_109_arg_1=0, init_113_arg_1=0, init_175_arg_1=0, init_3035_arg_1=0, init_3039_arg_1=0, init_3048_arg_1=0, init_3052_arg_1=0, init_3065_arg_1=0, init_3068_arg_1=0, init_400_arg_1=0, init_482_arg_1=0, init_495_arg_1=0, init_518_arg_1=0, init_563_arg_1=0, init_566_arg_1=0, init_569_arg_1=0, init_572_arg_1=0, init_575_arg_1=0, init_578_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_614_arg_1=0, init_632_arg_1=0, init_90_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_98_arg_1=0, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1111=4294967295, mask_SORT_1259=4294967295, mask_SORT_1301=4294967295, mask_SORT_1306=4294967295, mask_SORT_1309=4294967295, mask_SORT_1312=4294967295, mask_SORT_1317=4294967295, mask_SORT_246=511, mask_SORT_248=1023, mask_SORT_250=2047, mask_SORT_252=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3025=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_587=16383, mask_SORT_589=65535, mask_SORT_591=4294967295, mask_SORT_593=4294967295, mask_SORT_595=4294967295, mask_SORT_6=15, mask_SORT_634=1, mask_SORT_791=8191, mask_SORT_794=32767, mask_SORT_797=4294967295, mask_SORT_799=4294967295, mask_SORT_890=4294967295, mask_SORT_892=4294967295, mask_SORT_894=4294967295, mask_SORT_9=255, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1111=4194304, msb_SORT_1259=33554432, msb_SORT_1301=16777216, msb_SORT_1306=67108864, msb_SORT_1309=134217728, msb_SORT_1312=268435456, msb_SORT_1317=1073741824, msb_SORT_246=256, msb_SORT_248=512, msb_SORT_250=1024, msb_SORT_252=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3025=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_587=8192, msb_SORT_589=32768, msb_SORT_591=2097152, msb_SORT_593=8388608, msb_SORT_595=536870912, msb_SORT_6=8, msb_SORT_634=4294967296, msb_SORT_791=4096, msb_SORT_794=16384, msb_SORT_797=65536, msb_SORT_799=131072, msb_SORT_890=262144, msb_SORT_892=524288, msb_SORT_894=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_174=0, state_3034=0, state_3038=0, state_3047=0, state_3051=0, state_3064=0, state_3067=0, state_399=0, state_481=0, state_494=0, state_517=0, state_562=0, state_565=0, state_568=0, state_571=0, state_574=0, state_577=0, state_580=0, state_583=0, state_613=0, state_631=0, state_89=0, state_92=0, state_94=0, state_97=0, var_104=1, var_111=0, var_119=3, var_121=2, var_123=1, var_1251=8, var_1260=0, var_127=1, var_130=3, var_133=2, var_1346=255, var_1350=1, var_137=5, var_140=7, var_143=6, var_1466=0, var_147=4, var_173=0, var_194=11, var_196=10, var_198=2, var_200=9, var_215=21, var_217=20, var_219=19, var_221=18, var_223=17, var_225=16, var_227=15, var_229=14, var_231=8, var_233=6, var_235=3, var_237=5, var_2378=0, var_2405=1, var_2408=3, var_2411=2, var_2415=5, var_2418=7, var_2421=6, var_2425=4, var_2431=9, var_2434=11, var_2437=10, var_2441=13, var_2444=15, var_2447=14, var_2451=12, var_255=4, var_257=1, var_2637=0, var_267=7, var_285=13, var_293=12, var_3027=0, var_3050=0, var_314=23, var_317=22, var_326=25, var_329=27, var_332=26, var_336=29, var_339=31, var_342=30, var_346=28, var_352=24, var_375=0, var_451=3, var_493=0, var_516=0, var_635=0, var_804=2, var_807=1, var_88=0] [L366] input_2 = __VERIFIER_nondet_uchar() [L367] input_2 = input_2 & mask_SORT_1 [L368] input_4 = __VERIFIER_nondet_uchar() [L369] input_5 = __VERIFIER_nondet_uchar() [L370] input_5 = input_5 & mask_SORT_3 [L371] input_7 = __VERIFIER_nondet_uchar() [L372] input_7 = input_7 & mask_SORT_6 [L373] input_8 = __VERIFIER_nondet_uchar() [L374] input_8 = input_8 & mask_SORT_3 [L375] input_10 = __VERIFIER_nondet_uchar() [L376] input_12 = __VERIFIER_nondet_uint() [L377] input_13 = __VERIFIER_nondet_uchar() [L378] input_13 = input_13 & mask_SORT_1 [L379] input_14 = __VERIFIER_nondet_uchar() [L380] input_15 = __VERIFIER_nondet_uchar() [L381] input_16 = __VERIFIER_nondet_uchar() [L382] input_17 = __VERIFIER_nondet_uchar() [L383] input_17 = input_17 & mask_SORT_1 [L384] input_18 = __VERIFIER_nondet_uchar() [L385] input_19 = __VERIFIER_nondet_uchar() [L386] input_20 = __VERIFIER_nondet_uchar() [L387] input_21 = __VERIFIER_nondet_uchar() [L388] input_21 = input_21 & mask_SORT_3 [L389] input_22 = __VERIFIER_nondet_uchar() [L390] input_22 = input_22 & mask_SORT_3 [L391] input_23 = __VERIFIER_nondet_uchar() [L392] input_24 = __VERIFIER_nondet_uchar() [L393] input_24 = input_24 & mask_SORT_3 [L394] input_25 = __VERIFIER_nondet_uchar() [L395] input_25 = input_25 & mask_SORT_3 [L396] input_26 = __VERIFIER_nondet_uchar() [L397] input_26 = input_26 & mask_SORT_1 [L398] input_28 = __VERIFIER_nondet_uchar() [L399] input_28 = input_28 & mask_SORT_27 [L400] input_29 = __VERIFIER_nondet_uchar() [L401] input_29 = input_29 & mask_SORT_1 [L402] input_30 = __VERIFIER_nondet_uchar() [L403] input_30 = input_30 & mask_SORT_3 [L404] input_31 = __VERIFIER_nondet_uchar() [L405] input_32 = __VERIFIER_nondet_uchar() [L406] input_33 = __VERIFIER_nondet_uchar() [L407] input_33 = input_33 & mask_SORT_3 [L408] input_35 = __VERIFIER_nondet_uchar() [L409] input_35 = input_35 & mask_SORT_34 [L410] input_36 = __VERIFIER_nondet_uchar() [L411] input_37 = __VERIFIER_nondet_uchar() [L412] input_38 = __VERIFIER_nondet_uint() [L413] input_39 = __VERIFIER_nondet_uchar() [L414] input_40 = __VERIFIER_nondet_uchar() [L415] input_41 = __VERIFIER_nondet_uchar() [L416] input_42 = __VERIFIER_nondet_uchar() [L417] input_43 = __VERIFIER_nondet_uchar() [L418] input_44 = __VERIFIER_nondet_uchar() [L419] input_45 = __VERIFIER_nondet_uchar() [L420] input_46 = __VERIFIER_nondet_uchar() [L421] input_48 = __VERIFIER_nondet_uchar() [L422] input_49 = __VERIFIER_nondet_uchar() [L423] input_50 = __VERIFIER_nondet_uchar() [L424] input_51 = __VERIFIER_nondet_uchar() [L425] input_52 = __VERIFIER_nondet_uchar() [L426] input_53 = __VERIFIER_nondet_uchar() [L427] input_54 = __VERIFIER_nondet_uchar() [L428] input_55 = __VERIFIER_nondet_uchar() [L429] input_57 = __VERIFIER_nondet_uchar() [L430] input_58 = __VERIFIER_nondet_uchar() [L431] input_59 = __VERIFIER_nondet_uchar() [L432] input_60 = __VERIFIER_nondet_uchar() [L433] input_61 = __VERIFIER_nondet_uchar() [L434] input_62 = __VERIFIER_nondet_uchar() [L435] input_63 = __VERIFIER_nondet_uchar() [L436] input_64 = __VERIFIER_nondet_uchar() [L437] input_65 = __VERIFIER_nondet_uchar() [L438] input_66 = __VERIFIER_nondet_uchar() [L439] input_67 = __VERIFIER_nondet_uchar() [L440] input_68 = __VERIFIER_nondet_uchar() [L441] input_69 = __VERIFIER_nondet_uchar() [L442] input_70 = __VERIFIER_nondet_uchar() [L443] input_71 = __VERIFIER_nondet_uint() [L444] input_72 = __VERIFIER_nondet_uchar() [L445] input_73 = __VERIFIER_nondet_uchar() [L446] input_74 = __VERIFIER_nondet_uchar() [L447] input_75 = __VERIFIER_nondet_uchar() [L448] input_76 = __VERIFIER_nondet_uchar() [L449] input_77 = __VERIFIER_nondet_uchar() [L450] input_78 = __VERIFIER_nondet_uchar() [L451] input_79 = __VERIFIER_nondet_uchar() [L452] input_80 = __VERIFIER_nondet_uchar() [L453] input_81 = __VERIFIER_nondet_uchar() [L454] input_82 = __VERIFIER_nondet_uchar() [L455] input_83 = __VERIFIER_nondet_uchar() [L456] input_84 = __VERIFIER_nondet_uchar() [L457] input_85 = __VERIFIER_nondet_uchar() [L458] input_86 = __VERIFIER_nondet_uchar() [L459] input_87 = __VERIFIER_nondet_uchar() [L462] SORT_3 var_91_arg_0 = state_89; [L463] SORT_3 var_91 = ~var_91_arg_0; [L464] SORT_3 var_96_arg_0 = state_94; [L465] SORT_3 var_96_arg_1 = state_92; [L466] SORT_3 var_96_arg_2 = input_41; VAL [init_109_arg_1=0, init_113_arg_1=0, init_175_arg_1=0, init_3035_arg_1=0, init_3039_arg_1=0, init_3048_arg_1=0, init_3052_arg_1=0, init_3065_arg_1=0, init_3068_arg_1=0, init_400_arg_1=0, init_482_arg_1=0, init_495_arg_1=0, init_518_arg_1=0, init_563_arg_1=0, init_566_arg_1=0, init_569_arg_1=0, init_572_arg_1=0, init_575_arg_1=0, init_578_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_614_arg_1=0, init_632_arg_1=0, init_90_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_98_arg_1=0, input_10=45, input_12=27, input_13=1, input_14=5, input_15=13, input_16=20, input_17=0, input_18=37, input_19=48, input_2=0, input_20=38, input_21=0, input_22=1, input_23=34, input_24=1, input_25=0, input_26=0, input_28=0, input_29=0, input_30=0, input_31=31, input_32=60, input_33=1, input_35=31, input_36=56, input_37=30, input_38=51, input_39=6, input_4=22, input_40=58, input_41=1, input_42=10, input_43=17, input_44=12, input_45=39, input_46=44, input_48=41, input_49=28, input_5=1, input_50=9, input_51=55, input_52=3, input_53=16, input_54=36, input_55=53, input_57=7, input_58=47, input_59=23, input_60=11, input_61=21, input_62=8, input_63=33, input_64=40, input_65=57, input_66=59, input_67=42, input_68=15, input_69=4, input_7=1, input_70=52, input_71=25, input_72=49, input_73=26, input_74=14, input_75=35, input_76=18, input_77=61, input_78=2, input_79=24, input_8=0, input_80=29, input_81=46, input_82=1, input_83=54, input_84=50, input_85=43, input_86=32, input_87=19, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1111=4294967295, mask_SORT_1259=4294967295, mask_SORT_1301=4294967295, mask_SORT_1306=4294967295, mask_SORT_1309=4294967295, mask_SORT_1312=4294967295, mask_SORT_1317=4294967295, mask_SORT_246=511, mask_SORT_248=1023, mask_SORT_250=2047, mask_SORT_252=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3025=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_587=16383, mask_SORT_589=65535, mask_SORT_591=4294967295, mask_SORT_593=4294967295, mask_SORT_595=4294967295, mask_SORT_6=15, mask_SORT_634=1, mask_SORT_791=8191, mask_SORT_794=32767, mask_SORT_797=4294967295, mask_SORT_799=4294967295, mask_SORT_890=4294967295, mask_SORT_892=4294967295, mask_SORT_894=4294967295, mask_SORT_9=255, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1111=4194304, msb_SORT_1259=33554432, msb_SORT_1301=16777216, msb_SORT_1306=67108864, msb_SORT_1309=134217728, msb_SORT_1312=268435456, msb_SORT_1317=1073741824, msb_SORT_246=256, msb_SORT_248=512, msb_SORT_250=1024, msb_SORT_252=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3025=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_587=8192, msb_SORT_589=32768, msb_SORT_591=2097152, msb_SORT_593=8388608, msb_SORT_595=536870912, msb_SORT_6=8, msb_SORT_634=4294967296, msb_SORT_791=4096, msb_SORT_794=16384, msb_SORT_797=65536, msb_SORT_799=131072, msb_SORT_890=262144, msb_SORT_892=524288, msb_SORT_894=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_174=0, state_3034=0, state_3038=0, state_3047=0, state_3051=0, state_3064=0, state_3067=0, state_399=0, state_481=0, state_494=0, state_517=0, state_562=0, state_565=0, state_568=0, state_571=0, state_574=0, state_577=0, state_580=0, state_583=0, state_613=0, state_631=0, state_89=0, state_92=0, state_94=0, state_97=0, var_104=1, var_111=0, var_119=3, var_121=2, var_123=1, var_1251=8, var_1260=0, var_127=1, var_130=3, var_133=2, var_1346=255, var_1350=1, var_137=5, var_140=7, var_143=6, var_1466=0, var_147=4, var_173=0, var_194=11, var_196=10, var_198=2, var_200=9, var_215=21, var_217=20, var_219=19, var_221=18, var_223=17, var_225=16, var_227=15, var_229=14, var_231=8, var_233=6, var_235=3, var_237=5, var_2378=0, var_2405=1, var_2408=3, var_2411=2, var_2415=5, var_2418=7, var_2421=6, var_2425=4, var_2431=9, var_2434=11, var_2437=10, var_2441=13, var_2444=15, var_2447=14, var_2451=12, var_255=4, var_257=1, var_2637=0, var_267=7, var_285=13, var_293=12, var_3027=0, var_3050=0, var_314=23, var_317=22, var_326=25, var_329=27, var_332=26, var_336=29, var_339=31, var_342=30, var_346=28, var_352=24, var_375=0, var_451=3, var_493=0, var_516=0, var_635=0, var_804=2, var_807=1, var_88=0, var_91_arg_0=0, var_96_arg_0=0, var_96_arg_1=0, var_96_arg_2=1] [L467] EXPR var_96_arg_0 ? var_96_arg_1 : var_96_arg_2 VAL [init_109_arg_1=0, init_113_arg_1=0, init_175_arg_1=0, init_3035_arg_1=0, init_3039_arg_1=0, init_3048_arg_1=0, init_3052_arg_1=0, init_3065_arg_1=0, init_3068_arg_1=0, init_400_arg_1=0, init_482_arg_1=0, init_495_arg_1=0, init_518_arg_1=0, init_563_arg_1=0, init_566_arg_1=0, init_569_arg_1=0, init_572_arg_1=0, init_575_arg_1=0, init_578_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_614_arg_1=0, init_632_arg_1=0, init_90_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_98_arg_1=0, input_10=45, input_12=27, input_13=1, input_14=5, input_15=13, input_16=20, input_17=0, input_18=37, input_19=48, input_2=0, input_20=38, input_21=0, input_22=1, input_23=34, input_24=1, input_25=0, input_26=0, input_28=0, input_29=0, input_30=0, input_31=31, input_32=60, input_33=1, input_35=31, input_36=56, input_37=30, input_38=51, input_39=6, input_4=22, input_40=58, input_41=1, input_42=10, input_43=17, input_44=12, input_45=39, input_46=44, input_48=41, input_49=28, input_5=1, input_50=9, input_51=55, input_52=3, input_53=16, input_54=36, input_55=53, input_57=7, input_58=47, input_59=23, input_60=11, input_61=21, input_62=8, input_63=33, input_64=40, input_65=57, input_66=59, input_67=42, input_68=15, input_69=4, input_7=1, input_70=52, input_71=25, input_72=49, input_73=26, input_74=14, input_75=35, input_76=18, input_77=61, input_78=2, input_79=24, input_8=0, input_80=29, input_81=46, input_82=1, input_83=54, input_84=50, input_85=43, input_86=32, input_87=19, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1111=4294967295, mask_SORT_1259=4294967295, mask_SORT_1301=4294967295, mask_SORT_1306=4294967295, mask_SORT_1309=4294967295, mask_SORT_1312=4294967295, mask_SORT_1317=4294967295, mask_SORT_246=511, mask_SORT_248=1023, mask_SORT_250=2047, mask_SORT_252=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3025=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_587=16383, mask_SORT_589=65535, mask_SORT_591=4294967295, mask_SORT_593=4294967295, mask_SORT_595=4294967295, mask_SORT_6=15, mask_SORT_634=1, mask_SORT_791=8191, mask_SORT_794=32767, mask_SORT_797=4294967295, mask_SORT_799=4294967295, mask_SORT_890=4294967295, mask_SORT_892=4294967295, mask_SORT_894=4294967295, mask_SORT_9=255, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1111=4194304, msb_SORT_1259=33554432, msb_SORT_1301=16777216, msb_SORT_1306=67108864, msb_SORT_1309=134217728, msb_SORT_1312=268435456, msb_SORT_1317=1073741824, msb_SORT_246=256, msb_SORT_248=512, msb_SORT_250=1024, msb_SORT_252=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3025=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_587=8192, msb_SORT_589=32768, msb_SORT_591=2097152, msb_SORT_593=8388608, msb_SORT_595=536870912, msb_SORT_6=8, msb_SORT_634=4294967296, msb_SORT_791=4096, msb_SORT_794=16384, msb_SORT_797=65536, msb_SORT_799=131072, msb_SORT_890=262144, msb_SORT_892=524288, msb_SORT_894=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_174=0, state_3034=0, state_3038=0, state_3047=0, state_3051=0, state_3064=0, state_3067=0, state_399=0, state_481=0, state_494=0, state_517=0, state_562=0, state_565=0, state_568=0, state_571=0, state_574=0, state_577=0, state_580=0, state_583=0, state_613=0, state_631=0, state_89=0, state_92=0, state_94=0, state_97=0, var_104=1, var_111=0, var_119=3, var_121=2, var_123=1, var_1251=8, var_1260=0, var_127=1, var_130=3, var_133=2, var_1346=255, var_1350=1, var_137=5, var_140=7, var_143=6, var_1466=0, var_147=4, var_173=0, var_194=11, var_196=10, var_198=2, var_200=9, var_215=21, var_217=20, var_219=19, var_221=18, var_223=17, var_225=16, var_227=15, var_229=14, var_231=8, var_233=6, var_235=3, var_237=5, var_2378=0, var_2405=1, var_2408=3, var_2411=2, var_2415=5, var_2418=7, var_2421=6, var_2425=4, var_2431=9, var_2434=11, var_2437=10, var_2441=13, var_2444=15, var_2447=14, var_2451=12, var_255=4, var_257=1, var_2637=0, var_267=7, var_285=13, var_293=12, var_3027=0, var_3050=0, var_314=23, var_317=22, var_326=25, var_329=27, var_332=26, var_336=29, var_339=31, var_342=30, var_346=28, var_352=24, var_375=0, var_451=3, var_493=0, var_516=0, var_635=0, var_804=2, var_807=1, var_88=0, var_91_arg_0=0, var_96_arg_0=0, var_96_arg_0 ? var_96_arg_1 : var_96_arg_2=1, var_96_arg_1=0, var_96_arg_2=1] [L467] SORT_3 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L468] var_96 = var_96 & mask_SORT_3 [L469] SORT_3 var_99_arg_0 = state_94; [L470] SORT_3 var_99_arg_1 = state_97; [L471] SORT_3 var_99_arg_2 = input_41; VAL [init_109_arg_1=0, init_113_arg_1=0, init_175_arg_1=0, init_3035_arg_1=0, init_3039_arg_1=0, init_3048_arg_1=0, init_3052_arg_1=0, init_3065_arg_1=0, init_3068_arg_1=0, init_400_arg_1=0, init_482_arg_1=0, init_495_arg_1=0, init_518_arg_1=0, init_563_arg_1=0, init_566_arg_1=0, init_569_arg_1=0, init_572_arg_1=0, init_575_arg_1=0, init_578_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_614_arg_1=0, init_632_arg_1=0, init_90_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_98_arg_1=0, input_10=45, input_12=27, input_13=1, input_14=5, input_15=13, input_16=20, input_17=0, input_18=37, input_19=48, input_2=0, input_20=38, input_21=0, input_22=1, input_23=34, input_24=1, input_25=0, input_26=0, input_28=0, input_29=0, input_30=0, input_31=31, input_32=60, input_33=1, input_35=31, input_36=56, input_37=30, input_38=51, input_39=6, input_4=22, input_40=58, input_41=1, input_42=10, input_43=17, input_44=12, input_45=39, input_46=44, input_48=41, input_49=28, input_5=1, input_50=9, input_51=55, input_52=3, input_53=16, input_54=36, input_55=53, input_57=7, input_58=47, input_59=23, input_60=11, input_61=21, input_62=8, input_63=33, input_64=40, input_65=57, input_66=59, input_67=42, input_68=15, input_69=4, input_7=1, input_70=52, input_71=25, input_72=49, input_73=26, input_74=14, input_75=35, input_76=18, input_77=61, input_78=2, input_79=24, input_8=0, input_80=29, input_81=46, input_82=1, input_83=54, input_84=50, input_85=43, input_86=32, input_87=19, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1111=4294967295, mask_SORT_1259=4294967295, mask_SORT_1301=4294967295, mask_SORT_1306=4294967295, mask_SORT_1309=4294967295, mask_SORT_1312=4294967295, mask_SORT_1317=4294967295, mask_SORT_246=511, mask_SORT_248=1023, mask_SORT_250=2047, mask_SORT_252=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3025=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_587=16383, mask_SORT_589=65535, mask_SORT_591=4294967295, mask_SORT_593=4294967295, mask_SORT_595=4294967295, mask_SORT_6=15, mask_SORT_634=1, mask_SORT_791=8191, mask_SORT_794=32767, mask_SORT_797=4294967295, mask_SORT_799=4294967295, mask_SORT_890=4294967295, mask_SORT_892=4294967295, mask_SORT_894=4294967295, mask_SORT_9=255, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1111=4194304, msb_SORT_1259=33554432, msb_SORT_1301=16777216, msb_SORT_1306=67108864, msb_SORT_1309=134217728, msb_SORT_1312=268435456, msb_SORT_1317=1073741824, msb_SORT_246=256, msb_SORT_248=512, msb_SORT_250=1024, msb_SORT_252=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3025=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_587=8192, msb_SORT_589=32768, msb_SORT_591=2097152, msb_SORT_593=8388608, msb_SORT_595=536870912, msb_SORT_6=8, msb_SORT_634=4294967296, msb_SORT_791=4096, msb_SORT_794=16384, msb_SORT_797=65536, msb_SORT_799=131072, msb_SORT_890=262144, msb_SORT_892=524288, msb_SORT_894=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_174=0, state_3034=0, state_3038=0, state_3047=0, state_3051=0, state_3064=0, state_3067=0, state_399=0, state_481=0, state_494=0, state_517=0, state_562=0, state_565=0, state_568=0, state_571=0, state_574=0, state_577=0, state_580=0, state_583=0, state_613=0, state_631=0, state_89=0, state_92=0, state_94=0, state_97=0, var_104=1, var_111=0, var_119=3, var_121=2, var_123=1, var_1251=8, var_1260=0, var_127=1, var_130=3, var_133=2, var_1346=255, var_1350=1, var_137=5, var_140=7, var_143=6, var_1466=0, var_147=4, var_173=0, var_194=11, var_196=10, var_198=2, var_200=9, var_215=21, var_217=20, var_219=19, var_221=18, var_223=17, var_225=16, var_227=15, var_229=14, var_231=8, var_233=6, var_235=3, var_237=5, var_2378=0, var_2405=1, var_2408=3, var_2411=2, var_2415=5, var_2418=7, var_2421=6, var_2425=4, var_2431=9, var_2434=11, var_2437=10, var_2441=13, var_2444=15, var_2447=14, var_2451=12, var_255=4, var_257=1, var_2637=0, var_267=7, var_285=13, var_293=12, var_3027=0, var_3050=0, var_314=23, var_317=22, var_326=25, var_329=27, var_332=26, var_336=29, var_339=31, var_342=30, var_346=28, var_352=24, var_375=0, var_451=3, var_493=0, var_516=0, var_635=0, var_804=2, var_807=1, var_88=0, var_91_arg_0=0, var_96=1, var_96_arg_0=0, var_96_arg_1=0, var_96_arg_2=1, var_99_arg_0=0, var_99_arg_1=0, var_99_arg_2=1] [L472] EXPR var_99_arg_0 ? var_99_arg_1 : var_99_arg_2 VAL [init_109_arg_1=0, init_113_arg_1=0, init_175_arg_1=0, init_3035_arg_1=0, init_3039_arg_1=0, init_3048_arg_1=0, init_3052_arg_1=0, init_3065_arg_1=0, init_3068_arg_1=0, init_400_arg_1=0, init_482_arg_1=0, init_495_arg_1=0, init_518_arg_1=0, init_563_arg_1=0, init_566_arg_1=0, init_569_arg_1=0, init_572_arg_1=0, init_575_arg_1=0, init_578_arg_1=0, init_581_arg_1=0, init_584_arg_1=0, init_614_arg_1=0, init_632_arg_1=0, init_90_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_98_arg_1=0, input_10=45, input_12=27, input_13=1, input_14=5, input_15=13, input_16=20, input_17=0, input_18=37, input_19=48, input_2=0, input_20=38, input_21=0, input_22=1, input_23=34, input_24=1, input_25=0, input_26=0, input_28=0, input_29=0, input_30=0, input_31=31, input_32=60, input_33=1, input_35=31, input_36=56, input_37=30, input_38=51, input_39=6, input_4=22, input_40=58, input_41=1, input_42=10, input_43=17, input_44=12, input_45=39, input_46=44, input_48=41, input_49=28, input_5=1, input_50=9, input_51=55, input_52=3, input_53=16, input_54=36, input_55=53, input_57=7, input_58=47, input_59=23, input_60=11, input_61=21, input_62=8, input_63=33, input_64=40, input_65=57, input_66=59, input_67=42, input_68=15, input_69=4, input_7=1, input_70=52, input_71=25, input_72=49, input_73=26, input_74=14, input_75=35, input_76=18, input_77=61, input_78=2, input_79=24, input_8=0, input_80=29, input_81=46, input_82=1, input_83=54, input_84=50, input_85=43, input_86=32, input_87=19, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1111=4294967295, mask_SORT_1259=4294967295, mask_SORT_1301=4294967295, mask_SORT_1306=4294967295, mask_SORT_1309=4294967295, mask_SORT_1312=4294967295, mask_SORT_1317=4294967295, mask_SORT_246=511, mask_SORT_248=1023, mask_SORT_250=2047, mask_SORT_252=4095, mask_SORT_27=7, mask_SORT_3=1, mask_SORT_3025=18446744073709551615, mask_SORT_34=31, mask_SORT_47=63, mask_SORT_56=127, mask_SORT_587=16383, mask_SORT_589=65535, mask_SORT_591=4294967295, mask_SORT_593=4294967295, mask_SORT_595=4294967295, mask_SORT_6=15, mask_SORT_634=1, mask_SORT_791=8191, mask_SORT_794=32767, mask_SORT_797=4294967295, mask_SORT_799=4294967295, mask_SORT_890=4294967295, mask_SORT_892=4294967295, mask_SORT_894=4294967295, mask_SORT_9=255, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1111=4194304, msb_SORT_1259=33554432, msb_SORT_1301=16777216, msb_SORT_1306=67108864, msb_SORT_1309=134217728, msb_SORT_1312=268435456, msb_SORT_1317=1073741824, msb_SORT_246=256, msb_SORT_248=512, msb_SORT_250=1024, msb_SORT_252=2048, msb_SORT_27=4, msb_SORT_3=1, msb_SORT_3025=8589934592, msb_SORT_34=16, msb_SORT_47=32, msb_SORT_56=64, msb_SORT_587=8192, msb_SORT_589=32768, msb_SORT_591=2097152, msb_SORT_593=8388608, msb_SORT_595=536870912, msb_SORT_6=8, msb_SORT_634=4294967296, msb_SORT_791=4096, msb_SORT_794=16384, msb_SORT_797=65536, msb_SORT_799=131072, msb_SORT_890=262144, msb_SORT_892=524288, msb_SORT_894=1048576, msb_SORT_9=128, state_108=0, state_112=0, state_174=0, state_3034=0, state_3038=0, state_3047=0, state_3051=0, state_3064=0, state_3067=0, state_399=0, state_481=0, state_494=0, state_517=0, state_562=0, state_565=0, state_568=0, state_571=0, state_574=0, state_577=0, state_580=0, state_583=0, state_613=0, state_631=0, state_89=0, state_92=0, state_94=0, state_97=0, var_104=1, var_111=0, var_119=3, var_121=2, var_123=1, var_1251=8, var_1260=0, var_127=1, var_130=3, var_133=2, var_1346=255, var_1350=1, var_137=5, var_140=7, var_143=6, var_1466=0, var_147=4, var_173=0, var_194=11, var_196=10, var_198=2, var_200=9, var_215=21, var_217=20, var_219=19, var_221=18, var_223=17, var_225=16, var_227=15, var_229=14, var_231=8, var_233=6, var_235=3, var_237=5, var_2378=0, var_2405=1, var_2408=3, var_2411=2, var_2415=5, var_2418=7, var_2421=6, var_2425=4, var_2431=9, var_2434=11, var_2437=10, var_2441=13, var_2444=15, var_2447=14, var_2451=12, var_255=4, var_257=1, var_2637=0, var_267=7, var_285=13, var_293=12, var_3027=0, var_3050=0, var_314=23, var_317=22, var_326=25, var_329=27, var_332=26, var_336=29, var_339=31, var_342=30, var_346=28, var_352=24, var_375=0, var_451=3, var_493=0, var_516=0, var_635=0, var_804=2, var_807=1, var_88=0, var_91_arg_0=0, var_96=1, var_96_arg_0=0, var_96_arg_1=0, var_96_arg_2=1, var_99_arg_0=0, var_99_arg_0 ? var_99_arg_1 : var_99_arg_2=1, var_99_arg_1=0, var_99_arg_2=1] [L472] SORT_3 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L473] var_99 = var_99 & mask_SORT_3 [L474] SORT_3 var_100_arg_0 = var_96; [L475] SORT_3 var_100_arg_1 = var_99; [L476] SORT_3 var_100 = var_100_arg_0 == var_100_arg_1; [L477] SORT_3 var_101_arg_0 = var_91; [L478] SORT_3 var_101_arg_1 = var_100; [L479] SORT_3 var_101 = var_101_arg_0 | var_101_arg_1; [L480] SORT_3 var_105_arg_0 = var_101; [L481] SORT_3 var_105 = ~var_105_arg_0; [L482] SORT_3 var_106_arg_0 = var_104; [L483] SORT_3 var_106_arg_1 = var_105; [L484] SORT_3 var_106 = var_106_arg_0 & var_106_arg_1; [L485] var_106 = var_106 & mask_SORT_3 [L486] SORT_3 bad_107_arg_0 = var_106; [L487] CALL __VERIFIER_assert(!(bad_107_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6645 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6645 mSDsluCounter, 9885 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6601 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3284 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1117occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2220 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:30:08,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1649a98063a717e85aeb2bb52807a9512cd2d6fe54bb25e96cb796483c7113ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:30:11,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:11,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:11,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:11,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:11,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:11,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:11,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:11,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:11,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:11,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:11,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:11,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:11,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:11,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:11,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:11,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:11,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:11,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:11,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:11,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:11,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:11,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:11,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:11,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:11,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:11,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:11,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:11,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:11,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:11,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:11,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:11,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:11,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:11,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:11,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:11,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:11,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:11,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:11,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:11,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:11,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:30:11,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:11,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:11,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:11,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:11,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:11,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:11,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:11,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:11,403 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:11,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:11,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:11,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:11,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:11,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:11,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:30:11,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:30:11,405 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:30:11,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:11,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:11,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:11,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:11,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:11,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:11,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:11,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:11,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:11,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:11,408 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:30:11,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:30:11,408 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:11,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:11,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:11,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:30:11,409 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1649a98063a717e85aeb2bb52807a9512cd2d6fe54bb25e96cb796483c7113ec [2022-11-02 20:30:11,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:11,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:11,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:11,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:11,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:11,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c [2022-11-02 20:30:12,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/85e6336dc/7eb73cc6eab84bbeb0f22299481bf003/FLAGe529e10f6 [2022-11-02 20:30:13,065 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:13,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c [2022-11-02 20:30:13,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/85e6336dc/7eb73cc6eab84bbeb0f22299481bf003/FLAGe529e10f6 [2022-11-02 20:30:13,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/data/85e6336dc/7eb73cc6eab84bbeb0f22299481bf003 [2022-11-02 20:30:13,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:13,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:13,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:13,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:13,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:13,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:13" (1/1) ... [2022-11-02 20:30:13,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f1ef14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:13, skipping insertion in model container [2022-11-02 20:30:13,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:13" (1/1) ... [2022-11-02 20:30:13,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:13,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:14,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c[1107,1120] [2022-11-02 20:30:15,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:15,304 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:15,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal91.c[1107,1120] [2022-11-02 20:30:16,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:16,088 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:16,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16 WrapperNode [2022-11-02 20:30:16,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:16,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:16,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:16,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:16,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:16,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:16,832 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12877 [2022-11-02 20:30:16,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:16,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:16,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:16,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:16,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:16,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:16,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:16,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:17,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:17,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:17,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:17,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (1/1) ... [2022-11-02 20:30:17,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:17,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:17,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:17,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:19,358 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:19,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:27,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:27,614 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:27,623 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:30:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:27 BoogieIcfgContainer [2022-11-02 20:30:27,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:27,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:27,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:27,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:27,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:13" (1/3) ... [2022-11-02 20:30:27,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caf6aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:27, skipping insertion in model container [2022-11-02 20:30:27,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:16" (2/3) ... [2022-11-02 20:30:27,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caf6aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:27, skipping insertion in model container [2022-11-02 20:30:27,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:27" (3/3) ... [2022-11-02 20:30:27,645 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal91.c [2022-11-02 20:30:27,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:27,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:27,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:27,810 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4974ad9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:27,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 1117 states, 1115 states have (on average 1.4995515695067265) internal successors, (1672), 1116 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:27,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:27,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:27,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 20:30:27,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:27,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842474134] [2022-11-02 20:30:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:27,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:27,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:27,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:30:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:29,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:30:29,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:30,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:30,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:30,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842474134] [2022-11-02 20:30:30,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842474134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:30,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:30,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:30,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146649766] [2022-11-02 20:30:30,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:30,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:30,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:30,080 INFO L87 Difference]: Start difference. First operand has 1117 states, 1115 states have (on average 1.4995515695067265) internal successors, (1672), 1116 states have internal predecessors, (1672), 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:30,605 INFO L93 Difference]: Finished difference Result 4449 states and 6671 transitions. [2022-11-02 20:30:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:30,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-11-02 20:30:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:30,643 INFO L225 Difference]: With dead ends: 4449 [2022-11-02 20:30:30,643 INFO L226 Difference]: Without dead ends: 3334 [2022-11-02 20:30:30,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:30,661 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 4985 mSDsluCounter, 4937 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4985 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:30,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4985 Valid, 6578 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:30:30,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2022-11-02 20:30:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 1115. [2022-11-02 20:30:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 1.497307001795332) internal successors, (1668), 1114 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1668 transitions. [2022-11-02 20:30:30,798 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1668 transitions. Word has length 9 [2022-11-02 20:30:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:30,799 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1668 transitions. [2022-11-02 20:30:30,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1668 transitions. [2022-11-02 20:30:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:30,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:30,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:30,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:31,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:31,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:31,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 20:30:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:31,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075660224] [2022-11-02 20:30:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:31,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:31,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:30:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:32,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:30:32,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:32,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:32,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:32,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075660224] [2022-11-02 20:30:32,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075660224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:32,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:32,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:32,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480615706] [2022-11-02 20:30:32,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:32,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:32,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:32,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:32,916 INFO L87 Difference]: Start difference. First operand 1115 states and 1668 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:33,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:33,278 INFO L93 Difference]: Finished difference Result 4445 states and 6655 transitions. [2022-11-02 20:30:33,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:33,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2022-11-02 20:30:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:33,291 INFO L225 Difference]: With dead ends: 4445 [2022-11-02 20:30:33,292 INFO L226 Difference]: Without dead ends: 3334 [2022-11-02 20:30:33,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:33,296 INFO L413 NwaCegarLoop]: 1643 mSDtfsCounter, 4979 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4979 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:33,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4979 Valid, 6577 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:30:33,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2022-11-02 20:30:33,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 1117. [2022-11-02 20:30:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1116 states have (on average 1.496415770609319) internal successors, (1670), 1116 states have internal predecessors, (1670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1670 transitions. [2022-11-02 20:30:33,340 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1670 transitions. Word has length 9 [2022-11-02 20:30:33,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:33,340 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1670 transitions. [2022-11-02 20:30:33,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1670 transitions. [2022-11-02 20:30:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:30:33,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:33,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:33,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:33,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:33,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 20:30:33,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:33,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398720736] [2022-11-02 20:30:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:33,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:33,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:30:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:35,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 20:30:35,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:35,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:35,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:35,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398720736] [2022-11-02 20:30:35,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398720736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:35,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:35,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:30:35,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361593508] [2022-11-02 20:30:35,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:35,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:30:35,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:35,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:30:35,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:35,658 INFO L87 Difference]: Start difference. First operand 1117 states and 1670 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:37,731 INFO L93 Difference]: Finished difference Result 2229 states and 3335 transitions. [2022-11-02 20:30:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:30:37,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 9 [2022-11-02 20:30:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:37,746 INFO L225 Difference]: With dead ends: 2229 [2022-11-02 20:30:37,746 INFO L226 Difference]: Without dead ends: 2227 [2022-11-02 20:30:37,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:30:37,752 INFO L413 NwaCegarLoop]: 1612 mSDtfsCounter, 4975 mSDsluCounter, 4876 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4975 SdHoareTripleChecker+Valid, 6488 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:37,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4975 Valid, 6488 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-02 20:30:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-11-02 20:30:37,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1119. [2022-11-02 20:30:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1118 states have (on average 1.4955277280858676) internal successors, (1672), 1118 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1672 transitions. [2022-11-02 20:30:37,801 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1672 transitions. Word has length 9 [2022-11-02 20:30:37,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:37,801 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1672 transitions. [2022-11-02 20:30:37,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1672 transitions. [2022-11-02 20:30:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:30:37,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:37,863 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:37,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:38,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:38,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1866269611, now seen corresponding path program 1 times [2022-11-02 20:30:38,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:38,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802963522] [2022-11-02 20:30:38,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:38,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:38,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:38,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:38,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:30:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:43,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:30:43,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:43,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:43,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:43,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802963522] [2022-11-02 20:30:43,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802963522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:43,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:43,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:43,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948084374] [2022-11-02 20:30:43,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:43,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:43,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:43,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:43,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:43,389 INFO L87 Difference]: Start difference. First operand 1119 states and 1672 transitions. Second operand has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:43,723 INFO L93 Difference]: Finished difference Result 4443 states and 6652 transitions. [2022-11-02 20:30:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:30:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:43,737 INFO L225 Difference]: With dead ends: 4443 [2022-11-02 20:30:43,737 INFO L226 Difference]: Without dead ends: 3332 [2022-11-02 20:30:43,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:43,742 INFO L413 NwaCegarLoop]: 1647 mSDtfsCounter, 4965 mSDsluCounter, 4927 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4965 SdHoareTripleChecker+Valid, 6574 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:43,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4965 Valid, 6574 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:30:43,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-11-02 20:30:43,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 1121. [2022-11-02 20:30:43,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1120 states have (on average 1.4946428571428572) internal successors, (1674), 1120 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1674 transitions. [2022-11-02 20:30:43,787 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1674 transitions. Word has length 1118 [2022-11-02 20:30:43,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:43,788 INFO L495 AbstractCegarLoop]: Abstraction has 1121 states and 1674 transitions. [2022-11-02 20:30:43,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1674 transitions. [2022-11-02 20:30:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:30:43,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:43,812 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:43,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:44,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:44,027 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:44,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:44,028 INFO L85 PathProgramCache]: Analyzing trace with hash 789239639, now seen corresponding path program 1 times [2022-11-02 20:30:44,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:44,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764437663] [2022-11-02 20:30:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:44,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:44,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:30:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:48,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:30:48,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:49,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:49,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:49,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764437663] [2022-11-02 20:30:49,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764437663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:49,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:49,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:49,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639407476] [2022-11-02 20:30:49,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:49,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:49,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:49,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:49,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:49,080 INFO L87 Difference]: Start difference. First operand 1121 states and 1674 transitions. Second operand has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:49,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:49,431 INFO L93 Difference]: Finished difference Result 4443 states and 6651 transitions. [2022-11-02 20:30:49,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:30:49,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:30:49,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:49,444 INFO L225 Difference]: With dead ends: 4443 [2022-11-02 20:30:49,444 INFO L226 Difference]: Without dead ends: 3332 [2022-11-02 20:30:49,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:49,449 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 4959 mSDsluCounter, 4924 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4959 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:49,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4959 Valid, 6573 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:30:49,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-11-02 20:30:49,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 1123. [2022-11-02 20:30:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1122 states have (on average 1.4937611408199643) internal successors, (1676), 1122 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1676 transitions. [2022-11-02 20:30:49,507 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1676 transitions. Word has length 1118 [2022-11-02 20:30:49,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:49,508 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1676 transitions. [2022-11-02 20:30:49,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1676 transitions. [2022-11-02 20:30:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:30:49,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:49,535 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:49,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:49,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:49,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:49,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:49,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2083621593, now seen corresponding path program 1 times [2022-11-02 20:30:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:49,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165007410] [2022-11-02 20:30:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:49,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:49,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:49,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:49,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:30:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:54,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:30:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:30:54,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:54,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:30:54,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1165007410] [2022-11-02 20:30:54,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1165007410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:54,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:54,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:30:54,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685672013] [2022-11-02 20:30:54,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:54,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:30:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:30:54,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:30:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:30:54,679 INFO L87 Difference]: Start difference. First operand 1123 states and 1676 transitions. Second operand has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:55,345 INFO L93 Difference]: Finished difference Result 2245 states and 3356 transitions. [2022-11-02 20:30:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:30:55,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:30:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:55,351 INFO L225 Difference]: With dead ends: 2245 [2022-11-02 20:30:55,351 INFO L226 Difference]: Without dead ends: 1134 [2022-11-02 20:30:55,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:55,358 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 3305 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:55,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 1604 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:30:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-11-02 20:30:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1123. [2022-11-02 20:30:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1122 states have (on average 1.4928698752228164) internal successors, (1675), 1122 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1675 transitions. [2022-11-02 20:30:55,395 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1675 transitions. Word has length 1118 [2022-11-02 20:30:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:55,396 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1675 transitions. [2022-11-02 20:30:55,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1675 transitions. [2022-11-02 20:30:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:30:55,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:55,414 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:55,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:55,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:30:55,639 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:55,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:55,640 INFO L85 PathProgramCache]: Analyzing trace with hash -818417317, now seen corresponding path program 1 times [2022-11-02 20:30:55,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:30:55,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880672304] [2022-11-02 20:30:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:55,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:30:55,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:30:55,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:30:55,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:31:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:00,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:31:00,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:00,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:00,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:00,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880672304] [2022-11-02 20:31:00,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880672304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:00,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:00,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:00,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671474769] [2022-11-02 20:31:00,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:00,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:00,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:00,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:00,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:00,723 INFO L87 Difference]: Start difference. First operand 1123 states and 1675 transitions. Second operand has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:01,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:01,410 INFO L93 Difference]: Finished difference Result 2249 states and 3359 transitions. [2022-11-02 20:31:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:31:01,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:31:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:01,416 INFO L225 Difference]: With dead ends: 2249 [2022-11-02 20:31:01,417 INFO L226 Difference]: Without dead ends: 1138 [2022-11-02 20:31:01,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:01,419 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 3299 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:01,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 1611 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:31:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2022-11-02 20:31:01,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1123. [2022-11-02 20:31:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1122 states have (on average 1.4919786096256684) internal successors, (1674), 1122 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1674 transitions. [2022-11-02 20:31:01,448 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1674 transitions. Word has length 1118 [2022-11-02 20:31:01,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:01,448 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1674 transitions. [2022-11-02 20:31:01,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1674 transitions. [2022-11-02 20:31:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:31:01,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:01,463 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:01,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:01,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:01,678 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:01,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1024857891, now seen corresponding path program 1 times [2022-11-02 20:31:01,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:01,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697030807] [2022-11-02 20:31:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:01,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:01,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:01,693 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:31:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:06,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:31:06,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:06,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:06,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:06,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697030807] [2022-11-02 20:31:06,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697030807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:06,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:06,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:31:06,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010569350] [2022-11-02 20:31:06,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:06,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:31:06,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:06,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:31:06,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:31:06,902 INFO L87 Difference]: Start difference. First operand 1123 states and 1674 transitions. Second operand has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:07,593 INFO L93 Difference]: Finished difference Result 2253 states and 3362 transitions. [2022-11-02 20:31:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:31:07,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:31:07,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:07,600 INFO L225 Difference]: With dead ends: 2253 [2022-11-02 20:31:07,600 INFO L226 Difference]: Without dead ends: 1142 [2022-11-02 20:31:07,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:31:07,603 INFO L413 NwaCegarLoop]: 1585 mSDtfsCounter, 3293 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:07,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 1616 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:31:07,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-11-02 20:31:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1123. [2022-11-02 20:31:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1122 states have (on average 1.4910873440285204) internal successors, (1673), 1122 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1673 transitions. [2022-11-02 20:31:07,632 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1673 transitions. Word has length 1118 [2022-11-02 20:31:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:07,633 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1673 transitions. [2022-11-02 20:31:07,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 279.5) internal successors, (1118), 4 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1673 transitions. [2022-11-02 20:31:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:31:07,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:07,648 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:07,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:07,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:07,864 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1438118239, now seen corresponding path program 1 times [2022-11-02 20:31:07,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:07,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035170134] [2022-11-02 20:31:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:07,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:07,878 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:07,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:31:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:12,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:31:12,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:31:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:31:13,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:31:13,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:31:13,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035170134] [2022-11-02 20:31:13,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035170134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:13,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:13,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:31:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118641575] [2022-11-02 20:31:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:13,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:31:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:31:13,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:31:13,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:31:13,358 INFO L87 Difference]: Start difference. First operand 1123 states and 1673 transitions. Second operand has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:14,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:14,172 INFO L93 Difference]: Finished difference Result 4478 states and 6684 transitions. [2022-11-02 20:31:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:31:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 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) Word has length 1118 [2022-11-02 20:31:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:14,183 INFO L225 Difference]: With dead ends: 4478 [2022-11-02 20:31:14,184 INFO L226 Difference]: Without dead ends: 3367 [2022-11-02 20:31:14,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:31:14,187 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 11533 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11533 SdHoareTripleChecker+Valid, 6737 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:14,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11533 Valid, 6737 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:31:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2022-11-02 20:31:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 1125. [2022-11-02 20:31:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 1124 states have (on average 1.4902135231316727) internal successors, (1675), 1124 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1675 transitions. [2022-11-02 20:31:14,230 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1675 transitions. Word has length 1118 [2022-11-02 20:31:14,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:14,231 INFO L495 AbstractCegarLoop]: Abstraction has 1125 states and 1675 transitions. [2022-11-02 20:31:14,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:31:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1675 transitions. [2022-11-02 20:31:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2022-11-02 20:31:14,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:14,246 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:14,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:31:14,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:31:14,471 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:14,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2077164385, now seen corresponding path program 1 times [2022-11-02 20:31:14,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:31:14,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806905048] [2022-11-02 20:31:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:31:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:31:14,482 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:31:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_094f1e27-4d43-4fda-8e87-6a9db6b25a97/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process