./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 22:55:35,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 22:55:35,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 22:55:35,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 22:55:35,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 22:55:35,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 22:55:35,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 22:55:35,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 22:55:35,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 22:55:35,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 22:55:35,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 22:55:35,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 22:55:35,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 22:55:35,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 22:55:35,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 22:55:35,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 22:55:35,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 22:55:35,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 22:55:35,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 22:55:35,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 22:55:35,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 22:55:35,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 22:55:35,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 22:55:35,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 22:55:35,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 22:55:35,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 22:55:35,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 22:55:35,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 22:55:35,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 22:55:35,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 22:55:35,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 22:55:35,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 22:55:35,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 22:55:35,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 22:55:35,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 22:55:35,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 22:55:35,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 22:55:35,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 22:55:35,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 22:55:35,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 22:55:35,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 22:55:35,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 22:55:35,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 22:55:35,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 22:55:35,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 22:55:35,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 22:55:35,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 22:55:35,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 22:55:35,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 22:55:35,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 22:55:35,164 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 22:55:35,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 22:55:35,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 22:55:35,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 22:55:35,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 22:55:35,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 22:55:35,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 22:55:35,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 22:55:35,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 22:55:35,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 22:55:35,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 22:55:35,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 22:55:35,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 22:55:35,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:55:35,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 22:55:35,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 22:55:35,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 22:55:35,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 22:55:35,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 22:55:35,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 22:55:35,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 22:55:35,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 22:55:35,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 22:55:35,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e161bf665c83935d804e4a6c9c0991c63b86e29f86a0454f154d0af3adfb44c2 [2021-11-16 22:55:35,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 22:55:35,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 22:55:35,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 22:55:35,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 22:55:35,442 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 22:55:35,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-16 22:55:35,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70931a635/98a79b8af7d54f94aef3dd7fbeeec9f5/FLAGcc0e8ce72 [2021-11-16 22:55:36,273 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 22:55:36,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-16 22:55:36,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70931a635/98a79b8af7d54f94aef3dd7fbeeec9f5/FLAGcc0e8ce72 [2021-11-16 22:55:36,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70931a635/98a79b8af7d54f94aef3dd7fbeeec9f5 [2021-11-16 22:55:36,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 22:55:36,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 22:55:36,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 22:55:36,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 22:55:36,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 22:55:36,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:36" (1/1) ... [2021-11-16 22:55:36,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5d6890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:36, skipping insertion in model container [2021-11-16 22:55:36,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:36" (1/1) ... [2021-11-16 22:55:36,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 22:55:36,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 22:55:39,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-16 22:55:39,151 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:55:39,217 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 22:55:39,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2021-11-16 22:55:39,709 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:55:39,856 INFO L208 MainTranslator]: Completed translation [2021-11-16 22:55:39,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39 WrapperNode [2021-11-16 22:55:39,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 22:55:39,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 22:55:39,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 22:55:39,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 22:55:39,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,216 INFO L137 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4497 [2021-11-16 22:55:40,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 22:55:40,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 22:55:40,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 22:55:40,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 22:55:40,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 22:55:40,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 22:55:40,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 22:55:40,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 22:55:40,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (1/1) ... [2021-11-16 22:55:40,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:55:40,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:55:40,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-16 22:55:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-16 22:55:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-16 22:55:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-16 22:55:40,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-16 22:55:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 22:55:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 22:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-16 22:55:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-16 22:55:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-16 22:55:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-16 22:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2021-11-16 22:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2021-11-16 22:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2021-11-16 22:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2021-11-16 22:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-16 22:55:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-16 22:55:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 22:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-16 22:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2021-11-16 22:55:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2021-11-16 22:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-16 22:55:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-16 22:55:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-16 22:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-16 22:55:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-16 22:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2021-11-16 22:55:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2021-11-16 22:55:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-16 22:55:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-16 22:55:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-16 22:55:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-16 22:55:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 22:55:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-16 22:55:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-16 22:55:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2021-11-16 22:55:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2021-11-16 22:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-16 22:55:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-16 22:55:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-16 22:55:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-16 22:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-16 22:55:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-16 22:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2021-11-16 22:55:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2021-11-16 22:55:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-11-16 22:55:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-11-16 22:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 22:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2021-11-16 22:55:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2021-11-16 22:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 22:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-16 22:55:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2021-11-16 22:55:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-16 22:55:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-16 22:55:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 22:55:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-16 22:55:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-16 22:55:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2021-11-16 22:55:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2021-11-16 22:55:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2021-11-16 22:55:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2021-11-16 22:55:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2021-11-16 22:55:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-16 22:55:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-16 22:55:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-16 22:55:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-16 22:55:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2021-11-16 22:55:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2021-11-16 22:55:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-16 22:55:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-16 22:55:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-16 22:55:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-16 22:55:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-16 22:55:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-16 22:55:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2021-11-16 22:55:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2021-11-16 22:55:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 22:55:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 22:55:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-16 22:55:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-16 22:55:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-16 22:55:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-16 22:55:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-16 22:55:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 22:55:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-16 22:55:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-16 22:55:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-16 22:55:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-16 22:55:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-16 22:55:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-16 22:55:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2021-11-16 22:55:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2021-11-16 22:55:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 22:55:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 22:55:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-16 22:55:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-16 22:55:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-16 22:55:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-16 22:55:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-16 22:55:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-16 22:55:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2021-11-16 22:55:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2021-11-16 22:55:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 22:55:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-16 22:55:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-16 22:55:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2021-11-16 22:55:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2021-11-16 22:55:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 22:55:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2021-11-16 22:55:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2021-11-16 22:55:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 22:55:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-16 22:55:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-16 22:55:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2021-11-16 22:55:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2021-11-16 22:55:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-16 22:55:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-16 22:55:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-16 22:55:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-16 22:55:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-16 22:55:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-16 22:55:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2021-11-16 22:55:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2021-11-16 22:55:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-16 22:55:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-16 22:55:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-16 22:55:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-16 22:55:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 22:55:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-16 22:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-16 22:55:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2021-11-16 22:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2021-11-16 22:55:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-16 22:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-16 22:55:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-16 22:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-16 22:55:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2021-11-16 22:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2021-11-16 22:55:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 22:55:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2021-11-16 22:55:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2021-11-16 22:55:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-16 22:55:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-16 22:55:41,342 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 22:55:41,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 22:57:11,793 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 22:57:11,810 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 22:57:11,810 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-16 22:57:11,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:57:11 BoogieIcfgContainer [2021-11-16 22:57:11,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 22:57:11,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 22:57:11,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 22:57:11,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 22:57:11,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:55:36" (1/3) ... [2021-11-16 22:57:11,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cd13d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:57:11, skipping insertion in model container [2021-11-16 22:57:11,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:39" (2/3) ... [2021-11-16 22:57:11,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cd13d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:57:11, skipping insertion in model container [2021-11-16 22:57:11,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:57:11" (3/3) ... [2021-11-16 22:57:11,820 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-16 22:57:11,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 22:57:11,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 22:57:11,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 22:57:11,888 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 22:57:11,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 22:57:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 944 states, 670 states have (on average 1.3597014925373134) internal successors, (911), 682 states have internal predecessors, (911), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) [2021-11-16 22:57:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-16 22:57:11,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:57:11,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:57:11,943 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:57:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:57:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2090032356, now seen corresponding path program 1 times [2021-11-16 22:57:11,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:57:11,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026022956] [2021-11-16 22:57:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:57:11,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:57:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:57:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:57:12,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:57:12,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026022956] [2021-11-16 22:57:12,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026022956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:57:12,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:57:12,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 22:57:12,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371452577] [2021-11-16 22:57:12,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:57:12,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 22:57:12,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:57:12,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 22:57:12,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 22:57:12,952 INFO L87 Difference]: Start difference. First operand has 944 states, 670 states have (on average 1.3597014925373134) internal successors, (911), 682 states have internal predecessors, (911), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:15,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:17,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:20,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:23,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:27,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:57:29,035 INFO L93 Difference]: Finished difference Result 1954 states and 2789 transitions. [2021-11-16 22:57:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:57:29,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-16 22:57:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:57:29,058 INFO L225 Difference]: With dead ends: 1954 [2021-11-16 22:57:29,058 INFO L226 Difference]: Without dead ends: 1010 [2021-11-16 22:57:29,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:57:29,070 INFO L933 BasicCegarLoop]: 1196 mSDtfsCounter, 1154 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 308 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-16 22:57:29,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1264 Valid, 1829 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 707 Invalid, 5 Unknown, 0 Unchecked, 15.7s Time] [2021-11-16 22:57:29,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2021-11-16 22:57:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1003. [2021-11-16 22:57:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 716 states have (on average 1.3463687150837989) internal successors, (964), 725 states have internal predecessors, (964), 214 states have call successors, (214), 74 states have call predecessors, (214), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:57:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1386 transitions. [2021-11-16 22:57:29,193 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1386 transitions. Word has length 12 [2021-11-16 22:57:29,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:57:29,193 INFO L470 AbstractCegarLoop]: Abstraction has 1003 states and 1386 transitions. [2021-11-16 22:57:29,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1386 transitions. [2021-11-16 22:57:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-16 22:57:29,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:57:29,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:57:29,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 22:57:29,195 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:57:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:57:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash -367903860, now seen corresponding path program 1 times [2021-11-16 22:57:29,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:57:29,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800961741] [2021-11-16 22:57:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:57:29,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:57:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:57:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:57:29,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:57:29,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800961741] [2021-11-16 22:57:29,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800961741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:57:29,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:57:29,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 22:57:29,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860087588] [2021-11-16 22:57:29,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:57:29,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 22:57:29,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:57:29,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 22:57:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 22:57:29,682 INFO L87 Difference]: Start difference. First operand 1003 states and 1386 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:31,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:33,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:38,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:39,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:57:39,305 INFO L93 Difference]: Finished difference Result 1009 states and 1391 transitions. [2021-11-16 22:57:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:57:39,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-16 22:57:39,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:57:39,312 INFO L225 Difference]: With dead ends: 1009 [2021-11-16 22:57:39,312 INFO L226 Difference]: Without dead ends: 1006 [2021-11-16 22:57:39,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:57:39,314 INFO L933 BasicCegarLoop]: 1115 mSDtfsCounter, 1421 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 390 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-16 22:57:39,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1540 Valid, 1576 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 416 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2021-11-16 22:57:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2021-11-16 22:57:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1002. [2021-11-16 22:57:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 716 states have (on average 1.344972067039106) internal successors, (963), 724 states have internal predecessors, (963), 213 states have call successors, (213), 74 states have call predecessors, (213), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:57:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1384 transitions. [2021-11-16 22:57:39,359 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1384 transitions. Word has length 13 [2021-11-16 22:57:39,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:57:39,359 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1384 transitions. [2021-11-16 22:57:39,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1384 transitions. [2021-11-16 22:57:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-16 22:57:39,360 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:57:39,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:57:39,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 22:57:39,361 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:57:39,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:57:39,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1478476831, now seen corresponding path program 1 times [2021-11-16 22:57:39,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:57:39,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49414253] [2021-11-16 22:57:39,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:57:39,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:57:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:57:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:57:39,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:57:39,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49414253] [2021-11-16 22:57:39,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49414253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:57:39,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:57:39,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 22:57:39,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859144773] [2021-11-16 22:57:39,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:57:39,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 22:57:39,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:57:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 22:57:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 22:57:39,875 INFO L87 Difference]: Start difference. First operand 1002 states and 1384 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:41,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:44,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:47,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:57:48,793 INFO L93 Difference]: Finished difference Result 1008 states and 1389 transitions. [2021-11-16 22:57:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:57:48,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-16 22:57:48,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:57:48,799 INFO L225 Difference]: With dead ends: 1008 [2021-11-16 22:57:48,799 INFO L226 Difference]: Without dead ends: 1005 [2021-11-16 22:57:48,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:57:48,801 INFO L933 BasicCegarLoop]: 1114 mSDtfsCounter, 1418 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 388 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-16 22:57:48,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1537 Valid, 1575 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 416 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-11-16 22:57:48,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2021-11-16 22:57:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 1001. [2021-11-16 22:57:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 716 states have (on average 1.3435754189944134) internal successors, (962), 723 states have internal predecessors, (962), 212 states have call successors, (212), 74 states have call predecessors, (212), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:57:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1382 transitions. [2021-11-16 22:57:48,843 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1382 transitions. Word has length 14 [2021-11-16 22:57:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:57:48,843 INFO L470 AbstractCegarLoop]: Abstraction has 1001 states and 1382 transitions. [2021-11-16 22:57:48,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1382 transitions. [2021-11-16 22:57:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-16 22:57:48,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:57:48,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:57:48,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 22:57:48,845 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:57:48,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:57:48,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1413259025, now seen corresponding path program 1 times [2021-11-16 22:57:48,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:57:48,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334398328] [2021-11-16 22:57:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:57:48,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:57:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:57:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:57:49,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:57:49,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334398328] [2021-11-16 22:57:49,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334398328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:57:49,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:57:49,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 22:57:49,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97627590] [2021-11-16 22:57:49,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:57:49,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 22:57:49,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:57:49,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 22:57:49,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 22:57:49,286 INFO L87 Difference]: Start difference. First operand 1001 states and 1382 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:51,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:53,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:57,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:57:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:57:58,771 INFO L93 Difference]: Finished difference Result 1007 states and 1387 transitions. [2021-11-16 22:57:58,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:57:58,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-16 22:57:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:57:58,777 INFO L225 Difference]: With dead ends: 1007 [2021-11-16 22:57:58,777 INFO L226 Difference]: Without dead ends: 1004 [2021-11-16 22:57:58,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:57:58,779 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 1415 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 386 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-16 22:57:58,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1534 Valid, 1574 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 414 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2021-11-16 22:57:58,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-11-16 22:57:58,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1000. [2021-11-16 22:57:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 716 states have (on average 1.3421787709497206) internal successors, (961), 722 states have internal predecessors, (961), 211 states have call successors, (211), 74 states have call predecessors, (211), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:57:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1380 transitions. [2021-11-16 22:57:58,824 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1380 transitions. Word has length 15 [2021-11-16 22:57:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:57:58,824 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1380 transitions. [2021-11-16 22:57:58,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:57:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1380 transitions. [2021-11-16 22:57:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-16 22:57:58,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:57:58,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:57:58,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 22:57:58,826 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:57:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:57:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash -862752478, now seen corresponding path program 1 times [2021-11-16 22:57:58,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:57:58,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923629859] [2021-11-16 22:57:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:57:58,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:57:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:57:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:57:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:57:59,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:57:59,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923629859] [2021-11-16 22:57:59,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923629859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:57:59,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:57:59,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 22:57:59,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797030940] [2021-11-16 22:57:59,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:57:59,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 22:57:59,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:57:59,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 22:57:59,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 22:57:59,274 INFO L87 Difference]: Start difference. First operand 1000 states and 1380 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:58:01,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:03,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:07,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:08,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:58:08,964 INFO L93 Difference]: Finished difference Result 1006 states and 1385 transitions. [2021-11-16 22:58:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:58:08,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-16 22:58:08,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:58:08,970 INFO L225 Difference]: With dead ends: 1006 [2021-11-16 22:58:08,970 INFO L226 Difference]: Without dead ends: 997 [2021-11-16 22:58:08,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:58:08,971 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 1412 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 384 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-16 22:58:08,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1531 Valid, 1573 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2021-11-16 22:58:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-16 22:58:09,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 993. [2021-11-16 22:58:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 711 states have (on average 1.3417721518987342) internal successors, (954), 716 states have internal predecessors, (954), 209 states have call successors, (209), 73 states have call predecessors, (209), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:58:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1371 transitions. [2021-11-16 22:58:09,009 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1371 transitions. Word has length 16 [2021-11-16 22:58:09,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:58:09,009 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1371 transitions. [2021-11-16 22:58:09,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 22:58:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1371 transitions. [2021-11-16 22:58:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-16 22:58:09,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:58:09,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:58:09,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-16 22:58:09,014 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:58:09,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:58:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1003721069, now seen corresponding path program 1 times [2021-11-16 22:58:09,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:58:09,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100736471] [2021-11-16 22:58:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:58:09,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:58:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:58:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 22:58:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 22:58:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 22:58:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 22:58:09,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:58:09,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100736471] [2021-11-16 22:58:09,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100736471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:58:09,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:58:09,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-16 22:58:09,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549830224] [2021-11-16 22:58:09,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:58:09,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:58:09,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:58:09,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:58:09,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-16 22:58:09,679 INFO L87 Difference]: Start difference. First operand 993 states and 1371 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-16 22:58:11,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:13,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:15,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:17,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:21,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:26,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:58:27,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:58:27,842 INFO L93 Difference]: Finished difference Result 1000 states and 1377 transitions. [2021-11-16 22:58:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:58:27,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-11-16 22:58:27,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:58:27,848 INFO L225 Difference]: With dead ends: 1000 [2021-11-16 22:58:27,848 INFO L226 Difference]: Without dead ends: 997 [2021-11-16 22:58:27,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:58:27,849 INFO L933 BasicCegarLoop]: 1235 mSDtfsCounter, 748 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 314 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-16 22:58:27,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 2790 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 786 Invalid, 6 Unknown, 0 Unchecked, 17.9s Time] [2021-11-16 22:58:27,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-16 22:58:27,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 993. [2021-11-16 22:58:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 711 states have (on average 1.340365682137834) internal successors, (953), 716 states have internal predecessors, (953), 209 states have call successors, (209), 73 states have call predecessors, (209), 72 states have return successors, (208), 207 states have call predecessors, (208), 207 states have call successors, (208) [2021-11-16 22:58:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1370 transitions. [2021-11-16 22:58:27,936 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1370 transitions. Word has length 51 [2021-11-16 22:58:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:58:27,937 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1370 transitions. [2021-11-16 22:58:27,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-16 22:58:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1370 transitions. [2021-11-16 22:58:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-16 22:58:27,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:58:27,942 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2021-11-16 22:58:27,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-16 22:58:27,943 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:58:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:58:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1646907692, now seen corresponding path program 1 times [2021-11-16 22:58:27,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:58:27,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284012019] [2021-11-16 22:58:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:58:27,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:58:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:58:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 22:58:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 22:58:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 22:58:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-16 22:58:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:58:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 22:58:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 22:58:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 22:58:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-16 22:58:30,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:58:30,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284012019] [2021-11-16 22:58:30,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284012019] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 22:58:30,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081891727] [2021-11-16 22:58:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:58:30,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 22:58:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:58:30,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 22:58:30,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 22:58:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:58:31,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 5634 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-16 22:58:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 22:58:31,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-16 22:58:31,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-16 22:58:57,717 WARN L227 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-16 22:59:56,223 WARN L227 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 1787 DAG size of output: 134 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-16 22:59:56,228 INFO L354 Elim1Store]: treesize reduction 51360, result has 0.6 percent of original size [2021-11-16 22:59:56,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 32 case distinctions, treesize of input 190 treesize of output 313 [2021-11-16 22:59:56,342 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-16 22:59:56,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 310 treesize of output 310 [2021-11-16 23:05:28,739 WARN L227 SmtUtils]: Spent 4.65m on a formula simplification. DAG size of input: 8193 DAG size of output: 265 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-16 23:05:28,740 INFO L354 Elim1Store]: treesize reduction 264800, result has 0.2 percent of original size [2021-11-16 23:05:28,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 33 select indices, 33 select index equivalence classes, 0 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 592 case distinctions, treesize of input 475 treesize of output 694 [2021-11-16 23:05:28,916 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-16 23:05:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 595 treesize of output 597 [2021-11-16 23:05:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-16 23:05:38,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 23:05:49,993 WARN L227 SmtUtils]: Spent 11.95s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:05:59,509 WARN L227 SmtUtils]: Spent 9.52s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:06:19,544 WARN L227 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:06:35,251 WARN L227 SmtUtils]: Spent 15.71s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:06:43,613 WARN L227 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:06:51,652 WARN L227 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:07:11,791 WARN L227 SmtUtils]: Spent 20.14s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:07:25,576 WARN L227 SmtUtils]: Spent 13.78s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:07:33,471 WARN L227 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 209 DAG size of output: 1 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:07:41,595 WARN L227 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:07:49,646 WARN L227 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:08:10,022 WARN L227 SmtUtils]: Spent 20.37s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:08:26,040 WARN L227 SmtUtils]: Spent 16.02s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-16 23:08:45,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081891727] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 23:08:45,815 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-16 23:08:45,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2021-11-16 23:08:45,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130193402] [2021-11-16 23:08:45,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-16 23:08:45,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-16 23:08:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 23:08:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-16 23:08:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=305, Unknown=6, NotChecked=0, Total=380 [2021-11-16 23:08:45,816 INFO L87 Difference]: Start difference. First operand 993 states and 1370 transitions. Second operand has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 14 states have internal predecessors, (80), 4 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 6 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-16 23:08:47,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:08:49,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:08:51,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:08:54,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:08:56,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:08:58,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 23:09:00,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15