./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.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 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 23:45:00,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:45:00,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:45:00,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:45:00,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:45:00,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:45:00,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:45:00,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:45:00,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:45:00,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:45:00,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:45:00,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:45:00,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:45:00,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:45:00,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:45:00,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:45:00,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:45:00,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:45:00,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:45:00,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:45:00,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:45:00,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:45:00,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:45:00,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:45:00,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:45:00,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:45:00,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:45:00,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:45:00,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:45:00,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:45:00,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:45:00,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:45:00,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:45:00,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:45:00,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:45:00,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:45:00,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:45:00,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:45:00,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:45:00,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:45:00,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:45:00,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 23:45:00,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:45:00,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:45:00,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:45:00,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:45:00,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:45:00,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:45:00,548 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:45:00,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:45:00,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:45:00,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:45:00,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:45:00,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:45:00,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:45:00,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:45:00,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:45:00,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:45:00,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:45:00,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:45:00,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:45:00,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:45:00,551 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:45:00,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 23:45:00,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:45:00,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 23:45:00,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2021-11-22 23:45:00,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:45:00,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:45:00,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:45:00,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:45:00,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:45:00,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-22 23:45:00,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f563264d0/d21f6bbb786147189d419a24b246c82b/FLAGb2c350824 [2021-11-22 23:45:01,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:45:01,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-22 23:45:01,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f563264d0/d21f6bbb786147189d419a24b246c82b/FLAGb2c350824 [2021-11-22 23:45:01,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f563264d0/d21f6bbb786147189d419a24b246c82b [2021-11-22 23:45:01,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:45:01,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:45:01,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:45:01,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:45:01,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:45:01,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:01" (1/1) ... [2021-11-22 23:45:01,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbf4822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:01, skipping insertion in model container [2021-11-22 23:45:01,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:01" (1/1) ... [2021-11-22 23:45:01,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:45:01,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:45:02,001 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-11-22 23:45:02,002 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-11-22 23:45:02,215 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-11-22 23:45:02,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:45:02,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:45:03,004 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-11-22 23:45:03,004 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-11-22 23:45:03,010 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-11-22 23:45:03,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:45:03,257 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:45:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03 WrapperNode [2021-11-22 23:45:03,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:45:03,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:45:03,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:45:03,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:45:03,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:03,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,027 INFO L137 Inliner]: procedures = 245, calls = 3249, calls flagged for inlining = 691, calls inlined = 2096, statements flattened = 32795 [2021-11-22 23:45:04,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:45:04,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:45:04,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:45:04,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:45:04,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:04,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:05,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:45:05,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:45:05,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:45:05,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:45:05,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (1/1) ... [2021-11-22 23:45:05,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:45:05,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:45:05,065 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) [2021-11-22 23:45:05,129 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 [2021-11-22 23:45:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2021-11-22 23:45:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2021-11-22 23:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2021-11-22 23:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2021-11-22 23:45:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 23:45:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2021-11-22 23:45:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2021-11-22 23:45:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:45:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2021-11-22 23:45:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2021-11-22 23:45:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-22 23:45:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2021-11-22 23:45:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 23:45:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2021-11-22 23:45:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2021-11-22 23:45:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2021-11-22 23:45:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2021-11-22 23:45:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:45:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2021-11-22 23:45:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 23:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 23:45:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2021-11-22 23:45:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2021-11-22 23:45:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2021-11-22 23:45:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2021-11-22 23:45:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2021-11-22 23:45:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2021-11-22 23:45:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 23:45:05,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-22 23:45:05,145 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2021-11-22 23:45:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2021-11-22 23:45:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:45:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-22 23:45:05,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-22 23:45:05,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:45:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:45:06,227 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:45:06,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:45:18,141 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:45:18,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:45:18,184 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:45:18,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:45:18 BoogieIcfgContainer [2021-11-22 23:45:18,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:45:18,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:45:18,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:45:18,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:45:18,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:45:01" (1/3) ... [2021-11-22 23:45:18,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:45:18, skipping insertion in model container [2021-11-22 23:45:18,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03" (2/3) ... [2021-11-22 23:45:18,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe806f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:45:18, skipping insertion in model container [2021-11-22 23:45:18,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:45:18" (3/3) ... [2021-11-22 23:45:18,208 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-22 23:45:18,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:45:18,212 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 23:45:18,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 23:45:18,271 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 [2021-11-22 23:45:18,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 23:45:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 4937 states, 4867 states have (on average 1.3579206903636738) internal successors, (6609), 4877 states have internal predecessors, (6609), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-22 23:45:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:45:18,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:18,329 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] [2021-11-22 23:45:18,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 186158406, now seen corresponding path program 1 times [2021-11-22 23:45:18,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:18,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027121788] [2021-11-22 23:45:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:18,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:45:18,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:18,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027121788] [2021-11-22 23:45:18,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027121788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:18,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:18,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:45:18,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515746918] [2021-11-22 23:45:18,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:18,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:18,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:18,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:18,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:18,834 INFO L87 Difference]: Start difference. First operand has 4937 states, 4867 states have (on average 1.3579206903636738) internal successors, (6609), 4877 states have internal predecessors, (6609), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:19,242 INFO L93 Difference]: Finished difference Result 14052 states and 19134 transitions. [2021-11-22 23:45:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:19,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 23:45:19,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:19,297 INFO L225 Difference]: With dead ends: 14052 [2021-11-22 23:45:19,297 INFO L226 Difference]: Without dead ends: 8941 [2021-11-22 23:45:19,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:19,331 INFO L933 BasicCegarLoop]: 6724 mSDtfsCounter, 5712 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5712 SdHoareTripleChecker+Valid, 13231 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:19,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5712 Valid, 13231 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 23:45:19,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8941 states. [2021-11-22 23:45:19,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8941 to 8855. [2021-11-22 23:45:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8855 states, 8725 states have (on average 1.3348997134670486) internal successors, (11647), 8738 states have internal predecessors, (11647), 84 states have call successors, (84), 40 states have call predecessors, (84), 40 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-11-22 23:45:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11815 transitions. [2021-11-22 23:45:19,588 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11815 transitions. Word has length 34 [2021-11-22 23:45:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:19,590 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 11815 transitions. [2021-11-22 23:45:19,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:19,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11815 transitions. [2021-11-22 23:45:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:45:19,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:19,603 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 23:45:19,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:45:19,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:19,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -691062986, now seen corresponding path program 1 times [2021-11-22 23:45:19,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:19,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726787882] [2021-11-22 23:45:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:19,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:45:19,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:19,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726787882] [2021-11-22 23:45:19,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726787882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:19,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:19,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:45:19,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380029924] [2021-11-22 23:45:19,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:19,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:19,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:19,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:19,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:19,814 INFO L87 Difference]: Start difference. First operand 8855 states and 11815 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:20,135 INFO L93 Difference]: Finished difference Result 12327 states and 16361 transitions. [2021-11-22 23:45:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:20,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-22 23:45:20,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:20,179 INFO L225 Difference]: With dead ends: 12327 [2021-11-22 23:45:20,180 INFO L226 Difference]: Without dead ends: 12321 [2021-11-22 23:45:20,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:20,189 INFO L933 BasicCegarLoop]: 8229 mSDtfsCounter, 2900 mSDsluCounter, 5669 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2900 SdHoareTripleChecker+Valid, 13898 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:20,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2900 Valid, 13898 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:45:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12321 states. [2021-11-22 23:45:20,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12321 to 9681. [2021-11-22 23:45:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9681 states, 9514 states have (on average 1.3255202858944712) internal successors, (12611), 9530 states have internal predecessors, (12611), 104 states have call successors, (104), 58 states have call predecessors, (104), 58 states have return successors, (136), 104 states have call predecessors, (136), 104 states have call successors, (136) [2021-11-22 23:45:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9681 states to 9681 states and 12851 transitions. [2021-11-22 23:45:20,396 INFO L78 Accepts]: Start accepts. Automaton has 9681 states and 12851 transitions. Word has length 76 [2021-11-22 23:45:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:20,396 INFO L470 AbstractCegarLoop]: Abstraction has 9681 states and 12851 transitions. [2021-11-22 23:45:20,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9681 states and 12851 transitions. [2021-11-22 23:45:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:45:20,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:20,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:20,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:45:20,402 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 931427302, now seen corresponding path program 1 times [2021-11-22 23:45:20,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:20,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745971730] [2021-11-22 23:45:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:45:20,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:20,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745971730] [2021-11-22 23:45:20,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745971730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:20,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:20,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:45:20,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204125730] [2021-11-22 23:45:20,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:20,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:20,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:20,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:20,564 INFO L87 Difference]: Start difference. First operand 9681 states and 12851 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:20,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:20,911 INFO L93 Difference]: Finished difference Result 28388 states and 37732 transitions. [2021-11-22 23:45:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:20,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-22 23:45:20,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:20,976 INFO L225 Difference]: With dead ends: 28388 [2021-11-22 23:45:20,977 INFO L226 Difference]: Without dead ends: 18779 [2021-11-22 23:45:21,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:21,007 INFO L933 BasicCegarLoop]: 8661 mSDtfsCounter, 6232 mSDsluCounter, 6326 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6232 SdHoareTripleChecker+Valid, 14987 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:21,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6232 Valid, 14987 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:45:21,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18779 states. [2021-11-22 23:45:21,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18779 to 18767. [2021-11-22 23:45:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18767 states, 18466 states have (on average 1.3284956135600563) internal successors, (24532), 18488 states have internal predecessors, (24532), 180 states have call successors, (180), 106 states have call predecessors, (180), 116 states have return successors, (242), 194 states have call predecessors, (242), 180 states have call successors, (242) [2021-11-22 23:45:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18767 states to 18767 states and 24954 transitions. [2021-11-22 23:45:21,518 INFO L78 Accepts]: Start accepts. Automaton has 18767 states and 24954 transitions. Word has length 104 [2021-11-22 23:45:21,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:21,520 INFO L470 AbstractCegarLoop]: Abstraction has 18767 states and 24954 transitions. [2021-11-22 23:45:21,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 18767 states and 24954 transitions. [2021-11-22 23:45:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:45:21,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:21,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:21,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 23:45:21,532 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:21,533 INFO L85 PathProgramCache]: Analyzing trace with hash -879580680, now seen corresponding path program 1 times [2021-11-22 23:45:21,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:21,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986281140] [2021-11-22 23:45:21,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:21,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:45:21,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:21,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986281140] [2021-11-22 23:45:21,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986281140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:21,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:21,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:45:21,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491126335] [2021-11-22 23:45:21,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:21,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:21,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:21,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:21,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:21,713 INFO L87 Difference]: Start difference. First operand 18767 states and 24954 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:22,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:22,397 INFO L93 Difference]: Finished difference Result 51801 states and 68931 transitions. [2021-11-22 23:45:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:22,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-22 23:45:22,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:22,505 INFO L225 Difference]: With dead ends: 51801 [2021-11-22 23:45:22,505 INFO L226 Difference]: Without dead ends: 33106 [2021-11-22 23:45:22,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:22,561 INFO L933 BasicCegarLoop]: 7955 mSDtfsCounter, 6260 mSDsluCounter, 6329 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 14284 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:22,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6260 Valid, 14284 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:45:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33106 states. [2021-11-22 23:45:23,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33106 to 33096. [2021-11-22 23:45:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33096 states, 32571 states have (on average 1.3296183721715638) internal successors, (43307), 32608 states have internal predecessors, (43307), 317 states have call successors, (317), 188 states have call predecessors, (317), 203 states have return successors, (426), 338 states have call predecessors, (426), 317 states have call successors, (426) [2021-11-22 23:45:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33096 states to 33096 states and 44050 transitions. [2021-11-22 23:45:23,385 INFO L78 Accepts]: Start accepts. Automaton has 33096 states and 44050 transitions. Word has length 110 [2021-11-22 23:45:23,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:23,386 INFO L470 AbstractCegarLoop]: Abstraction has 33096 states and 44050 transitions. [2021-11-22 23:45:23,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 33096 states and 44050 transitions. [2021-11-22 23:45:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:45:23,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:23,406 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:23,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 23:45:23,406 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:23,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash -640449298, now seen corresponding path program 1 times [2021-11-22 23:45:23,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:23,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339473821] [2021-11-22 23:45:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:23,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:45:23,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:23,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339473821] [2021-11-22 23:45:23,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339473821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:23,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:23,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:45:23,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415481115] [2021-11-22 23:45:23,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:23,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:23,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:23,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:23,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:23,628 INFO L87 Difference]: Start difference. First operand 33096 states and 44050 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:24,381 INFO L93 Difference]: Finished difference Result 66121 states and 88019 transitions. [2021-11-22 23:45:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:24,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-22 23:45:24,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:24,561 INFO L225 Difference]: With dead ends: 66121 [2021-11-22 23:45:24,562 INFO L226 Difference]: Without dead ends: 33093 [2021-11-22 23:45:24,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:45:24,620 INFO L933 BasicCegarLoop]: 6426 mSDtfsCounter, 0 mSDsluCounter, 6421 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12847 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:24,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12847 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:45:24,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33093 states. [2021-11-22 23:45:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33093 to 33051. [2021-11-22 23:45:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33051 states, 32526 states have (on average 1.3298591895714198) internal successors, (43255), 32563 states have internal predecessors, (43255), 317 states have call successors, (317), 188 states have call predecessors, (317), 203 states have return successors, (426), 338 states have call predecessors, (426), 317 states have call successors, (426) [2021-11-22 23:45:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33051 states to 33051 states and 43998 transitions. [2021-11-22 23:45:25,465 INFO L78 Accepts]: Start accepts. Automaton has 33051 states and 43998 transitions. Word has length 121 [2021-11-22 23:45:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:25,465 INFO L470 AbstractCegarLoop]: Abstraction has 33051 states and 43998 transitions. [2021-11-22 23:45:25,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 33051 states and 43998 transitions. [2021-11-22 23:45:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:45:25,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:25,482 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:25,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 23:45:25,482 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:25,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:25,483 INFO L85 PathProgramCache]: Analyzing trace with hash -497109439, now seen corresponding path program 1 times [2021-11-22 23:45:25,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:25,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396930504] [2021-11-22 23:45:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:25,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:45:25,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:25,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396930504] [2021-11-22 23:45:25,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396930504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:25,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:25,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:45:25,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304113157] [2021-11-22 23:45:25,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:25,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:45:25,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:45:25,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:45:25,876 INFO L87 Difference]: Start difference. First operand 33051 states and 43998 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (6), 3 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:32,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:32,575 INFO L93 Difference]: Finished difference Result 50236 states and 66744 transitions. [2021-11-22 23:45:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:45:32,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (6), 3 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2021-11-22 23:45:32,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:32,636 INFO L225 Difference]: With dead ends: 50236 [2021-11-22 23:45:32,636 INFO L226 Difference]: Without dead ends: 17257 [2021-11-22 23:45:32,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-22 23:45:32,716 INFO L933 BasicCegarLoop]: 3737 mSDtfsCounter, 16 mSDsluCounter, 13513 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 17250 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:32,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 17250 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-22 23:45:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17257 states. [2021-11-22 23:45:33,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17257 to 17257. [2021-11-22 23:45:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17257 states, 16892 states have (on average 1.306298839687426) internal successors, (22066), 16912 states have internal predecessors, (22066), 225 states have call successors, (225), 128 states have call predecessors, (225), 138 states have return successors, (305), 239 states have call predecessors, (305), 225 states have call successors, (305) [2021-11-22 23:45:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17257 states to 17257 states and 22596 transitions. [2021-11-22 23:45:33,154 INFO L78 Accepts]: Start accepts. Automaton has 17257 states and 22596 transitions. Word has length 140 [2021-11-22 23:45:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:33,155 INFO L470 AbstractCegarLoop]: Abstraction has 17257 states and 22596 transitions. [2021-11-22 23:45:33,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 3 states have call successors, (6), 3 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:45:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 17257 states and 22596 transitions. [2021-11-22 23:45:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:45:33,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:33,188 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:33,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 23:45:33,188 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash 244933894, now seen corresponding path program 1 times [2021-11-22 23:45:33,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:33,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089411397] [2021-11-22 23:45:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:33,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-22 23:45:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:45:33,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:33,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089411397] [2021-11-22 23:45:33,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089411397] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:45:33,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404131004] [2021-11-22 23:45:33,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:33,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:33,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:45:33,430 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) [2021-11-22 23:45:33,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 23:45:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:35,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 5694 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 23:45:35,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:45:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:45:35,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:45:35,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404131004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:35,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:45:35,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 23:45:35,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913714203] [2021-11-22 23:45:35,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:35,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:35,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:35,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:35,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:45:35,507 INFO L87 Difference]: Start difference. First operand 17257 states and 22596 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:35,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:35,916 INFO L93 Difference]: Finished difference Result 44645 states and 58441 transitions. [2021-11-22 23:45:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:35,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 208 [2021-11-22 23:45:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:35,998 INFO L225 Difference]: With dead ends: 44645 [2021-11-22 23:45:35,999 INFO L226 Difference]: Without dead ends: 27460 [2021-11-22 23:45:36,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:45:36,042 INFO L933 BasicCegarLoop]: 4351 mSDtfsCounter, 3655 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3655 SdHoareTripleChecker+Valid, 7871 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:36,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3655 Valid, 7871 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 23:45:36,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27460 states. [2021-11-22 23:45:36,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27460 to 27455. [2021-11-22 23:45:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27455 states, 26892 states have (on average 1.3055183697753978) internal successors, (35108), 26916 states have internal predecessors, (35108), 335 states have call successors, (335), 200 states have call predecessors, (335), 226 states have return successors, (465), 373 states have call predecessors, (465), 335 states have call successors, (465) [2021-11-22 23:45:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27455 states to 27455 states and 35908 transitions. [2021-11-22 23:45:36,625 INFO L78 Accepts]: Start accepts. Automaton has 27455 states and 35908 transitions. Word has length 208 [2021-11-22 23:45:36,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:36,626 INFO L470 AbstractCegarLoop]: Abstraction has 27455 states and 35908 transitions. [2021-11-22 23:45:36,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 27455 states and 35908 transitions. [2021-11-22 23:45:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 23:45:36,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:36,669 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:36,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 23:45:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:36,884 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash -447012855, now seen corresponding path program 1 times [2021-11-22 23:45:36,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413066420] [2021-11-22 23:45:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:36,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-22 23:45:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:45:37,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:37,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413066420] [2021-11-22 23:45:37,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413066420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:37,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:37,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 23:45:37,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319623750] [2021-11-22 23:45:37,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:37,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 23:45:37,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:37,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 23:45:37,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 23:45:37,453 INFO L87 Difference]: Start difference. First operand 27455 states and 35908 transitions. Second operand has 7 states, 7 states have (on average 28.0) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:42,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:42,393 INFO L93 Difference]: Finished difference Result 59609 states and 78155 transitions. [2021-11-22 23:45:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:45:42,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 210 [2021-11-22 23:45:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:42,500 INFO L225 Difference]: With dead ends: 59609 [2021-11-22 23:45:42,503 INFO L226 Difference]: Without dead ends: 32226 [2021-11-22 23:45:42,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:45:42,581 INFO L933 BasicCegarLoop]: 3691 mSDtfsCounter, 407 mSDsluCounter, 17245 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 20936 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:42,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 20936 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-22 23:45:42,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32226 states. [2021-11-22 23:45:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32226 to 27639. [2021-11-22 23:45:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27639 states, 27046 states have (on average 1.3040745396731495) internal successors, (35270), 27084 states have internal predecessors, (35270), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:45:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27639 states to 27639 states and 36126 transitions. [2021-11-22 23:45:43,351 INFO L78 Accepts]: Start accepts. Automaton has 27639 states and 36126 transitions. Word has length 210 [2021-11-22 23:45:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:43,352 INFO L470 AbstractCegarLoop]: Abstraction has 27639 states and 36126 transitions. [2021-11-22 23:45:43,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 6 states have internal predecessors, (196), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 27639 states and 36126 transitions. [2021-11-22 23:45:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:45:43,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:43,403 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:43,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 23:45:43,404 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:43,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:43,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1542781135, now seen corresponding path program 1 times [2021-11-22 23:45:43,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:43,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751696772] [2021-11-22 23:45:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:43,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-22 23:45:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:45:43,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:43,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751696772] [2021-11-22 23:45:43,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751696772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:43,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:45:43,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 23:45:43,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398981071] [2021-11-22 23:45:43,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:43,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 23:45:43,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:43,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 23:45:43,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 23:45:43,684 INFO L87 Difference]: Start difference. First operand 27639 states and 36126 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:48,443 INFO L93 Difference]: Finished difference Result 55649 states and 73097 transitions. [2021-11-22 23:45:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:45:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 216 [2021-11-22 23:45:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:48,636 INFO L225 Difference]: With dead ends: 55649 [2021-11-22 23:45:48,637 INFO L226 Difference]: Without dead ends: 28082 [2021-11-22 23:45:48,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 23:45:48,696 INFO L933 BasicCegarLoop]: 3692 mSDtfsCounter, 125 mSDsluCounter, 6254 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:48,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 9946 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-22 23:45:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28082 states. [2021-11-22 23:45:49,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28082 to 27653. [2021-11-22 23:45:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27653 states, 27060 states have (on average 1.3039172209903918) internal successors, (35284), 27098 states have internal predecessors, (35284), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:45:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27653 states to 27653 states and 36140 transitions. [2021-11-22 23:45:49,290 INFO L78 Accepts]: Start accepts. Automaton has 27653 states and 36140 transitions. Word has length 216 [2021-11-22 23:45:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:49,290 INFO L470 AbstractCegarLoop]: Abstraction has 27653 states and 36140 transitions. [2021-11-22 23:45:49,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27653 states and 36140 transitions. [2021-11-22 23:45:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:45:49,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:49,345 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:49,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 23:45:49,345 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash 81873069, now seen corresponding path program 1 times [2021-11-22 23:45:49,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:49,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280136020] [2021-11-22 23:45:49,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:49,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-22 23:45:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:45:49,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:49,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280136020] [2021-11-22 23:45:49,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280136020] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:45:49,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476488800] [2021-11-22 23:45:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:49,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:49,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:45:49,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:45:49,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 23:45:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:51,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 5821 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:45:51,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:45:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:45:51,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:45:51,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476488800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:51,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:45:51,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-11-22 23:45:51,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287322423] [2021-11-22 23:45:51,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:51,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:45:51,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:51,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:45:51,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:45:51,874 INFO L87 Difference]: Start difference. First operand 27653 states and 36140 transitions. Second operand has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:52,667 INFO L93 Difference]: Finished difference Result 55416 states and 72730 transitions. [2021-11-22 23:45:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 23:45:52,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 218 [2021-11-22 23:45:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:52,846 INFO L225 Difference]: With dead ends: 55416 [2021-11-22 23:45:52,847 INFO L226 Difference]: Without dead ends: 27835 [2021-11-22 23:45:52,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-22 23:45:52,887 INFO L933 BasicCegarLoop]: 3738 mSDtfsCounter, 1030 mSDsluCounter, 13925 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 17663 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:52,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 17663 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 23:45:52,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27835 states. [2021-11-22 23:45:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27835 to 27653. [2021-11-22 23:45:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27653 states, 27060 states have (on average 1.3031781226903179) internal successors, (35264), 27098 states have internal predecessors, (35264), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:45:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27653 states to 27653 states and 36120 transitions. [2021-11-22 23:45:53,527 INFO L78 Accepts]: Start accepts. Automaton has 27653 states and 36120 transitions. Word has length 218 [2021-11-22 23:45:53,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:53,527 INFO L470 AbstractCegarLoop]: Abstraction has 27653 states and 36120 transitions. [2021-11-22 23:45:53,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27653 states and 36120 transitions. [2021-11-22 23:45:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:45:53,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:53,569 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:53,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 23:45:53,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 23:45:53,796 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:53,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:53,796 INFO L85 PathProgramCache]: Analyzing trace with hash 340038507, now seen corresponding path program 1 times [2021-11-22 23:45:53,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:53,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227410453] [2021-11-22 23:45:53,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:53,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-22 23:45:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:45:54,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:54,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227410453] [2021-11-22 23:45:54,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227410453] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:45:54,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094471509] [2021-11-22 23:45:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:54,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:54,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:45:54,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:45:54,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 23:45:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:56,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 5822 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:45:56,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:45:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:45:56,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:45:56,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094471509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:45:56,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:45:56,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-22 23:45:56,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063099306] [2021-11-22 23:45:56,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:45:56,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:45:56,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:45:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:45:56,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:45:56,706 INFO L87 Difference]: Start difference. First operand 27653 states and 36120 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:57,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:45:57,261 INFO L93 Difference]: Finished difference Result 55242 states and 72171 transitions. [2021-11-22 23:45:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:45:57,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 218 [2021-11-22 23:45:57,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:45:57,338 INFO L225 Difference]: With dead ends: 55242 [2021-11-22 23:45:57,338 INFO L226 Difference]: Without dead ends: 27656 [2021-11-22 23:45:57,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:45:57,386 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 0 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7474 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:45:57,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7474 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:45:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27656 states. [2021-11-22 23:45:57,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27656 to 27656. [2021-11-22 23:45:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27656 states, 27063 states have (on average 1.3031445146509995) internal successors, (35267), 27101 states have internal predecessors, (35267), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:45:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27656 states to 27656 states and 36123 transitions. [2021-11-22 23:45:58,075 INFO L78 Accepts]: Start accepts. Automaton has 27656 states and 36123 transitions. Word has length 218 [2021-11-22 23:45:58,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:45:58,076 INFO L470 AbstractCegarLoop]: Abstraction has 27656 states and 36123 transitions. [2021-11-22 23:45:58,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:45:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27656 states and 36123 transitions. [2021-11-22 23:45:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:45:58,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:45:58,113 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:45:58,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 23:45:58,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:58,328 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:45:58,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:45:58,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2146121012, now seen corresponding path program 1 times [2021-11-22 23:45:58,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:45:58,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724459768] [2021-11-22 23:45:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:58,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:45:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-22 23:45:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:45:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:45:58,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:45:58,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724459768] [2021-11-22 23:45:58,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724459768] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:45:58,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412218895] [2021-11-22 23:45:58,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:45:58,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:45:58,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:45:58,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:45:58,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 23:46:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:00,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 5867 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:46:00,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:46:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:46:00,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:46:00,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412218895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:46:00,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:46:00,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-22 23:46:00,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767757944] [2021-11-22 23:46:00,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:46:00,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:46:00,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:46:00,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:46:00,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:46:00,888 INFO L87 Difference]: Start difference. First operand 27656 states and 36123 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:46:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:46:01,518 INFO L93 Difference]: Finished difference Result 55297 states and 72537 transitions. [2021-11-22 23:46:01,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:46:01,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2021-11-22 23:46:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:46:01,605 INFO L225 Difference]: With dead ends: 55297 [2021-11-22 23:46:01,605 INFO L226 Difference]: Without dead ends: 27716 [2021-11-22 23:46:01,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:46:01,675 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 2 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7477 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:46:01,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 7477 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:46:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27716 states. [2021-11-22 23:46:02,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27716 to 27676. [2021-11-22 23:46:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27676 states, 27083 states have (on average 1.3029206513310934) internal successors, (35287), 27121 states have internal predecessors, (35287), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:46:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27676 states to 27676 states and 36143 transitions. [2021-11-22 23:46:02,349 INFO L78 Accepts]: Start accepts. Automaton has 27676 states and 36143 transitions. Word has length 221 [2021-11-22 23:46:02,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:46:02,350 INFO L470 AbstractCegarLoop]: Abstraction has 27676 states and 36143 transitions. [2021-11-22 23:46:02,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:46:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 27676 states and 36143 transitions. [2021-11-22 23:46:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:46:02,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:46:02,385 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:46:02,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 23:46:02,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:46:02,612 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:46:02,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:46:02,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1006613009, now seen corresponding path program 1 times [2021-11-22 23:46:02,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:46:02,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325089504] [2021-11-22 23:46:02,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:46:02,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:46:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-22 23:46:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:46:02,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:46:02,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325089504] [2021-11-22 23:46:02,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325089504] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:46:02,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060064657] [2021-11-22 23:46:02,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:46:02,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:46:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:46:02,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:46:02,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 23:46:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:04,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 5888 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:46:04,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:46:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:46:05,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:46:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:46:05,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060064657] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:46:05,426 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:46:05,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-11-22 23:46:05,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004811475] [2021-11-22 23:46:05,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:46:05,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 23:46:05,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:46:05,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 23:46:05,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-22 23:46:05,429 INFO L87 Difference]: Start difference. First operand 27676 states and 36143 transitions. Second operand has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-22 23:46:10,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:46:10,421 INFO L93 Difference]: Finished difference Result 55734 states and 73142 transitions. [2021-11-22 23:46:10,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:46:10,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 224 [2021-11-22 23:46:10,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:46:10,495 INFO L225 Difference]: With dead ends: 55734 [2021-11-22 23:46:10,496 INFO L226 Difference]: Without dead ends: 28133 [2021-11-22 23:46:10,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-22 23:46:10,550 INFO L933 BasicCegarLoop]: 3691 mSDtfsCounter, 129 mSDsluCounter, 13630 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 17321 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-22 23:46:10,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 17321 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-22 23:46:10,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28133 states. [2021-11-22 23:46:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28133 to 27704. [2021-11-22 23:46:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27704 states, 27111 states have (on average 1.3026077975729409) internal successors, (35315), 27149 states have internal predecessors, (35315), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:46:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27704 states to 27704 states and 36171 transitions. [2021-11-22 23:46:11,106 INFO L78 Accepts]: Start accepts. Automaton has 27704 states and 36171 transitions. Word has length 224 [2021-11-22 23:46:11,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:46:11,107 INFO L470 AbstractCegarLoop]: Abstraction has 27704 states and 36171 transitions. [2021-11-22 23:46:11,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.125) internal successors, (225), 7 states have internal predecessors, (225), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-22 23:46:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 27704 states and 36171 transitions. [2021-11-22 23:46:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-22 23:46:11,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:46:11,141 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:46:11,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 23:46:11,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 23:46:11,356 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:46:11,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:46:11,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1248246357, now seen corresponding path program 2 times [2021-11-22 23:46:11,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:46:11,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198161257] [2021-11-22 23:46:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:46:11,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:46:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-22 23:46:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:46:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:46:11,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:46:11,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198161257] [2021-11-22 23:46:11,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198161257] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:46:11,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163196258] [2021-11-22 23:46:11,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:46:11,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:46:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:46:11,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:46:11,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 23:49:16,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:49:16,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:49:17,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 5903 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:49:17,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:49:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:49:17,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:49:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:49:17,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163196258] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:49:17,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:49:17,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2021-11-22 23:49:17,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712989840] [2021-11-22 23:49:17,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:49:17,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 23:49:17,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:49:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 23:49:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:49:17,878 INFO L87 Difference]: Start difference. First operand 27704 states and 36171 transitions. Second operand has 9 states, 9 states have (on average 42.55555555555556) internal successors, (383), 8 states have internal predecessors, (383), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-22 23:49:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:49:22,809 INFO L93 Difference]: Finished difference Result 55864 states and 73289 transitions. [2021-11-22 23:49:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:49:22,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 42.55555555555556) internal successors, (383), 8 states have internal predecessors, (383), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 226 [2021-11-22 23:49:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:49:22,886 INFO L225 Difference]: With dead ends: 55864 [2021-11-22 23:49:22,886 INFO L226 Difference]: Without dead ends: 28228 [2021-11-22 23:49:22,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:49:22,949 INFO L933 BasicCegarLoop]: 3687 mSDtfsCounter, 128 mSDsluCounter, 17289 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 20976 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-22 23:49:22,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 20976 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-22 23:49:22,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28228 states. [2021-11-22 23:49:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28228 to 27773. [2021-11-22 23:49:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27773 states, 27180 states have (on average 1.3018395879323033) internal successors, (35384), 27218 states have internal predecessors, (35384), 335 states have call successors, (335), 200 states have call predecessors, (335), 256 states have return successors, (521), 389 states have call predecessors, (521), 335 states have call successors, (521) [2021-11-22 23:49:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27773 states to 27773 states and 36240 transitions. [2021-11-22 23:49:23,459 INFO L78 Accepts]: Start accepts. Automaton has 27773 states and 36240 transitions. Word has length 226 [2021-11-22 23:49:23,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:49:23,460 INFO L470 AbstractCegarLoop]: Abstraction has 27773 states and 36240 transitions. [2021-11-22 23:49:23,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 42.55555555555556) internal successors, (383), 8 states have internal predecessors, (383), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-22 23:49:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27773 states and 36240 transitions. [2021-11-22 23:49:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:49:23,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:49:23,488 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:49:23,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 23:49:23,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:49:23,713 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:49:23,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:49:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1619817401, now seen corresponding path program 3 times [2021-11-22 23:49:23,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:49:23,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774730516] [2021-11-22 23:49:23,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:49:23,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:49:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:49:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-22 23:49:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:49:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:49:24,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:49:24,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774730516] [2021-11-22 23:49:24,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774730516] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:49:24,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259671247] [2021-11-22 23:49:24,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:49:24,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:49:24,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:49:24,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:49:24,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 23:49:50,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 23:49:50,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:49:50,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 5918 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 23:49:50,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:49:51,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-22 23:49:51,554 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|s3c_hsotg_phy_enable_~#descriptor~27#1.base| Int) (v_ArrVal_5716 (Array Int Int)) (v_ArrVal_5718 (Array Int Int))) (and (< |c_#StackHeapBarrier| |s3c_hsotg_phy_enable_~#descriptor~27#1.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |s3c_hsotg_phy_enable_~#descriptor~27#1.base| v_ArrVal_5716)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |s3c_hsotg_phy_enable_~#descriptor~27#1.base| v_ArrVal_5718)))) (not (= (mod (let ((.cse0 (+ |c_s3c_hsotg_phy_enable_#in~hsotg#1.offset| 16))) (+ (select (select |c_#memory_$Pointer$.offset| |c_s3c_hsotg_phy_enable_#in~hsotg#1.base|) .cse0) (select (select |c_#memory_$Pointer$.base| |c_s3c_hsotg_phy_enable_#in~hsotg#1.base|) .cse0))) 18446744073709551616) 0))) is different from true [2021-11-22 23:49:51,711 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-22 23:49:51,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:49:51,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259671247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:49:51,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:49:51,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2021-11-22 23:49:51,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676922812] [2021-11-22 23:49:51,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:49:51,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 23:49:51,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:49:51,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 23:49:51,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=207, Unknown=1, NotChecked=28, Total=272 [2021-11-22 23:49:51,713 INFO L87 Difference]: Start difference. First operand 27773 states and 36240 transitions. Second operand has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 12 states have internal predecessors, (213), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:50:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:50:08,085 INFO L93 Difference]: Finished difference Result 60895 states and 79792 transitions. [2021-11-22 23:50:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-22 23:50:08,096 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 12 states have internal predecessors, (213), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 238 [2021-11-22 23:50:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:50:08,223 INFO L225 Difference]: With dead ends: 60895 [2021-11-22 23:50:08,223 INFO L226 Difference]: Without dead ends: 33206 [2021-11-22 23:50:08,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=715, Unknown=1, NotChecked=56, Total=930 [2021-11-22 23:50:08,314 INFO L933 BasicCegarLoop]: 3828 mSDtfsCounter, 1912 mSDsluCounter, 31886 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 35714 SdHoareTripleChecker+Invalid, 9629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5618 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-22 23:50:08,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1912 Valid, 35714 Invalid, 9629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [144 Valid, 3867 Invalid, 0 Unknown, 5618 Unchecked, 14.8s Time] [2021-11-22 23:50:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33206 states. [2021-11-22 23:50:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33206 to 27891. [2021-11-22 23:50:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27891 states, 27260 states have (on average 1.3014673514306676) internal successors, (35478), 27336 states have internal predecessors, (35478), 349 states have call successors, (349), 200 states have call predecessors, (349), 280 states have return successors, (598), 389 states have call predecessors, (598), 349 states have call successors, (598) [2021-11-22 23:50:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27891 states to 27891 states and 36425 transitions. [2021-11-22 23:50:09,188 INFO L78 Accepts]: Start accepts. Automaton has 27891 states and 36425 transitions. Word has length 238 [2021-11-22 23:50:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:50:09,189 INFO L470 AbstractCegarLoop]: Abstraction has 27891 states and 36425 transitions. [2021-11-22 23:50:09,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.384615384615383) internal successors, (213), 12 states have internal predecessors, (213), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:50:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 27891 states and 36425 transitions. [2021-11-22 23:50:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:50:09,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:50:09,226 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:50:09,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 23:50:09,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:50:09,440 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:50:09,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:50:09,440 INFO L85 PathProgramCache]: Analyzing trace with hash 596026866, now seen corresponding path program 1 times [2021-11-22 23:50:09,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:50:09,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326232603] [2021-11-22 23:50:09,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:50:09,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:50:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:50:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-22 23:50:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:50:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-22 23:50:09,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:50:09,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326232603] [2021-11-22 23:50:09,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326232603] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:50:09,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418464054] [2021-11-22 23:50:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:50:09,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:50:09,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:50:09,742 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:50:09,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 23:50:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:50:12,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 6044 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:50:12,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:50:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:50:12,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:50:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:50:12,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418464054] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:50:12,987 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:50:12,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2021-11-22 23:50:12,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967984981] [2021-11-22 23:50:12,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:50:12,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 23:50:12,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:50:12,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 23:50:12,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:50:12,988 INFO L87 Difference]: Start difference. First operand 27891 states and 36425 transitions. Second operand has 10 states, 10 states have (on average 22.2) internal successors, (222), 9 states have internal predecessors, (222), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:50:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:50:19,321 INFO L93 Difference]: Finished difference Result 56353 states and 73991 transitions. [2021-11-22 23:50:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:50:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.2) internal successors, (222), 9 states have internal predecessors, (222), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 238 [2021-11-22 23:50:19,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:50:19,419 INFO L225 Difference]: With dead ends: 56353 [2021-11-22 23:50:19,419 INFO L226 Difference]: Without dead ends: 28546 [2021-11-22 23:50:19,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-11-22 23:50:19,708 INFO L933 BasicCegarLoop]: 3690 mSDtfsCounter, 136 mSDsluCounter, 20997 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 24687 SdHoareTripleChecker+Invalid, 1501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-22 23:50:19,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 24687 Invalid, 1501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-22 23:50:19,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28546 states. [2021-11-22 23:50:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28546 to 28131. [2021-11-22 23:50:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28131 states, 27500 states have (on average 1.2988363636363636) internal successors, (35718), 27576 states have internal predecessors, (35718), 349 states have call successors, (349), 200 states have call predecessors, (349), 280 states have return successors, (598), 389 states have call predecessors, (598), 349 states have call successors, (598) [2021-11-22 23:50:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28131 states to 28131 states and 36665 transitions. [2021-11-22 23:50:20,371 INFO L78 Accepts]: Start accepts. Automaton has 28131 states and 36665 transitions. Word has length 238 [2021-11-22 23:50:20,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:50:20,371 INFO L470 AbstractCegarLoop]: Abstraction has 28131 states and 36665 transitions. [2021-11-22 23:50:20,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.2) internal successors, (222), 9 states have internal predecessors, (222), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:50:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 28131 states and 36665 transitions. [2021-11-22 23:50:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-22 23:50:20,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:50:20,406 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:50:20,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-22 23:50:20,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-22 23:50:20,612 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:50:20,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:50:20,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1223741262, now seen corresponding path program 2 times [2021-11-22 23:50:20,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:50:20,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238694878] [2021-11-22 23:50:20,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:50:20,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:50:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:50:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-22 23:50:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:50:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-22 23:50:21,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:50:21,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238694878] [2021-11-22 23:50:21,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238694878] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:50:21,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330064246] [2021-11-22 23:50:21,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:50:21,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:50:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:50:21,112 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:50:21,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 23:50:58,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:50:58,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:50:58,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 6128 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:50:58,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:50:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:50:58,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:50:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:50:59,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330064246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:50:59,019 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:50:59,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2021-11-22 23:50:59,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609111802] [2021-11-22 23:50:59,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:50:59,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 23:50:59,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:50:59,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 23:50:59,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-22 23:50:59,022 INFO L87 Difference]: Start difference. First operand 28131 states and 36665 transitions. Second operand has 18 states, 18 states have (on average 13.666666666666666) internal successors, (246), 17 states have internal predecessors, (246), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:51:06,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:51:06,366 INFO L93 Difference]: Finished difference Result 57073 states and 74791 transitions. [2021-11-22 23:51:06,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:51:06,367 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.666666666666666) internal successors, (246), 17 states have internal predecessors, (246), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 250 [2021-11-22 23:51:06,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:51:06,442 INFO L225 Difference]: With dead ends: 57073 [2021-11-22 23:51:06,442 INFO L226 Difference]: Without dead ends: 29026 [2021-11-22 23:51:06,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 492 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=354, Unknown=0, NotChecked=0, Total=552 [2021-11-22 23:51:06,495 INFO L933 BasicCegarLoop]: 3690 mSDtfsCounter, 164 mSDsluCounter, 28371 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 32061 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-22 23:51:06,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 32061 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-22 23:51:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29026 states. [2021-11-22 23:51:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29026 to 28611. [2021-11-22 23:51:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28611 states, 27980 states have (on average 1.293709792709078) internal successors, (36198), 28056 states have internal predecessors, (36198), 349 states have call successors, (349), 200 states have call predecessors, (349), 280 states have return successors, (598), 389 states have call predecessors, (598), 349 states have call successors, (598) [2021-11-22 23:51:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28611 states to 28611 states and 37145 transitions. [2021-11-22 23:51:07,505 INFO L78 Accepts]: Start accepts. Automaton has 28611 states and 37145 transitions. Word has length 250 [2021-11-22 23:51:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:51:07,506 INFO L470 AbstractCegarLoop]: Abstraction has 28611 states and 37145 transitions. [2021-11-22 23:51:07,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.666666666666666) internal successors, (246), 17 states have internal predecessors, (246), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 23:51:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28611 states and 37145 transitions. [2021-11-22 23:51:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-22 23:51:07,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:51:07,543 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:51:07,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-22 23:51:07,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 23:51:07,756 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting s3c_hsotg_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 23:51:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:51:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1805772338, now seen corresponding path program 3 times [2021-11-22 23:51:07,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:51:07,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024441407] [2021-11-22 23:51:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:51:07,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:51:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:51:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-22 23:51:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:51:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-22 23:51:08,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:51:08,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024441407] [2021-11-22 23:51:08,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024441407] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:51:08,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307043573] [2021-11-22 23:51:08,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:51:08,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:51:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:51:08,244 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:51:08,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process Killed by 15