./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.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 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:26:32,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:26:32,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:26:33,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:26:33,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:26:33,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:26:33,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:26:33,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:26:33,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:26:33,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:26:33,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:26:33,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:26:33,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:26:33,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:26:33,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:26:33,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:26:33,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:26:33,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:26:33,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:26:33,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:26:33,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:26:33,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:26:33,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:26:33,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:26:33,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:26:33,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:26:33,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:26:33,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:26:33,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:26:33,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:26:33,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:26:33,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:26:33,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:26:33,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:26:33,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:26:33,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:26:33,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:26:33,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:26:33,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:26:33,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:26:33,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:26:33,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:26:33,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:26:33,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:26:33,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:26:33,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:26:33,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:26:33,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:26:33,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:26:33,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:26:33,117 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:26:33,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:26:33,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:26:33,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:26:33,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:26:33,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:26:33,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:26:33,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:26:33,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:26:33,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:26:33,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:26:33,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:26:33,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:26:33,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:26:33,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:26:33,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:26:33,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:26:33,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:26:33,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:26:33,123 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:26:33,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:26:33,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:26:33,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:26:33,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 [2021-12-18 09:26:33,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:26:33,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:26:33,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:26:33,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:26:33,368 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:26:33,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-18 09:26:33,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d562a616c/5bc43ea045ca41029d126a77d1d56818/FLAGd0f9ae91f [2021-12-18 09:26:34,177 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:26:34,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-18 09:26:34,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d562a616c/5bc43ea045ca41029d126a77d1d56818/FLAGd0f9ae91f [2021-12-18 09:26:34,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d562a616c/5bc43ea045ca41029d126a77d1d56818 [2021-12-18 09:26:34,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:26:34,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:26:34,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:26:34,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:26:34,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:26:34,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:26:34" (1/1) ... [2021-12-18 09:26:34,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135d0ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:34, skipping insertion in model container [2021-12-18 09:26:34,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:26:34" (1/1) ... [2021-12-18 09:26:34,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:26:34,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:26:36,934 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2021-12-18 09:26:36,980 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 09:26:36,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:26:37,013 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:26:37,449 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2021-12-18 09:26:37,453 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 09:26:37,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:26:37,540 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:26:37,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37 WrapperNode [2021-12-18 09:26:37,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:26:37,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:26:37,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:26:37,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:26:37,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:37,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,016 INFO L137 Inliner]: procedures = 333, calls = 4687, calls flagged for inlining = 151, calls inlined = 148, statements flattened = 11581 [2021-12-18 09:26:38,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:26:38,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:26:38,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:26:38,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:26:38,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:26:38,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:26:38,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:26:38,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:26:38,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (1/1) ... [2021-12-18 09:26:38,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:26:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:26:38,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:26:38,545 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 [2021-12-18 09:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-18 09:26:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-18 09:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_writel [2021-12-18 09:26:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_writel [2021-12-18 09:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-18 09:26:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-18 09:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-18 09:26:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-18 09:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-18 09:26:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-18 09:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_disable [2021-12-18 09:26:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_disable [2021-12-18 09:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_enqueue [2021-12-18 09:26:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_enqueue [2021-12-18 09:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:26:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:26:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-18 09:26:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-18 09:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_enable_event [2021-12-18 09:26:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_enable_event [2021-12-18 09:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 09:26:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 09:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_reset [2021-12-18 09:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_reset [2021-12-18 09:26:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 09:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 09:26:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:26:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-18 09:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-18 09:26:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-18 09:26:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-18 09:26:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-18 09:26:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-18 09:26:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-18 09:26:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-18 09:26:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_quiesce [2021-12-18 09:26:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_quiesce [2021-12-18 09:26:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_command_bit [2021-12-18 09:26:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_command_bit [2021-12-18 09:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 09:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 09:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 09:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 09:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-18 09:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-18 09:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_probe [2021-12-18 09:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_probe [2021-12-18 09:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-18 09:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-18 09:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_silence_controller [2021-12-18 09:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_silence_controller [2021-12-18 09:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:26:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:26:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:26:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:26:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_relinquish_port [2021-12-18 09:26:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_relinquish_port [2021-12-18 09:26:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-18 09:26:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-18 09:26:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 09:26:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 09:26:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-18 09:26:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-18 09:26:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-18 09:26:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-18 09:26:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_alloc [2021-12-18 09:26:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_alloc [2021-12-18 09:26:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-18 09:26:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-18 09:26:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-18 09:26:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-18 09:26:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:26:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 09:26:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 09:26:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-18 09:26:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-18 09:26:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_handed_over [2021-12-18 09:26:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_handed_over [2021-12-18 09:26:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-18 09:26:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-18 09:26:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:26:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:26:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-18 09:26:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-18 09:26:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-18 09:26:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-18 09:26:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-18 09:26:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-18 09:26:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_set_command_bit [2021-12-18 09:26:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_set_command_bit [2021-12-18 09:26:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 09:26:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 09:26:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 09:26:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 09:26:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_stop [2021-12-18 09:26:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_stop [2021-12-18 09:26:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-18 09:26:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-18 09:26:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-18 09:26:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-18 09:26:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_intr_unlinks [2021-12-18 09:26:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_intr_unlinks [2021-12-18 09:26:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:26:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 09:26:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 09:26:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:26:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-18 09:26:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-18 09:26:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-18 09:26:38,579 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-18 09:26:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-18 09:26:38,579 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-18 09:26:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-18 09:26:38,579 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-18 09:26:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fusbh200 [2021-12-18 09:26:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fusbh200 [2021-12-18 09:26:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 09:26:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 09:26:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 09:26:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 09:26:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 09:26:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 09:26:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_to_hcd [2021-12-18 09:26:38,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_to_hcd [2021-12-18 09:26:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-18 09:26:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-18 09:26:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 09:26:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 09:26:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-18 09:26:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-18 09:26:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-18 09:26:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-18 09:26:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-18 09:26:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-18 09:26:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_dequeue [2021-12-18 09:26:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_dequeue [2021-12-18 09:26:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-18 09:26:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-18 09:26:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_readl [2021-12-18 09:26:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_readl [2021-12-18 09:26:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_halt [2021-12-18 09:26:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_halt [2021-12-18 09:26:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 09:26:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 09:26:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer_complete [2021-12-18 09:26:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer_complete [2021-12-18 09:26:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 09:26:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 09:26:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_done [2021-12-18 09:26:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_done [2021-12-18 09:26:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_ASS [2021-12-18 09:26:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_ASS [2021-12-18 09:26:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_controller_death [2021-12-18 09:26:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_controller_death [2021-12-18 09:26:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_mem_cleanup [2021-12-18 09:26:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_mem_cleanup [2021-12-18 09:26:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 09:26:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 09:26:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:26:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-18 09:26:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-18 09:26:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-18 09:26:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-18 09:26:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-18 09:26:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-18 09:26:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_init [2021-12-18 09:26:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_init [2021-12-18 09:26:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:26:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:26:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:26:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:26:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_reset [2021-12-18 09:26:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_reset [2021-12-18 09:26:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-18 09:26:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-18 09:26:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 09:26:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 09:26:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_status_data [2021-12-18 09:26:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_status_data [2021-12-18 09:26:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:26:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:26:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 09:26:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 09:26:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 09:26:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 09:26:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:26:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_remove [2021-12-18 09:26:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_remove [2021-12-18 09:26:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-18 09:26:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-18 09:26:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 09:26:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 09:26:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:26:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:26:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-18 09:26:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-18 09:26:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_get_frame [2021-12-18 09:26:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_get_frame [2021-12-18 09:26:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 09:26:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 09:26:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_PSS [2021-12-18 09:26:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_PSS [2021-12-18 09:26:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:26:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 09:26:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 09:26:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 09:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 09:26:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 09:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-18 09:26:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-18 09:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-18 09:26:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-18 09:26:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-18 09:26:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-18 09:26:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:26:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_free [2021-12-18 09:26:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_free [2021-12-18 09:26:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-18 09:26:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-18 09:26:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qh_alloc [2021-12-18 09:26:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qh_alloc [2021-12-18 09:26:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 09:26:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 09:26:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:26:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:26:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-18 09:26:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-18 09:26:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fusbh200_init [2021-12-18 09:26:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fusbh200_init [2021-12-18 09:26:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-18 09:26:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-18 09:26:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-18 09:26:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-18 09:26:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 09:26:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 09:26:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-18 09:26:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-18 09:26:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_read_frame_index [2021-12-18 09:26:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_read_frame_index [2021-12-18 09:26:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 09:26:38,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 09:26:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_shutdown [2021-12-18 09:26:38,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_shutdown [2021-12-18 09:26:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-18 09:26:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-18 09:26:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-18 09:26:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-18 09:26:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-18 09:26:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-18 09:26:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_work [2021-12-18 09:26:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_work [2021-12-18 09:26:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-18 09:26:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-18 09:26:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:26:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:26:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-18 09:26:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-18 09:26:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 09:26:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 09:26:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-18 09:26:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-18 09:26:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 09:26:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 09:26:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_run [2021-12-18 09:26:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_run [2021-12-18 09:26:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 09:26:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 09:26:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 09:26:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 09:26:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:26:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:26:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-18 09:26:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-18 09:26:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:26:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_control [2021-12-18 09:26:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_control [2021-12-18 09:26:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-18 09:26:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-18 09:26:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_speed [2021-12-18 09:26:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_speed [2021-12-18 09:26:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer [2021-12-18 09:26:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer [2021-12-18 09:26:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_irq [2021-12-18 09:26:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_irq [2021-12-18 09:26:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:26:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:26:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-18 09:26:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-18 09:26:39,711 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:26:39,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:26:43,060 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:26:50,486 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2021-12-18 09:26:50,655 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:26:50,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:26:50,675 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 09:26:50,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:26:50 BoogieIcfgContainer [2021-12-18 09:26:50,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:26:50,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:26:50,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:26:50,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:26:50,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:26:34" (1/3) ... [2021-12-18 09:26:50,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a0a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:26:50, skipping insertion in model container [2021-12-18 09:26:50,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:26:37" (2/3) ... [2021-12-18 09:26:50,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475a0a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:26:50, skipping insertion in model container [2021-12-18 09:26:50,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:26:50" (3/3) ... [2021-12-18 09:26:50,688 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-18 09:26:50,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:26:50,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:26:50,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:26:50,744 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 [2021-12-18 09:26:50,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:26:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 3545 states, 2437 states have (on average 1.3652031185884284) internal successors, (3327), 2523 states have internal predecessors, (3327), 968 states have call successors, (968), 139 states have call predecessors, (968), 138 states have return successors, (960), 941 states have call predecessors, (960), 960 states have call successors, (960) [2021-12-18 09:26:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 09:26:50,834 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:26:50,836 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:26:50,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:26:50,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:26:50,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1486015269, now seen corresponding path program 1 times [2021-12-18 09:26:50,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:26:50,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76667819] [2021-12-18 09:26:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:26:50,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:26:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:26:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:26:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:26:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:26:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:26:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:26:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:26:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:26:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:26:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:26:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:26:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:26:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:26:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:26:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:26:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:26:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:26:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:26:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:26:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:26:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:26:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:26:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:26:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:26:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:26:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:26:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:26:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:26:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:26:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:26:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:26:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-18 09:26:52,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:26:52,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76667819] [2021-12-18 09:26:52,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76667819] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:26:52,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:26:52,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:26:52,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915450811] [2021-12-18 09:26:52,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:26:52,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:26:52,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:26:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:26:52,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:26:52,456 INFO L87 Difference]: Start difference. First operand has 3545 states, 2437 states have (on average 1.3652031185884284) internal successors, (3327), 2523 states have internal predecessors, (3327), 968 states have call successors, (968), 139 states have call predecessors, (968), 138 states have return successors, (960), 941 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 09:27:00,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:03,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:05,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:06,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:27:06,690 INFO L93 Difference]: Finished difference Result 7490 states and 11292 transitions. [2021-12-18 09:27:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 09:27:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 375 [2021-12-18 09:27:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:27:06,752 INFO L225 Difference]: With dead ends: 7490 [2021-12-18 09:27:06,752 INFO L226 Difference]: Without dead ends: 3915 [2021-12-18 09:27:06,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:27:06,780 INFO L933 BasicCegarLoop]: 4871 mSDtfsCounter, 2684 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 3635 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 7351 SdHoareTripleChecker+Invalid, 5712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3635 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:27:06,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2788 Valid, 7351 Invalid, 5712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3635 Valid, 2074 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2021-12-18 09:27:06,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2021-12-18 09:27:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3511. [2021-12-18 09:27:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 2419 states have (on average 1.3608929309632078) internal successors, (3292), 2495 states have internal predecessors, (3292), 955 states have call successors, (955), 137 states have call predecessors, (955), 136 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2021-12-18 09:27:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5200 transitions. [2021-12-18 09:27:07,053 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5200 transitions. Word has length 375 [2021-12-18 09:27:07,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:27:07,055 INFO L470 AbstractCegarLoop]: Abstraction has 3511 states and 5200 transitions. [2021-12-18 09:27:07,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 09:27:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5200 transitions. [2021-12-18 09:27:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 09:27:07,064 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:27:07,064 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:27:07,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:27:07,065 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:27:07,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:27:07,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1727246993, now seen corresponding path program 1 times [2021-12-18 09:27:07,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:27:07,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338356474] [2021-12-18 09:27:07,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:27:07,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:27:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:27:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:27:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:27:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:27:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:27:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:27:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:27:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:27:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:27:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:27:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:27:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:27:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:27:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:27:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:27:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:27:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:27:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:27:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:27:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:27:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:27:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:27:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:27:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:27:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:27:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:27:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:27:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:27:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-18 09:27:08,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:27:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338356474] [2021-12-18 09:27:08,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338356474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:27:08,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:27:08,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:27:08,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034357657] [2021-12-18 09:27:08,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:27:08,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:27:08,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:27:08,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:27:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:27:08,077 INFO L87 Difference]: Start difference. First operand 3511 states and 5200 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:27:17,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:19,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:22,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:24,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:26,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:33,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:35,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:38,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:39,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:27:39,619 INFO L93 Difference]: Finished difference Result 11183 states and 16736 transitions. [2021-12-18 09:27:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:27:39,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 375 [2021-12-18 09:27:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:27:39,677 INFO L225 Difference]: With dead ends: 11183 [2021-12-18 09:27:39,677 INFO L226 Difference]: Without dead ends: 7736 [2021-12-18 09:27:39,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:27:39,699 INFO L933 BasicCegarLoop]: 5587 mSDtfsCounter, 7754 mSDsluCounter, 8970 mSDsCounter, 0 mSdLazyCounter, 6164 mSolverCounterSat, 5237 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8545 SdHoareTripleChecker+Valid, 14557 SdHoareTripleChecker+Invalid, 11408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5237 IncrementalHoareTripleChecker+Valid, 6164 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:27:39,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8545 Valid, 14557 Invalid, 11408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5237 Valid, 6164 Invalid, 7 Unknown, 0 Unchecked, 30.9s Time] [2021-12-18 09:27:39,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7736 states. [2021-12-18 09:27:39,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7736 to 6925. [2021-12-18 09:27:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6925 states, 4780 states have (on average 1.362970711297071) internal successors, (6515), 4932 states have internal predecessors, (6515), 1873 states have call successors, (1873), 272 states have call predecessors, (1873), 271 states have return successors, (1871), 1832 states have call predecessors, (1871), 1871 states have call successors, (1871) [2021-12-18 09:27:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6925 states to 6925 states and 10259 transitions. [2021-12-18 09:27:40,038 INFO L78 Accepts]: Start accepts. Automaton has 6925 states and 10259 transitions. Word has length 375 [2021-12-18 09:27:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:27:40,041 INFO L470 AbstractCegarLoop]: Abstraction has 6925 states and 10259 transitions. [2021-12-18 09:27:40,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:27:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 6925 states and 10259 transitions. [2021-12-18 09:27:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-12-18 09:27:40,047 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:27:40,047 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:27:40,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:27:40,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:27:40,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:27:40,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1041584632, now seen corresponding path program 1 times [2021-12-18 09:27:40,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:27:40,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935072925] [2021-12-18 09:27:40,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:27:40,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:27:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:27:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:27:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:27:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:27:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:27:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:27:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:27:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:27:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:27:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:27:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:27:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:27:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:27:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:27:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:27:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:27:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:27:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:27:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:27:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:27:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:27:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:27:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:27:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:27:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:27:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:27:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:27:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:27:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:27:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:27:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:27:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-18 09:27:40,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:27:40,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935072925] [2021-12-18 09:27:40,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935072925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:27:40,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:27:40,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:27:40,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985618792] [2021-12-18 09:27:40,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:27:40,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:27:40,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:27:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:27:40,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:27:40,940 INFO L87 Difference]: Start difference. First operand 6925 states and 10259 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:27:48,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:50,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:52,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:27:59,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:00,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:28:00,928 INFO L93 Difference]: Finished difference Result 22197 states and 33199 transitions. [2021-12-18 09:28:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:28:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 376 [2021-12-18 09:28:00,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:28:01,017 INFO L225 Difference]: With dead ends: 22197 [2021-12-18 09:28:01,018 INFO L226 Difference]: Without dead ends: 15336 [2021-12-18 09:28:01,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:28:01,051 INFO L933 BasicCegarLoop]: 5624 mSDtfsCounter, 9812 mSDsluCounter, 6931 mSDsCounter, 0 mSdLazyCounter, 4029 mSolverCounterSat, 7739 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10602 SdHoareTripleChecker+Valid, 12555 SdHoareTripleChecker+Invalid, 11772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7739 IncrementalHoareTripleChecker+Valid, 4029 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:28:01,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10602 Valid, 12555 Invalid, 11772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7739 Valid, 4029 Invalid, 4 Unknown, 0 Unchecked, 19.3s Time] [2021-12-18 09:28:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15336 states. [2021-12-18 09:28:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15336 to 13721. [2021-12-18 09:28:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13721 states, 9478 states have (on average 1.3637898290778645) internal successors, (12926), 9782 states have internal predecessors, (12926), 3701 states have call successors, (3701), 542 states have call predecessors, (3701), 541 states have return successors, (3699), 3620 states have call predecessors, (3699), 3699 states have call successors, (3699) [2021-12-18 09:28:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13721 states to 13721 states and 20326 transitions. [2021-12-18 09:28:01,720 INFO L78 Accepts]: Start accepts. Automaton has 13721 states and 20326 transitions. Word has length 376 [2021-12-18 09:28:01,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:28:01,721 INFO L470 AbstractCegarLoop]: Abstraction has 13721 states and 20326 transitions. [2021-12-18 09:28:01,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:28:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 13721 states and 20326 transitions. [2021-12-18 09:28:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-12-18 09:28:01,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:28:01,727 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:28:01,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:28:01,727 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:28:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:28:01,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1801313051, now seen corresponding path program 1 times [2021-12-18 09:28:01,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:28:01,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244386788] [2021-12-18 09:28:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:28:01,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:28:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:28:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:28:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:28:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:28:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:28:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:28:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:28:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:28:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:28:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:28:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:28:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:28:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:28:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:28:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:28:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:28:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:28:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:28:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:28:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:28:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:28:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:28:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:28:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:28:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:28:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:28:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:28:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:28:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-18 09:28:02,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:28:02,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244386788] [2021-12-18 09:28:02,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244386788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:28:02,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:28:02,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:28:02,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465705214] [2021-12-18 09:28:02,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:28:02,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:28:02,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:28:02,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:28:02,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:28:02,585 INFO L87 Difference]: Start difference. First operand 13721 states and 20326 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:28:11,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:12,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:14,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:16,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:17,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:20,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:22,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:26,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:28,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:30,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:39,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:41,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:28:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:28:44,609 INFO L93 Difference]: Finished difference Result 43700 states and 65318 transitions. [2021-12-18 09:28:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:28:44,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 381 [2021-12-18 09:28:44,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:28:44,773 INFO L225 Difference]: With dead ends: 43700 [2021-12-18 09:28:44,774 INFO L226 Difference]: Without dead ends: 30043 [2021-12-18 09:28:44,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:28:44,843 INFO L933 BasicCegarLoop]: 6080 mSDtfsCounter, 7424 mSDsluCounter, 11623 mSDsCounter, 0 mSdLazyCounter, 8484 mSolverCounterSat, 4984 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8210 SdHoareTripleChecker+Valid, 17703 SdHoareTripleChecker+Invalid, 13477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4984 IncrementalHoareTripleChecker+Valid, 8484 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:28:44,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8210 Valid, 17703 Invalid, 13477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4984 Valid, 8484 Invalid, 9 Unknown, 0 Unchecked, 41.2s Time] [2021-12-18 09:28:44,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30043 states. [2021-12-18 09:28:45,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30043 to 26877. [2021-12-18 09:28:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26877 states, 18566 states have (on average 1.3635678121296995) internal successors, (25316), 19156 states have internal predecessors, (25316), 7237 states have call successors, (7237), 1074 states have call predecessors, (7237), 1073 states have return successors, (7235), 7087 states have call predecessors, (7235), 7235 states have call successors, (7235) [2021-12-18 09:28:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26877 states to 26877 states and 39788 transitions. [2021-12-18 09:28:46,126 INFO L78 Accepts]: Start accepts. Automaton has 26877 states and 39788 transitions. Word has length 381 [2021-12-18 09:28:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:28:46,129 INFO L470 AbstractCegarLoop]: Abstraction has 26877 states and 39788 transitions. [2021-12-18 09:28:46,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 09:28:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 26877 states and 39788 transitions. [2021-12-18 09:28:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-12-18 09:28:46,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:28:46,139 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:28:46,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:28:46,139 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:28:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:28:46,140 INFO L85 PathProgramCache]: Analyzing trace with hash -331402029, now seen corresponding path program 1 times [2021-12-18 09:28:46,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:28:46,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830350582] [2021-12-18 09:28:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:28:46,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:28:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:28:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:28:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:28:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:28:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:28:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:28:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:28:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:28:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:28:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:28:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:28:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:28:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:28:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:28:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:28:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:28:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:28:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:28:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:28:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:28:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:28:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:28:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:28:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:28:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:28:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:28:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:28:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:28:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:28:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:28:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 09:28:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 09:28:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:28:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-18 09:28:47,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:28:47,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830350582] [2021-12-18 09:28:47,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830350582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:28:47,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:28:47,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:28:47,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267211836] [2021-12-18 09:28:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:28:47,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:28:47,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:28:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:28:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:28:47,290 INFO L87 Difference]: Start difference. First operand 26877 states and 39788 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 09:29:01,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:05,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:07,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:29:11,920 INFO L93 Difference]: Finished difference Result 74015 states and 109475 transitions. [2021-12-18 09:29:11,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:29:11,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 409 [2021-12-18 09:29:11,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:29:12,170 INFO L225 Difference]: With dead ends: 74015 [2021-12-18 09:29:12,170 INFO L226 Difference]: Without dead ends: 47202 [2021-12-18 09:29:12,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:29:12,275 INFO L933 BasicCegarLoop]: 7184 mSDtfsCounter, 4569 mSDsluCounter, 13273 mSDsCounter, 0 mSdLazyCounter, 8621 mSolverCounterSat, 3066 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5068 SdHoareTripleChecker+Valid, 20457 SdHoareTripleChecker+Invalid, 11690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3066 IncrementalHoareTripleChecker+Valid, 8621 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:29:12,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5068 Valid, 20457 Invalid, 11690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3066 Valid, 8621 Invalid, 3 Unknown, 0 Unchecked, 23.4s Time] [2021-12-18 09:29:12,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47202 states. [2021-12-18 09:29:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47202 to 42478. [2021-12-18 09:29:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42478 states, 29512 states have (on average 1.3535172133369477) internal successors, (39945), 30408 states have internal predecessors, (39945), 11047 states have call successors, (11047), 1919 states have call predecessors, (11047), 1918 states have return successors, (11045), 10816 states have call predecessors, (11045), 11045 states have call successors, (11045) [2021-12-18 09:29:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42478 states to 42478 states and 62037 transitions. [2021-12-18 09:29:14,924 INFO L78 Accepts]: Start accepts. Automaton has 42478 states and 62037 transitions. Word has length 409 [2021-12-18 09:29:14,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:29:14,925 INFO L470 AbstractCegarLoop]: Abstraction has 42478 states and 62037 transitions. [2021-12-18 09:29:14,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 09:29:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 42478 states and 62037 transitions. [2021-12-18 09:29:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2021-12-18 09:29:14,930 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:29:14,931 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2021-12-18 09:29:14,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:29:14,947 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:29:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:29:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash 156218782, now seen corresponding path program 1 times [2021-12-18 09:29:14,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:29:14,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893481240] [2021-12-18 09:29:14,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:29:14,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:29:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:29:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:29:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:29:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:29:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:29:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:29:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:29:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:29:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:29:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:29:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:29:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:29:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:29:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:29:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:29:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:29:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:29:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:29:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:29:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:29:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:29:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:29:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:29:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:29:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:29:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:29:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:29:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:29:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:29:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 09:29:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 09:29:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 09:29:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-18 09:29:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:29:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 09:29:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 09:29:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 09:29:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 09:29:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-18 09:29:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-18 09:29:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2021-12-18 09:29:16,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:29:16,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893481240] [2021-12-18 09:29:16,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893481240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:29:16,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:29:16,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:29:16,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989379493] [2021-12-18 09:29:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:29:16,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:29:16,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:29:16,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:29:16,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:29:16,273 INFO L87 Difference]: Start difference. First operand 42478 states and 62037 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:29:24,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:27,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:29:29,579 INFO L93 Difference]: Finished difference Result 89652 states and 131769 transitions. [2021-12-18 09:29:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:29:29,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 574 [2021-12-18 09:29:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:29:29,824 INFO L225 Difference]: With dead ends: 89652 [2021-12-18 09:29:29,824 INFO L226 Difference]: Without dead ends: 47190 [2021-12-18 09:29:29,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:29:29,977 INFO L933 BasicCegarLoop]: 4824 mSDtfsCounter, 2676 mSDsluCounter, 11384 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 3566 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 16208 SdHoareTripleChecker+Invalid, 7404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3566 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:29:29,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2780 Valid, 16208 Invalid, 7404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3566 Valid, 3836 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2021-12-18 09:29:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47190 states. [2021-12-18 09:29:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47190 to 42478. [2021-12-18 09:29:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42478 states, 29512 states have (on average 1.3529750609921387) internal successors, (39929), 30408 states have internal predecessors, (39929), 11047 states have call successors, (11047), 1919 states have call predecessors, (11047), 1918 states have return successors, (11045), 10816 states have call predecessors, (11045), 11045 states have call successors, (11045) [2021-12-18 09:29:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42478 states to 42478 states and 62021 transitions. [2021-12-18 09:29:31,564 INFO L78 Accepts]: Start accepts. Automaton has 42478 states and 62021 transitions. Word has length 574 [2021-12-18 09:29:31,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:29:31,565 INFO L470 AbstractCegarLoop]: Abstraction has 42478 states and 62021 transitions. [2021-12-18 09:29:31,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:29:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 42478 states and 62021 transitions. [2021-12-18 09:29:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-12-18 09:29:31,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:29:31,571 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2021-12-18 09:29:31,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:29:31,572 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:29:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:29:31,572 INFO L85 PathProgramCache]: Analyzing trace with hash -816129104, now seen corresponding path program 1 times [2021-12-18 09:29:31,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:29:31,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735631431] [2021-12-18 09:29:31,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:29:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:29:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:29:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:29:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:29:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:29:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:29:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:29:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:29:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:29:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:29:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:29:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:29:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:29:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:29:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:29:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:29:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:29:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:29:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:29:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:29:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:29:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:29:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:29:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:29:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:29:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:29:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:29:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:29:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:29:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:29:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 09:29:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 09:29:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 09:29:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 09:29:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 09:29:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 09:29:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 09:29:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:29:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 09:29:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 09:29:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 09:29:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 09:29:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 09:29:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 09:29:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 09:29:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 09:29:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2021-12-18 09:29:33,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:29:33,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735631431] [2021-12-18 09:29:33,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735631431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:29:33,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:29:33,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:29:33,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088181814] [2021-12-18 09:29:33,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:29:33,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:29:33,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:29:33,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:29:33,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:29:33,050 INFO L87 Difference]: Start difference. First operand 42478 states and 62021 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:29:45,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:48,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:52,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:29:55,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:29:55,931 INFO L93 Difference]: Finished difference Result 115359 states and 170324 transitions. [2021-12-18 09:29:55,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:29:55,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 608 [2021-12-18 09:29:55,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:29:56,552 INFO L225 Difference]: With dead ends: 115359 [2021-12-18 09:29:56,553 INFO L226 Difference]: Without dead ends: 72945 [2021-12-18 09:29:56,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:29:56,663 INFO L933 BasicCegarLoop]: 7248 mSDtfsCounter, 10397 mSDsluCounter, 11040 mSDsCounter, 0 mSdLazyCounter, 6582 mSolverCounterSat, 8799 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11266 SdHoareTripleChecker+Valid, 18288 SdHoareTripleChecker+Invalid, 15384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8799 IncrementalHoareTripleChecker+Valid, 6582 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:29:56,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11266 Valid, 18288 Invalid, 15384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8799 Valid, 6582 Invalid, 3 Unknown, 0 Unchecked, 20.8s Time] [2021-12-18 09:29:56,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72945 states. [2021-12-18 09:29:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72945 to 62816. [2021-12-18 09:29:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62816 states, 43655 states have (on average 1.3526285648837475) internal successors, (59049), 44979 states have internal predecessors, (59049), 16313 states have call successors, (16313), 2844 states have call predecessors, (16313), 2847 states have return successors, (16335), 15972 states have call predecessors, (16335), 16311 states have call successors, (16335) [2021-12-18 09:29:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62816 states to 62816 states and 91697 transitions. [2021-12-18 09:29:59,044 INFO L78 Accepts]: Start accepts. Automaton has 62816 states and 91697 transitions. Word has length 608 [2021-12-18 09:29:59,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:29:59,045 INFO L470 AbstractCegarLoop]: Abstraction has 62816 states and 91697 transitions. [2021-12-18 09:29:59,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:29:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 62816 states and 91697 transitions. [2021-12-18 09:29:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-12-18 09:29:59,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:29:59,053 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:29:59,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:29:59,053 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:29:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:29:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash -567556862, now seen corresponding path program 1 times [2021-12-18 09:29:59,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:29:59,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737173705] [2021-12-18 09:29:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:29:59,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:29:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:29:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:29:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:29:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:29:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:29:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:29:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:29:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:29:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:29:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:29:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:29:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:29:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:29:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:29:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:29:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:29:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:29:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:29:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:29:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:29:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:30:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:30:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:30:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:30:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:30:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:30:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:30:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:30:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:30:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:30:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:30:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:30:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 09:30:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 09:30:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 09:30:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 09:30:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 09:30:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 09:30:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-18 09:30:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 09:30:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:30:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 09:30:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 09:30:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 09:30:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-18 09:30:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 09:30:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 09:30:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 09:30:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 09:30:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 09:30:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 09:30:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 09:30:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-18 09:30:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 09:30:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-18 09:30:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 09:30:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-18 09:30:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2240 trivial. 0 not checked. [2021-12-18 09:30:00,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:30:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737173705] [2021-12-18 09:30:00,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737173705] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:30:00,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:30:00,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:30:00,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129145317] [2021-12-18 09:30:00,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:30:00,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:30:00,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:30:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:30:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:30:00,362 INFO L87 Difference]: Start difference. First operand 62816 states and 91697 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 09:30:15,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:17,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:20,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:22,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:25,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:27,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:29,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:31,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:33,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:35,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:30:42,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:30:42,656 INFO L93 Difference]: Finished difference Result 206755 states and 305727 transitions. [2021-12-18 09:30:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:30:42,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 591 [2021-12-18 09:30:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:30:43,531 INFO L225 Difference]: With dead ends: 206755 [2021-12-18 09:30:43,531 INFO L226 Difference]: Without dead ends: 144003 [2021-12-18 09:30:43,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:30:43,733 INFO L933 BasicCegarLoop]: 5829 mSDtfsCounter, 8354 mSDsluCounter, 11865 mSDsCounter, 0 mSdLazyCounter, 8943 mSolverCounterSat, 5664 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9257 SdHoareTripleChecker+Valid, 17694 SdHoareTripleChecker+Invalid, 14616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5664 IncrementalHoareTripleChecker+Valid, 8943 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:30:43,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9257 Valid, 17694 Invalid, 14616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5664 Valid, 8943 Invalid, 9 Unknown, 0 Unchecked, 38.7s Time] [2021-12-18 09:30:43,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144003 states. [2021-12-18 09:30:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144003 to 123620. [2021-12-18 09:30:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123620 states, 85914 states have (on average 1.3535395860977257) internal successors, (116288), 88557 states have internal predecessors, (116288), 32137 states have call successors, (32137), 5561 states have call predecessors, (32137), 5568 states have return successors, (32183), 31457 states have call predecessors, (32183), 32135 states have call successors, (32183) [2021-12-18 09:30:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123620 states to 123620 states and 180608 transitions. [2021-12-18 09:30:48,746 INFO L78 Accepts]: Start accepts. Automaton has 123620 states and 180608 transitions. Word has length 591 [2021-12-18 09:30:48,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:30:48,747 INFO L470 AbstractCegarLoop]: Abstraction has 123620 states and 180608 transitions. [2021-12-18 09:30:48,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (66), 6 states have call predecessors, (66), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 09:30:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 123620 states and 180608 transitions. [2021-12-18 09:30:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-12-18 09:30:48,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:30:48,753 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2021-12-18 09:30:48,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 09:30:48,754 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:30:48,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:30:48,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1718134985, now seen corresponding path program 1 times [2021-12-18 09:30:48,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:30:48,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38794443] [2021-12-18 09:30:48,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:30:48,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:30:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:30:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:30:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:30:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:30:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:30:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:30:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:30:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:30:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:30:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:30:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:30:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:30:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:30:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:30:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:30:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:30:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:30:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:30:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:30:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:30:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:30:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:30:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:30:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:30:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:30:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:30:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:30:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:30:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:30:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 09:30:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 09:30:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 09:30:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 09:30:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 09:30:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 09:30:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 09:30:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:30:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 09:30:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 09:30:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 09:30:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 09:30:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 09:30:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 09:30:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 09:30:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 09:30:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:30:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:30:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:30:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4320 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2021-12-18 09:30:49,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:30:49,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38794443] [2021-12-18 09:30:49,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38794443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:30:49,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:30:49,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:30:49,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042924630] [2021-12-18 09:30:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:30:49,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:30:49,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:30:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:30:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:30:49,938 INFO L87 Difference]: Start difference. First operand 123620 states and 180608 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:31:08,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:31:11,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:31:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:31:21,102 INFO L93 Difference]: Finished difference Result 334237 states and 493754 transitions. [2021-12-18 09:31:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:31:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 609 [2021-12-18 09:31:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:31:22,535 INFO L225 Difference]: With dead ends: 334237 [2021-12-18 09:31:22,535 INFO L226 Difference]: Without dead ends: 210695 [2021-12-18 09:31:23,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:31:23,098 INFO L933 BasicCegarLoop]: 7464 mSDtfsCounter, 8637 mSDsluCounter, 14491 mSDsCounter, 0 mSdLazyCounter, 9786 mSolverCounterSat, 6458 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9503 SdHoareTripleChecker+Valid, 21955 SdHoareTripleChecker+Invalid, 16246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6458 IncrementalHoareTripleChecker+Valid, 9786 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:31:23,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9503 Valid, 21955 Invalid, 16246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6458 Valid, 9786 Invalid, 2 Unknown, 0 Unchecked, 25.4s Time] [2021-12-18 09:31:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210695 states. [2021-12-18 09:31:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210695 to 181160. [2021-12-18 09:31:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181160 states, 125936 states have (on average 1.3532587981196798) internal successors, (170424), 129795 states have internal predecessors, (170424), 47045 states have call successors, (47045), 8167 states have call predecessors, (47045), 8178 states have return successors, (47139), 46053 states have call predecessors, (47139), 47043 states have call successors, (47139) [2021-12-18 09:31:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181160 states to 181160 states and 264608 transitions. [2021-12-18 09:31:30,721 INFO L78 Accepts]: Start accepts. Automaton has 181160 states and 264608 transitions. Word has length 609 [2021-12-18 09:31:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:31:30,726 INFO L470 AbstractCegarLoop]: Abstraction has 181160 states and 264608 transitions. [2021-12-18 09:31:30,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:31:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 181160 states and 264608 transitions. [2021-12-18 09:31:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-12-18 09:31:30,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:31:30,733 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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] [2021-12-18 09:31:30,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 09:31:30,734 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:31:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:31:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash 466099832, now seen corresponding path program 1 times [2021-12-18 09:31:30,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:31:30,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995386955] [2021-12-18 09:31:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:31:30,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:31:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:31:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:31:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:31:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:31:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:31:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:31:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:31:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:31:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:31:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:31:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:31:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:31:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 09:31:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:31:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 09:31:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:31:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 09:31:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:31:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:31:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 09:31:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:31:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 09:31:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 09:31:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:31:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:31:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:31:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:31:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:31:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:31:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 09:31:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 09:31:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 09:31:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 09:31:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 09:31:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 09:31:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 09:31:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:31:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 09:31:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 09:31:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 09:31:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 09:31:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 09:31:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 09:31:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 09:31:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 09:31:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:31:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:31:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:31:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4319 trivial. 0 not checked. [2021-12-18 09:31:31,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:31:31,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995386955] [2021-12-18 09:31:31,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995386955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:31:31,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:31:31,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:31:31,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768293569] [2021-12-18 09:31:31,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:31:31,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:31:31,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:31:31,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:31:31,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:31:31,982 INFO L87 Difference]: Start difference. First operand 181160 states and 264608 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:31:44,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:31:48,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:31:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:31:54,679 INFO L93 Difference]: Finished difference Result 287334 states and 426755 transitions. [2021-12-18 09:31:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:31:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 611 [2021-12-18 09:31:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:31:56,465 INFO L225 Difference]: With dead ends: 287334 [2021-12-18 09:31:56,465 INFO L226 Difference]: Without dead ends: 287330 [2021-12-18 09:31:56,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:31:56,637 INFO L933 BasicCegarLoop]: 6083 mSDtfsCounter, 6969 mSDsluCounter, 8544 mSDsCounter, 0 mSdLazyCounter, 4927 mSolverCounterSat, 6000 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7461 SdHoareTripleChecker+Valid, 14627 SdHoareTripleChecker+Invalid, 10929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6000 IncrementalHoareTripleChecker+Valid, 4927 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:31:56,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7461 Valid, 14627 Invalid, 10929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6000 Valid, 4927 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-12-18 09:31:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287330 states. [2021-12-18 09:32:05,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287330 to 248195. [2021-12-18 09:32:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248195 states, 173748 states have (on average 1.3613796993346685) internal successors, (236537), 180310 states have internal predecessors, (236537), 61960 states have call successors, (61960), 12139 states have call predecessors, (61960), 12486 states have return successors, (64575), 60185 states have call predecessors, (64575), 61959 states have call successors, (64575) [2021-12-18 09:32:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248195 states to 248195 states and 363072 transitions. [2021-12-18 09:32:07,128 INFO L78 Accepts]: Start accepts. Automaton has 248195 states and 363072 transitions. Word has length 611 [2021-12-18 09:32:07,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:32:07,129 INFO L470 AbstractCegarLoop]: Abstraction has 248195 states and 363072 transitions. [2021-12-18 09:32:07,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 09:32:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 248195 states and 363072 transitions. [2021-12-18 09:32:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2021-12-18 09:32:07,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:32:07,159 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:32:07,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 09:32:07,160 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:32:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:32:07,160 INFO L85 PathProgramCache]: Analyzing trace with hash 756383817, now seen corresponding path program 1 times [2021-12-18 09:32:07,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:32:07,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212484145] [2021-12-18 09:32:07,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:32:07,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms