./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-32_7a-drivers--usb--host--fotg210-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-32_7a-drivers--usb--host--fotg210-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 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 07:53:49,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 07:53:49,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 07:53:49,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 07:53:49,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 07:53:49,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 07:53:49,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 07:53:49,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 07:53:49,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 07:53:49,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 07:53:49,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 07:53:49,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 07:53:49,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 07:53:49,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 07:53:49,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 07:53:49,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 07:53:49,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 07:53:49,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 07:53:49,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 07:53:49,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 07:53:49,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 07:53:49,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 07:53:49,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 07:53:49,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 07:53:49,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 07:53:49,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 07:53:49,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 07:53:49,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 07:53:49,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 07:53:49,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 07:53:49,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 07:53:49,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 07:53:49,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 07:53:49,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 07:53:49,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 07:53:49,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 07:53:49,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 07:53:49,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 07:53:49,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 07:53:49,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 07:53:49,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 07:53:49,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 07:53:49,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 07:53:49,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 07:53:49,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 07:53:49,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 07:53:49,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 07:53:49,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 07:53:49,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 07:53:49,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 07:53:49,877 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 07:53:49,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 07:53:49,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 07:53:49,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 07:53:49,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 07:53:49,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 07:53:49,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 07:53:49,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 07:53:49,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:53:49,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 07:53:49,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 07:53:49,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 07:53:49,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 07:53:49,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 07:53:49,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 07:53:49,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 07:53:49,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 07:53:49,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 07:53:49,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08b5f37246b5db2704912edf2e599b38e840680a1db95349b6967c3c4646cf90 [2021-12-18 07:53:50,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 07:53:50,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 07:53:50,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 07:53:50,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 07:53:50,120 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 07:53:50,121 INFO L432 ainManager$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-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-18 07:53:50,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4618a6179/eead36a0f761431681315ffe9e09c353/FLAG79fdc214a [2021-12-18 07:53:50,813 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 07:53:50,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-18 07:53:50,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4618a6179/eead36a0f761431681315ffe9e09c353/FLAG79fdc214a [2021-12-18 07:53:51,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4618a6179/eead36a0f761431681315ffe9e09c353 [2021-12-18 07:53:51,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 07:53:51,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 07:53:51,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 07:53:51,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 07:53:51,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 07:53:51,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:53:51" (1/1) ... [2021-12-18 07:53:51,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfad567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:51, skipping insertion in model container [2021-12-18 07:53:51,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:53:51" (1/1) ... [2021-12-18 07:53:51,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 07:53:51,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 07:53:53,313 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-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2021-12-18 07:53:53,466 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 07:53:53,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:53:53,499 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 07:53:53,880 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-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2021-12-18 07:53:53,888 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 07:53:53,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:53:53,968 INFO L208 MainTranslator]: Completed translation [2021-12-18 07:53:53,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53 WrapperNode [2021-12-18 07:53:53,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 07:53:53,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 07:53:53,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 07:53:53,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 07:53:53,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,337 INFO L137 Inliner]: procedures = 381, calls = 4764, calls flagged for inlining = 148, calls inlined = 144, statements flattened = 11505 [2021-12-18 07:53:54,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 07:53:54,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 07:53:54,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 07:53:54,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 07:53:54,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 07:53:54,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 07:53:54,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 07:53:54,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 07:53:54,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (1/1) ... [2021-12-18 07:53:54,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:53:54,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 07:53:54,768 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 07:53:54,779 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 07:53:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-18 07:53:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-18 07:53:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2021-12-18 07:53:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2021-12-18 07:53:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-18 07:53:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-18 07:53:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-18 07:53:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-18 07:53:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-18 07:53:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-18 07:53:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2021-12-18 07:53:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2021-12-18 07:53:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 07:53:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 07:53:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 07:53:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 07:53:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2021-12-18 07:53:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2021-12-18 07:53:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-18 07:53:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-18 07:53:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2021-12-18 07:53:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2021-12-18 07:53:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2021-12-18 07:53:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2021-12-18 07:53:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 07:53:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 07:53:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 07:53:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 07:53:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-18 07:53:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-18 07:53:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-18 07:53:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-18 07:53:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-18 07:53:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-18 07:53:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-18 07:53:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-18 07:53:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 07:53:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 07:53:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 07:53:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 07:53:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2021-12-18 07:53:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2021-12-18 07:53:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-18 07:53:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-18 07:53:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2021-12-18 07:53:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2021-12-18 07:53:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-18 07:53:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-18 07:53:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2021-12-18 07:53:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2021-12-18 07:53:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 07:53:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 07:53:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 07:53:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 07:53:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-18 07:53:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-18 07:53:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 07:53:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 07:53:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2021-12-18 07:53:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2021-12-18 07:53:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2021-12-18 07:53:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2021-12-18 07:53:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-18 07:53:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-18 07:53:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-18 07:53:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-18 07:53:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 07:53:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 07:53:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2021-12-18 07:53:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2021-12-18 07:53:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 07:53:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 07:53:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-18 07:53:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-18 07:53:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2021-12-18 07:53:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2021-12-18 07:53:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2021-12-18 07:53:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2021-12-18 07:53:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2021-12-18 07:53:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2021-12-18 07:53:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-18 07:53:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-18 07:53:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 07:53:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 07:53:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2021-12-18 07:53:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2021-12-18 07:53:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 07:53:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 07:53:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 07:53:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-18 07:53:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-18 07:53:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2021-12-18 07:53:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2021-12-18 07:53:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-18 07:53:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-18 07:53:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 07:53:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 07:53:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-18 07:53:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-18 07:53:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-18 07:53:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-18 07:53:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 07:53:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 07:53:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-18 07:53:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-18 07:53:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 07:53:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 07:53:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2021-12-18 07:53:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2021-12-18 07:53:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 07:53:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 07:53:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-18 07:53:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-18 07:53:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2021-12-18 07:53:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2021-12-18 07:53:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-18 07:53:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-18 07:53:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 07:53:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 07:53:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2021-12-18 07:53:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2021-12-18 07:53:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-18 07:53:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-18 07:53:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-18 07:53:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-18 07:53:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2021-12-18 07:53:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2021-12-18 07:53:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-18 07:53:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-18 07:53:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2021-12-18 07:53:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2021-12-18 07:53:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-18 07:53:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-18 07:53:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 07:53:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 07:53:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2021-12-18 07:53:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2021-12-18 07:53:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 07:53:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 07:53:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 07:53:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 07:53:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 07:53:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 07:53:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 07:53:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 07:53:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-18 07:53:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-18 07:53:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2021-12-18 07:53:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2021-12-18 07:53:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2021-12-18 07:53:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2021-12-18 07:53:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 07:53:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 07:53:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-18 07:53:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-18 07:53:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-18 07:53:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-18 07:53:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-18 07:53:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-18 07:53:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2021-12-18 07:53:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2021-12-18 07:53:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-18 07:53:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-18 07:53:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 07:53:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 07:53:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2021-12-18 07:53:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2021-12-18 07:53:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 07:53:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 07:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2021-12-18 07:53:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2021-12-18 07:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2021-12-18 07:53:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2021-12-18 07:53:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2021-12-18 07:53:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2021-12-18 07:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2021-12-18 07:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2021-12-18 07:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 07:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 07:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 07:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2021-12-18 07:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2021-12-18 07:53:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2021-12-18 07:53:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2021-12-18 07:53:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-18 07:53:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-18 07:53:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2021-12-18 07:53:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2021-12-18 07:53:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-18 07:53:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-18 07:53:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-18 07:53:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-18 07:53:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 07:53:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 07:53:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2021-12-18 07:53:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2021-12-18 07:53:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-18 07:53:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-18 07:53:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 07:53:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 07:53:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2021-12-18 07:53:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2021-12-18 07:53:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 07:53:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 07:53:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 07:53:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 07:53:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 07:53:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2021-12-18 07:53:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2021-12-18 07:53:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-18 07:53:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-18 07:53:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 07:53:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 07:53:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 07:53:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 07:53:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-18 07:53:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-18 07:53:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 07:53:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 07:53:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 07:53:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2021-12-18 07:53:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2021-12-18 07:53:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 07:53:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 07:53:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 07:53:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 07:53:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 07:53:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-18 07:53:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-18 07:53:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-18 07:53:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-18 07:53:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-18 07:53:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-18 07:53:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 07:53:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2021-12-18 07:53:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2021-12-18 07:53:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2021-12-18 07:53:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2021-12-18 07:53:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-18 07:53:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-18 07:53:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 07:53:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 07:53:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 07:53:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 07:53:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2021-12-18 07:53:54,848 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2021-12-18 07:53:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-18 07:53:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-18 07:53:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-18 07:53:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-18 07:53:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-18 07:53:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-18 07:53:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 07:53:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 07:53:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-18 07:53:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-18 07:53:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 07:53:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 07:53:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-18 07:53:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-18 07:53:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-18 07:53:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-18 07:53:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-18 07:53:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-18 07:53:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2021-12-18 07:53:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2021-12-18 07:53:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-18 07:53:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-18 07:53:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 07:53:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 07:53:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2021-12-18 07:53:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2021-12-18 07:53:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-18 07:53:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-18 07:53:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 07:53:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 07:53:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-18 07:53:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-18 07:53:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 07:53:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 07:53:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 07:53:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 07:53:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 07:53:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 07:53:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 07:53:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 07:53:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-18 07:53:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-18 07:53:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 07:53:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2021-12-18 07:53:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2021-12-18 07:53:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2021-12-18 07:53:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2021-12-18 07:53:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2021-12-18 07:53:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2021-12-18 07:53:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 07:53:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 07:53:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-18 07:53:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-18 07:53:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 07:53:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 07:53:55,757 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 07:53:55,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 07:53:56,146 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 07:54:05,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2021-12-18 07:54:05,369 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 07:54:05,393 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 07:54:05,393 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 07:54:05,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:54:05 BoogieIcfgContainer [2021-12-18 07:54:05,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 07:54:05,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 07:54:05,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 07:54:05,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 07:54:05,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:53:51" (1/3) ... [2021-12-18 07:54:05,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0a1429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:54:05, skipping insertion in model container [2021-12-18 07:54:05,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:53:53" (2/3) ... [2021-12-18 07:54:05,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0a1429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:54:05, skipping insertion in model container [2021-12-18 07:54:05,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:54:05" (3/3) ... [2021-12-18 07:54:05,405 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-18 07:54:05,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 07:54:05,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 07:54:05,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 07:54:05,467 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 07:54:05,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 07:54:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 3585 states, 2457 states have (on average 1.3626373626373627) internal successors, (3348), 2546 states have internal predecessors, (3348), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) [2021-12-18 07:54:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-18 07:54:05,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:54:05,544 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] [2021-12-18 07:54:05,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:54:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:54:05,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1724648938, now seen corresponding path program 1 times [2021-12-18 07:54:05,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:54:05,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231657013] [2021-12-18 07:54:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:54:05,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:54:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:54:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:54:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:54:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:54:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:54:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:54:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:54:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:54:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:54:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:54:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:54:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:54:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:54:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:54:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:54:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:54:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:54:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:54:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:54:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:54:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:54:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:54:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:54:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:54:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:54:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:54:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:54:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:54:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:06,965 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 07:54:06,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:54:06,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231657013] [2021-12-18 07:54:06,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231657013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:54:06,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:54:06,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:54:06,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236042594] [2021-12-18 07:54:06,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:54:06,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:54:06,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:54:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:54:07,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:54:07,013 INFO L87 Difference]: Start difference. First operand has 3585 states, 2457 states have (on average 1.3626373626373627) internal successors, (3348), 2546 states have internal predecessors, (3348), 983 states have call successors, (983), 144 states have call predecessors, (983), 143 states have return successors, (975), 956 states have call predecessors, (975), 975 states have call successors, (975) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 07:54:17,541 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 07:54:19,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:21,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:25,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:27,075 WARN L534 Checker$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 07:54:29,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:30,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:32,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:34,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:35,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:37,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:54:37,878 INFO L93 Difference]: Finished difference Result 7551 states and 11357 transitions. [2021-12-18 07:54:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 07:54:37,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 374 [2021-12-18 07:54:37,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:54:37,921 INFO L225 Difference]: With dead ends: 7551 [2021-12-18 07:54:37,921 INFO L226 Difference]: Without dead ends: 3946 [2021-12-18 07:54:37,953 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 07:54:37,956 INFO L933 BasicCegarLoop]: 4931 mSDtfsCounter, 1629 mSDsluCounter, 6368 mSDsCounter, 0 mSdLazyCounter, 4906 mSolverCounterSat, 2363 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 11299 SdHoareTripleChecker+Invalid, 7277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2363 IncrementalHoareTripleChecker+Valid, 4906 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2021-12-18 07:54:37,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1735 Valid, 11299 Invalid, 7277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2363 Valid, 4906 Invalid, 8 Unknown, 0 Unchecked, 30.3s Time] [2021-12-18 07:54:37,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2021-12-18 07:54:38,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3561. [2021-12-18 07:54:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2445 states have (on average 1.3578732106339468) internal successors, (3320), 2524 states have internal predecessors, (3320), 973 states have call successors, (973), 143 states have call predecessors, (973), 142 states have return successors, (967), 948 states have call predecessors, (967), 967 states have call successors, (967) [2021-12-18 07:54:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5260 transitions. [2021-12-18 07:54:38,241 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5260 transitions. Word has length 374 [2021-12-18 07:54:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:54:38,242 INFO L470 AbstractCegarLoop]: Abstraction has 3561 states and 5260 transitions. [2021-12-18 07:54:38,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 07:54:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5260 transitions. [2021-12-18 07:54:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-18 07:54:38,248 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:54:38,249 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] [2021-12-18 07:54:38,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 07:54:38,249 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:54:38,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:54:38,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1178241278, now seen corresponding path program 1 times [2021-12-18 07:54:38,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:54:38,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241192112] [2021-12-18 07:54:38,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:54:38,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:54:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:54:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:54:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:54:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:54:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:54:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:54:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:54:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:54:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:54:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:54:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:54:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:54:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:54:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:54:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:54:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:54:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:54:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:54:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:54:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:54:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:54:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:54:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:54:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:54:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:54:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:54:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:54:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:54:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:54:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:54:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:54:39,067 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 07:54:39,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:54:39,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241192112] [2021-12-18 07:54:39,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241192112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:54:39,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:54:39,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:54:39,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747882306] [2021-12-18 07:54:39,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:54:39,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:54:39,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:54:39,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:54:39,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:54:39,071 INFO L87 Difference]: Start difference. First operand 3561 states and 5260 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:54:49,947 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 07:54:52,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:54:55,951 WARN L534 Checker$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 07:55:05,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:55:07,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:55:09,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:55:09,783 INFO L93 Difference]: Finished difference Result 11282 states and 16815 transitions. [2021-12-18 07:55:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:55:09,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 374 [2021-12-18 07:55:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:55:09,832 INFO L225 Difference]: With dead ends: 11282 [2021-12-18 07:55:09,832 INFO L226 Difference]: Without dead ends: 7785 [2021-12-18 07:55:09,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:55:09,849 INFO L933 BasicCegarLoop]: 5691 mSDtfsCounter, 7679 mSDsluCounter, 11042 mSDsCounter, 0 mSdLazyCounter, 8272 mSolverCounterSat, 5262 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8475 SdHoareTripleChecker+Valid, 16733 SdHoareTripleChecker+Invalid, 13539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5262 IncrementalHoareTripleChecker+Valid, 8272 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2021-12-18 07:55:09,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8475 Valid, 16733 Invalid, 13539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5262 Valid, 8272 Invalid, 5 Unknown, 0 Unchecked, 30.1s Time] [2021-12-18 07:55:09,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7785 states. [2021-12-18 07:55:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7785 to 7019. [2021-12-18 07:55:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7019 states, 4830 states have (on average 1.360248447204969) internal successors, (6570), 4987 states have internal predecessors, (6570), 1904 states have call successors, (1904), 284 states have call predecessors, (1904), 284 states have return successors, (1904), 1857 states have call predecessors, (1904), 1898 states have call successors, (1904) [2021-12-18 07:55:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7019 states to 7019 states and 10378 transitions. [2021-12-18 07:55:10,200 INFO L78 Accepts]: Start accepts. Automaton has 7019 states and 10378 transitions. Word has length 374 [2021-12-18 07:55:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:55:10,203 INFO L470 AbstractCegarLoop]: Abstraction has 7019 states and 10378 transitions. [2021-12-18 07:55:10,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:55:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7019 states and 10378 transitions. [2021-12-18 07:55:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 07:55:10,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:55:10,208 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 07:55:10,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 07:55:10,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:55:10,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:55:10,208 INFO L85 PathProgramCache]: Analyzing trace with hash -157467062, now seen corresponding path program 1 times [2021-12-18 07:55:10,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:55:10,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508078096] [2021-12-18 07:55:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:55:10,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:55:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:55:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:55:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:55:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:55:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:55:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:55:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:55:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:55:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:55:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:55:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:55:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:55:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:55:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:55:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:55:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:55:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:55:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:55:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:55:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:55:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:55:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:55:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:55:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:55:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:55:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:55:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:55:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:55:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:10,910 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 07:55:10,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:55:10,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508078096] [2021-12-18 07:55:10,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508078096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:55:10,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:55:10,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:55:10,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696731369] [2021-12-18 07:55:10,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:55:10,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:55:10,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:55:10,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:55:10,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:55:10,913 INFO L87 Difference]: Start difference. First operand 7019 states and 10378 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:55:17,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:55:20,738 WARN L534 Checker$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 07:55:22,799 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 07:55:28,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:55:28,477 INFO L93 Difference]: Finished difference Result 22365 states and 33326 transitions. [2021-12-18 07:55:28,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:55:28,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 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 07:55:28,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:55:28,571 INFO L225 Difference]: With dead ends: 22365 [2021-12-18 07:55:28,571 INFO L226 Difference]: Without dead ends: 15410 [2021-12-18 07:55:28,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:55:28,608 INFO L933 BasicCegarLoop]: 5714 mSDtfsCounter, 9706 mSDsluCounter, 6999 mSDsCounter, 0 mSdLazyCounter, 4039 mSolverCounterSat, 7829 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10507 SdHoareTripleChecker+Valid, 12713 SdHoareTripleChecker+Invalid, 11871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7829 IncrementalHoareTripleChecker+Valid, 4039 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-12-18 07:55:28,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10507 Valid, 12713 Invalid, 11871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7829 Valid, 4039 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2021-12-18 07:55:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15410 states. [2021-12-18 07:55:29,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15410 to 13899. [2021-12-18 07:55:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13899 states, 9572 states have (on average 1.360948600083577) internal successors, (13027), 9883 states have internal predecessors, (13027), 3759 states have call successors, (3759), 566 states have call predecessors, (3759), 567 states have return successors, (3765), 3669 states have call predecessors, (3765), 3753 states have call successors, (3765) [2021-12-18 07:55:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13899 states to 13899 states and 20551 transitions. [2021-12-18 07:55:29,190 INFO L78 Accepts]: Start accepts. Automaton has 13899 states and 20551 transitions. Word has length 375 [2021-12-18 07:55:29,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:55:29,194 INFO L470 AbstractCegarLoop]: Abstraction has 13899 states and 20551 transitions. [2021-12-18 07:55:29,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:55:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 13899 states and 20551 transitions. [2021-12-18 07:55:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-12-18 07:55:29,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:55:29,198 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] [2021-12-18 07:55:29,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 07:55:29,199 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:55:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:55:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -789668524, now seen corresponding path program 1 times [2021-12-18 07:55:29,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:55:29,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620885342] [2021-12-18 07:55:29,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:55:29,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:55:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:55:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:55:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:55:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:55:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:55:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:55:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:55:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:55:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:55:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:55:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:55:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:55:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:55:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:55:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:55:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:55:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:55:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:55:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:55:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:55:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:55:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:55:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:55:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:55:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:55:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:55:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:55:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:55:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:55:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:55:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:55:29,848 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 07:55:29,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:55:29,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620885342] [2021-12-18 07:55:29,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620885342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:55:29,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:55:29,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:55:29,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000987971] [2021-12-18 07:55:29,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:55:29,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:55:29,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:55:29,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:55:29,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:55:29,851 INFO L87 Difference]: Start difference. First operand 13899 states and 20551 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:55:38,825 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 07:55:40,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:55:44,172 WARN L534 Checker$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 07:55:46,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:55:48,263 WARN L534 Checker$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 07:55:59,124 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 07:56:01,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:01,028 INFO L93 Difference]: Finished difference Result 43973 states and 65490 transitions. [2021-12-18 07:56:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:56:01,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 380 [2021-12-18 07:56:01,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:01,179 INFO L225 Difference]: With dead ends: 43973 [2021-12-18 07:56:01,179 INFO L226 Difference]: Without dead ends: 30138 [2021-12-18 07:56:01,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:56:01,231 INFO L933 BasicCegarLoop]: 6140 mSDtfsCounter, 7379 mSDsluCounter, 11698 mSDsCounter, 0 mSdLazyCounter, 8516 mSolverCounterSat, 5057 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8181 SdHoareTripleChecker+Valid, 17838 SdHoareTripleChecker+Invalid, 13579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5057 IncrementalHoareTripleChecker+Valid, 8516 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:01,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8181 Valid, 17838 Invalid, 13579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5057 Valid, 8516 Invalid, 6 Unknown, 0 Unchecked, 30.2s Time] [2021-12-18 07:56:01,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30138 states. [2021-12-18 07:56:02,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30138 to 27198. [2021-12-18 07:56:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27198 states, 18734 states have (on average 1.3608412512010248) internal successors, (25494), 19336 states have internal predecessors, (25494), 7341 states have call successors, (7341), 1119 states have call predecessors, (7341), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2021-12-18 07:56:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27198 states to 27198 states and 40194 transitions. [2021-12-18 07:56:02,352 INFO L78 Accepts]: Start accepts. Automaton has 27198 states and 40194 transitions. Word has length 380 [2021-12-18 07:56:02,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:02,353 INFO L470 AbstractCegarLoop]: Abstraction has 27198 states and 40194 transitions. [2021-12-18 07:56:02,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 07:56:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 27198 states and 40194 transitions. [2021-12-18 07:56:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-18 07:56:02,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:02,357 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] [2021-12-18 07:56:02,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 07:56:02,358 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:02,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:02,358 INFO L85 PathProgramCache]: Analyzing trace with hash -974321365, now seen corresponding path program 1 times [2021-12-18 07:56:02,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:02,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011666260] [2021-12-18 07:56:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:02,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:56:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:56:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:56:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:56:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:56:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:56:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:56:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:56:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:56:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:56:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:56:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:56:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:56:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:56:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:56:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:56:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:56:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:56:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:56:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:56:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:56:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:56:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:56:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,294 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 07:56:03,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:03,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011666260] [2021-12-18 07:56:03,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011666260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:03,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:03,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:03,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142697730] [2021-12-18 07:56:03,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:03,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:03,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:03,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:03,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:03,297 INFO L87 Difference]: Start difference. First operand 27198 states and 40194 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:56:12,356 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 07:56:14,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:16,663 WARN L534 Checker$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 07:56:20,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:22,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:24,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:26,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:30,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:30,797 INFO L93 Difference]: Finished difference Result 30126 states and 45012 transitions. [2021-12-18 07:56:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:56:30,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 383 [2021-12-18 07:56:30,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:30,975 INFO L225 Difference]: With dead ends: 30126 [2021-12-18 07:56:30,975 INFO L226 Difference]: Without dead ends: 30123 [2021-12-18 07:56:30,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:56:30,990 INFO L933 BasicCegarLoop]: 4900 mSDtfsCounter, 6056 mSDsluCounter, 6315 mSDsCounter, 0 mSdLazyCounter, 4923 mSolverCounterSat, 3014 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 11215 SdHoareTripleChecker+Invalid, 7944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3014 IncrementalHoareTripleChecker+Valid, 4923 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:30,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6743 Valid, 11215 Invalid, 7944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3014 Valid, 4923 Invalid, 7 Unknown, 0 Unchecked, 26.8s Time] [2021-12-18 07:56:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30123 states. [2021-12-18 07:56:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30123 to 27197. [2021-12-18 07:56:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27197 states, 18734 states have (on average 1.3607878723177111) internal successors, (25493), 19335 states have internal predecessors, (25493), 7340 states have call successors, (7340), 1119 states have call predecessors, (7340), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2021-12-18 07:56:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27197 states to 27197 states and 40192 transitions. [2021-12-18 07:56:32,067 INFO L78 Accepts]: Start accepts. Automaton has 27197 states and 40192 transitions. Word has length 383 [2021-12-18 07:56:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:32,069 INFO L470 AbstractCegarLoop]: Abstraction has 27197 states and 40192 transitions. [2021-12-18 07:56:32,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:56:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 27197 states and 40192 transitions. [2021-12-18 07:56:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-18 07:56:32,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:32,072 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] [2021-12-18 07:56:32,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 07:56:32,072 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:32,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash -140893604, now seen corresponding path program 1 times [2021-12-18 07:56:32,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:32,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741502301] [2021-12-18 07:56:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:32,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:56:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:56:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:56:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:56:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:56:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:56:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:56:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:56:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:56:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:56:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:56:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:56:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:56:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:56:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:56:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:56:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:56:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:56:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:56:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:56:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:56:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:56:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:56:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,945 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 07:56:32,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:32,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741502301] [2021-12-18 07:56:32,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741502301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:32,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:32,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:32,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969535991] [2021-12-18 07:56:32,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:32,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:32,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:32,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:32,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:32,948 INFO L87 Difference]: Start difference. First operand 27197 states and 40192 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:56:42,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:44,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:48,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:50,093 WARN L534 Checker$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 07:56:52,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:56:56,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:56,439 INFO L93 Difference]: Finished difference Result 30125 states and 45010 transitions. [2021-12-18 07:56:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:56:56,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 384 [2021-12-18 07:56:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:56,581 INFO L225 Difference]: With dead ends: 30125 [2021-12-18 07:56:56,581 INFO L226 Difference]: Without dead ends: 30122 [2021-12-18 07:56:56,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:56:56,603 INFO L933 BasicCegarLoop]: 4891 mSDtfsCounter, 6058 mSDsluCounter, 6299 mSDsCounter, 0 mSdLazyCounter, 4920 mSolverCounterSat, 3002 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6747 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 7927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3002 IncrementalHoareTripleChecker+Valid, 4920 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:56,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6747 Valid, 11190 Invalid, 7927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3002 Valid, 4920 Invalid, 5 Unknown, 0 Unchecked, 22.8s Time] [2021-12-18 07:56:56,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30122 states. [2021-12-18 07:56:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30122 to 27196. [2021-12-18 07:56:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27196 states, 18734 states have (on average 1.3607344934343975) internal successors, (25492), 19334 states have internal predecessors, (25492), 7339 states have call successors, (7339), 1119 states have call predecessors, (7339), 1122 states have return successors, (7359), 7176 states have call predecessors, (7359), 7335 states have call successors, (7359) [2021-12-18 07:56:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27196 states to 27196 states and 40190 transitions. [2021-12-18 07:56:57,702 INFO L78 Accepts]: Start accepts. Automaton has 27196 states and 40190 transitions. Word has length 384 [2021-12-18 07:56:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:57,703 INFO L470 AbstractCegarLoop]: Abstraction has 27196 states and 40190 transitions. [2021-12-18 07:56:57,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:56:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27196 states and 40190 transitions. [2021-12-18 07:56:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 07:56:57,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:57,705 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] [2021-12-18 07:56:57,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 07:56:57,706 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:57,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:57,706 INFO L85 PathProgramCache]: Analyzing trace with hash -74431922, now seen corresponding path program 1 times [2021-12-18 07:56:57,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:57,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514239567] [2021-12-18 07:56:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:57,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:56:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:56:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:56:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:56:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:56:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:56:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:56:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:56:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:56:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:56:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:56:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:56:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:56:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:56:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:56:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:56:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:56:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:56:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:56:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:56:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:56:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:56:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:56:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:58,370 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 07:56:58,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:58,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514239567] [2021-12-18 07:56:58,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514239567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:58,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:58,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:58,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811436474] [2021-12-18 07:56:58,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:58,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:58,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:58,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:58,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:58,372 INFO L87 Difference]: Start difference. First operand 27196 states and 40190 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:57:07,122 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 07:57:09,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:57:12,653 WARN L534 Checker$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 07:57:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:18,450 INFO L93 Difference]: Finished difference Result 42423 states and 62368 transitions. [2021-12-18 07:57:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:57:18,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 385 [2021-12-18 07:57:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:18,590 INFO L225 Difference]: With dead ends: 42423 [2021-12-18 07:57:18,591 INFO L226 Difference]: Without dead ends: 42419 [2021-12-18 07:57:18,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:57:18,609 INFO L933 BasicCegarLoop]: 5234 mSDtfsCounter, 6390 mSDsluCounter, 6708 mSDsCounter, 0 mSdLazyCounter, 4860 mSolverCounterSat, 3883 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7075 SdHoareTripleChecker+Valid, 11942 SdHoareTripleChecker+Invalid, 8746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3883 IncrementalHoareTripleChecker+Valid, 4860 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:18,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7075 Valid, 11942 Invalid, 8746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3883 Valid, 4860 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2021-12-18 07:57:18,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42419 states. [2021-12-18 07:57:19,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42419 to 38208. [2021-12-18 07:57:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38208 states, 26338 states have (on average 1.3464196218391677) internal successors, (35462), 27139 states have internal predecessors, (35462), 10040 states have call successors, (10040), 1826 states have call predecessors, (10040), 1829 states have return successors, (10062), 9851 states have call predecessors, (10062), 10038 states have call successors, (10062) [2021-12-18 07:57:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38208 states to 38208 states and 55564 transitions. [2021-12-18 07:57:19,958 INFO L78 Accepts]: Start accepts. Automaton has 38208 states and 55564 transitions. Word has length 385 [2021-12-18 07:57:19,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:19,959 INFO L470 AbstractCegarLoop]: Abstraction has 38208 states and 55564 transitions. [2021-12-18 07:57:19,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:57:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 38208 states and 55564 transitions. [2021-12-18 07:57:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-12-18 07:57:19,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:19,962 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] [2021-12-18 07:57:19,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 07:57:19,962 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:19,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:19,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1985885087, now seen corresponding path program 1 times [2021-12-18 07:57:19,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:19,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039636497] [2021-12-18 07:57:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:19,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:57:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:57:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:57:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:57:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:57:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:57:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:57:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:57:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:57:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:57:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:57:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:57:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:57:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:57:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:57:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:57:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:57:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:57:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:57:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:57:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:57:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:57:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:57:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:20,568 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 07:57:20,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:20,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039636497] [2021-12-18 07:57:20,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039636497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:20,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:20,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:57:20,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461407628] [2021-12-18 07:57:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:20,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:57:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:57:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:57:20,570 INFO L87 Difference]: Start difference. First operand 38208 states and 55564 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:57:28,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:57:30,715 WARN L534 Checker$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 07:57:33,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:57:35,672 WARN L534 Checker$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 07:57:37,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:57:39,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:57:43,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:43,507 INFO L93 Difference]: Finished difference Result 42419 states and 62357 transitions. [2021-12-18 07:57:43,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:57:43,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 386 [2021-12-18 07:57:43,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:43,702 INFO L225 Difference]: With dead ends: 42419 [2021-12-18 07:57:43,702 INFO L226 Difference]: Without dead ends: 42346 [2021-12-18 07:57:43,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:57:43,736 INFO L933 BasicCegarLoop]: 4873 mSDtfsCounter, 6066 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 3503 mSolverCounterSat, 3021 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6762 SdHoareTripleChecker+Valid, 9289 SdHoareTripleChecker+Invalid, 6530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3021 IncrementalHoareTripleChecker+Valid, 3503 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:43,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6762 Valid, 9289 Invalid, 6530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3021 Valid, 3503 Invalid, 6 Unknown, 0 Unchecked, 21.9s Time] [2021-12-18 07:57:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42346 states. [2021-12-18 07:57:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42346 to 38137. [2021-12-18 07:57:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38137 states, 26300 states have (on average 1.3463117870722434) internal successors, (35408), 27093 states have internal predecessors, (35408), 10015 states have call successors, (10015), 1818 states have call predecessors, (10015), 1821 states have return successors, (10038), 9834 states have call predecessors, (10038), 10014 states have call successors, (10038) [2021-12-18 07:57:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38137 states to 38137 states and 55461 transitions. [2021-12-18 07:57:45,194 INFO L78 Accepts]: Start accepts. Automaton has 38137 states and 55461 transitions. Word has length 386 [2021-12-18 07:57:45,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:45,195 INFO L470 AbstractCegarLoop]: Abstraction has 38137 states and 55461 transitions. [2021-12-18 07:57:45,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 07:57:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 38137 states and 55461 transitions. [2021-12-18 07:57:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-12-18 07:57:45,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:45,218 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] [2021-12-18 07:57:45,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 07:57:45,218 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2101117963, now seen corresponding path program 1 times [2021-12-18 07:57:45,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:45,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895567605] [2021-12-18 07:57:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:45,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:57:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:57:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:57:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:57:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:57:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:57:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:57:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:57:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:57:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:57:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:57:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:57:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:57:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:57:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:57:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:57:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:57:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:57:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:57:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:57:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:57:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:57:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:57:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 07:57:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 07:57:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 07:57:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-18 07:57:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 07:57:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 07:57:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 07:57:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 07:57:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 07:57:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-18 07:57:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-18 07:57:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-18 07:57:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-12-18 07:57:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,264 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 07:57:46,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:46,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895567605] [2021-12-18 07:57:46,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895567605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:46,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:46,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 07:57:46,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537410459] [2021-12-18 07:57:46,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:46,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 07:57:46,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:46,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 07:57:46,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:57:46,267 INFO L87 Difference]: Start difference. First operand 38137 states and 55461 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 07:58:01,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:03,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:05,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:07,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:12,499 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 07:58:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:58:18,868 INFO L93 Difference]: Finished difference Result 80443 states and 117654 transitions. [2021-12-18 07:58:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 07:58:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 586 [2021-12-18 07:58:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:58:19,033 INFO L225 Difference]: With dead ends: 80443 [2021-12-18 07:58:19,033 INFO L226 Difference]: Without dead ends: 42346 [2021-12-18 07:58:19,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-18 07:58:19,138 INFO L933 BasicCegarLoop]: 4174 mSDtfsCounter, 4623 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 15515 mSolverCounterSat, 3821 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5370 SdHoareTripleChecker+Valid, 8615 SdHoareTripleChecker+Invalid, 19341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3821 IncrementalHoareTripleChecker+Valid, 15515 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-12-18 07:58:19,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5370 Valid, 8615 Invalid, 19341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3821 Valid, 15515 Invalid, 5 Unknown, 0 Unchecked, 31.1s Time] [2021-12-18 07:58:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42346 states. [2021-12-18 07:58:20,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42346 to 38137. [2021-12-18 07:58:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38137 states, 26300 states have (on average 1.3460076045627376) internal successors, (35400), 27093 states have internal predecessors, (35400), 10015 states have call successors, (10015), 1818 states have call predecessors, (10015), 1821 states have return successors, (10038), 9834 states have call predecessors, (10038), 10014 states have call successors, (10038) [2021-12-18 07:58:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38137 states to 38137 states and 55453 transitions. [2021-12-18 07:58:20,546 INFO L78 Accepts]: Start accepts. Automaton has 38137 states and 55453 transitions. Word has length 586 [2021-12-18 07:58:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:58:20,547 INFO L470 AbstractCegarLoop]: Abstraction has 38137 states and 55453 transitions. [2021-12-18 07:58:20,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 07:58:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38137 states and 55453 transitions. [2021-12-18 07:58:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-12-18 07:58:20,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:58:20,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:20,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 07:58:20,566 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:58:20,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:58:20,567 INFO L85 PathProgramCache]: Analyzing trace with hash -51454827, now seen corresponding path program 1 times [2021-12-18 07:58:20,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:58:20,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710129251] [2021-12-18 07:58:20,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:58:20,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:58:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:58:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:58:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:58:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:58:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:58:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:58:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:58:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:58:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:58:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:58:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:58:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:58:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:58:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:58:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:58:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:58:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:58:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:58:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:58:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:58:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:58:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:58:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:58:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:58:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:58:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:58:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:58:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:58:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 07:58:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 07:58:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 07:58:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 07:58:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 07:58:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 07:58:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 07:58:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 07:58:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 07:58:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 07:58:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 07:58:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 07:58:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 07:58:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 07:58:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 07:58:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 07:58:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-18 07:58:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-18 07:58:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4322 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2021-12-18 07:58:21,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:58:21,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710129251] [2021-12-18 07:58:21,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710129251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:58:21,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:58:21,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 07:58:21,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579181519] [2021-12-18 07:58:21,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:58:21,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 07:58:21,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:58:21,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 07:58:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:58:21,599 INFO L87 Difference]: Start difference. First operand 38137 states and 55453 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 07:58:34,050 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 07:58:36,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:38,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:41,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:58:58,675 WARN L534 Checker$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 07:59:00,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:59:06,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:59:06,526 INFO L93 Difference]: Finished difference Result 103493 states and 152101 transitions. [2021-12-18 07:59:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 07:59:06,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 626 [2021-12-18 07:59:06,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:59:06,838 INFO L225 Difference]: With dead ends: 103493 [2021-12-18 07:59:06,838 INFO L226 Difference]: Without dead ends: 65420 [2021-12-18 07:59:06,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-18 07:59:06,958 INFO L933 BasicCegarLoop]: 7650 mSDtfsCounter, 10629 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 19304 mSolverCounterSat, 9978 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11434 SdHoareTripleChecker+Valid, 11387 SdHoareTripleChecker+Invalid, 29288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9978 IncrementalHoareTripleChecker+Valid, 19304 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2021-12-18 07:59:06,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11434 Valid, 11387 Invalid, 29288 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9978 Valid, 19304 Invalid, 6 Unknown, 0 Unchecked, 42.4s Time] [2021-12-18 07:59:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65420 states. [2021-12-18 07:59:09,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65420 to 56126. [2021-12-18 07:59:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56126 states, 38722 states have (on average 1.346573007592583) internal successors, (52142), 39889 states have internal predecessors, (52142), 14730 states have call successors, (14730), 2670 states have call predecessors, (14730), 2673 states have return successors, (14765), 14464 states have call predecessors, (14765), 14729 states have call successors, (14765) [2021-12-18 07:59:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56126 states to 56126 states and 81637 transitions. [2021-12-18 07:59:09,386 INFO L78 Accepts]: Start accepts. Automaton has 56126 states and 81637 transitions. Word has length 626 [2021-12-18 07:59:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:59:09,387 INFO L470 AbstractCegarLoop]: Abstraction has 56126 states and 81637 transitions. [2021-12-18 07:59:09,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 07:59:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 56126 states and 81637 transitions. [2021-12-18 07:59:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-12-18 07:59:09,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:59:09,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:59:09,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 07:59:09,409 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:59:09,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:59:09,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2028698475, now seen corresponding path program 1 times [2021-12-18 07:59:09,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:59:09,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664375722] [2021-12-18 07:59:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:59:09,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:59:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:59:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:59:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:59:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:59:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:59:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 07:59:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 07:59:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 07:59:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 07:59:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 07:59:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 07:59:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 07:59:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 07:59:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 07:59:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 07:59:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 07:59:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 07:59:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 07:59:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 07:59:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 07:59:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 07:59:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 07:59:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 07:59:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 07:59:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 07:59:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 07:59:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 07:59:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 07:59:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 07:59:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 07:59:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 07:59:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 07:59:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 07:59:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 07:59:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 07:59:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 07:59:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 07:59:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 07:59:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 07:59:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 07:59:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 07:59:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 07:59:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 07:59:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 07:59:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-18 07:59:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-18 07:59:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,848 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 07:59:10,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:59:10,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664375722] [2021-12-18 07:59:10,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664375722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:59:10,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:59:10,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 07:59:10,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075200405] [2021-12-18 07:59:10,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:59:10,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 07:59:10,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:59:10,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 07:59:10,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:59:10,851 INFO L87 Difference]: Start difference. First operand 56126 states and 81637 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 07:59:23,617 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 07:59:25,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:59:30,324 WARN L534 Checker$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 07:59:32,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:59:34,441 WARN L534 Checker$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 07:59:37,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 07:59:39,305 WARN L534 Checker$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 07:59:59,067 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 08:00:03,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:00:03,273 INFO L93 Difference]: Finished difference Result 151821 states and 223234 transitions. [2021-12-18 08:00:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 08:00:03,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 620 [2021-12-18 08:00:03,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:00:03,848 INFO L225 Difference]: With dead ends: 151821 [2021-12-18 08:00:03,849 INFO L226 Difference]: Without dead ends: 95759 [2021-12-18 08:00:04,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-18 08:00:04,026 INFO L933 BasicCegarLoop]: 7701 mSDtfsCounter, 10648 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 19290 mSolverCounterSat, 9957 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11466 SdHoareTripleChecker+Valid, 11584 SdHoareTripleChecker+Invalid, 29255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9957 IncrementalHoareTripleChecker+Valid, 19290 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:00:04,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11466 Valid, 11584 Invalid, 29255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9957 Valid, 19290 Invalid, 8 Unknown, 0 Unchecked, 48.9s Time] [2021-12-18 08:00:04,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95759 states. [2021-12-18 08:00:07,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95759 to 82169. [2021-12-18 08:00:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82169 states, 56699 states have (on average 1.3470078837369266) internal successors, (76374), 58408 states have internal predecessors, (76374), 21574 states have call successors, (21574), 3892 states have call predecessors, (21574), 3895 states have return successors, (21645), 21184 states have call predecessors, (21645), 21573 states have call successors, (21645) [2021-12-18 08:00:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82169 states to 82169 states and 119593 transitions. [2021-12-18 08:00:07,561 INFO L78 Accepts]: Start accepts. Automaton has 82169 states and 119593 transitions. Word has length 620 [2021-12-18 08:00:07,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:00:07,562 INFO L470 AbstractCegarLoop]: Abstraction has 82169 states and 119593 transitions. [2021-12-18 08:00:07,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 08:00:07,562 INFO L276 IsEmpty]: Start isEmpty. Operand 82169 states and 119593 transitions. [2021-12-18 08:00:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-18 08:00:07,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:00:07,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:00:07,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 08:00:07,578 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:00:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:00:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash 672889017, now seen corresponding path program 1 times [2021-12-18 08:00:07,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:00:07,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116568655] [2021-12-18 08:00:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:00:07,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:00:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:00:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:00:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:00:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:00:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:00:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:00:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:00:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:00:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:00:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:00:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:00:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:00:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:00:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:00:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:00:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:00:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:00:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 08:00:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:00:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 08:00:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 08:00:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 08:00:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 08:00:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 08:00:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 08:00:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 08:00:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 08:00:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 08:00:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 08:00:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 08:00:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 08:00:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 08:00:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 08:00:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 08:00:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 08:00:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 08:00:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 08:00:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 08:00:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 08:00:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 08:00:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 08:00:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 08:00:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 08:00:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 08:00:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 08:00:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-12-18 08:00:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-18 08:00:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:08,745 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 08:00:08,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:00:08,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116568655] [2021-12-18 08:00:08,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116568655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:00:08,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:00:08,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:00:08,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871018201] [2021-12-18 08:00:08,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:00:08,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:00:08,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:00:08,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:00:08,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:00:08,747 INFO L87 Difference]: Start difference. First operand 82169 states and 119593 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 08:00:24,635 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 08:00:26,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:29,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:31,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:36,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:38,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:40,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:42,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:44,279 WARN L534 Checker$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 08:00:46,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:48,393 WARN L534 Checker$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 08:00:50,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:54,640 WARN L534 Checker$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 08:00:56,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:00:58,756 WARN L534 Checker$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 08:01:23,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:25,617 WARN L534 Checker$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 08:01:27,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:29,110 WARN L534 Checker$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 08:01:31,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:33,333 WARN L534 Checker$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 08:01:35,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:38,919 WARN L534 Checker$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 08:01:40,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:43,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:01:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:01:48,094 INFO L93 Difference]: Finished difference Result 221152 states and 325474 transitions. [2021-12-18 08:01:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 08:01:48,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 621 [2021-12-18 08:01:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:01:48,911 INFO L225 Difference]: With dead ends: 221152 [2021-12-18 08:01:48,911 INFO L226 Difference]: Without dead ends: 139047 [2021-12-18 08:01:49,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-18 08:01:49,150 INFO L933 BasicCegarLoop]: 7709 mSDtfsCounter, 10184 mSDsluCounter, 4604 mSDsCounter, 0 mSdLazyCounter, 25009 mSolverCounterSat, 9662 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10995 SdHoareTripleChecker+Valid, 12313 SdHoareTripleChecker+Invalid, 34694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9662 IncrementalHoareTripleChecker+Valid, 25009 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.2s IncrementalHoareTripleChecker+Time [2021-12-18 08:01:49,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10995 Valid, 12313 Invalid, 34694 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9662 Valid, 25009 Invalid, 23 Unknown, 0 Unchecked, 94.2s Time] [2021-12-18 08:01:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139047 states. [2021-12-18 08:01:53,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139047 to 119636. [2021-12-18 08:01:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119636 states, 82533 states have (on average 1.347776041098712) internal successors, (111236), 85031 states have internal predecessors, (111236), 31482 states have call successors, (31482), 5613 states have call predecessors, (31482), 5620 states have return successors, (31643), 30903 states have call predecessors, (31643), 31481 states have call successors, (31643) [2021-12-18 08:01:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119636 states to 119636 states and 174361 transitions. [2021-12-18 08:01:54,494 INFO L78 Accepts]: Start accepts. Automaton has 119636 states and 174361 transitions. Word has length 621 [2021-12-18 08:01:54,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:01:54,495 INFO L470 AbstractCegarLoop]: Abstraction has 119636 states and 174361 transitions. [2021-12-18 08:01:54,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-18 08:01:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 119636 states and 174361 transitions. [2021-12-18 08:01:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2021-12-18 08:01:54,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:01:54,692 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, 3, 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, 1, 1, 1] [2021-12-18 08:01:54,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 08:01:54,692 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:01:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:01:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash -89483750, now seen corresponding path program 1 times [2021-12-18 08:01:54,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:01:54,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215110882] [2021-12-18 08:01:54,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:01:54,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:01:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:01:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:01:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:01:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:01:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:01:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:01:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:01:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:01:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:01:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:01:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:01:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:01:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:01:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:01:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:01:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:01:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:01:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 08:01:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:01:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 08:01:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 08:01:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 08:01:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 08:01:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 08:01:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 08:01:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 08:01:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 08:01:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 08:01:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 08:01:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 08:01:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 08:01:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 08:01:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 08:01:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 08:01:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 08:01:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 08:01:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 08:01:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 08:01:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 08:01:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 08:01:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 08:01:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 08:01:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 08:01:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 08:01:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 08:01:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:01:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-18 08:01:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:01:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-12-18 08:01:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-12-18 08:01:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:01:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4330 trivial. 0 not checked. [2021-12-18 08:01:55,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:01:55,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215110882] [2021-12-18 08:01:55,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215110882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:01:55,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:01:55,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 08:01:55,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679288040] [2021-12-18 08:01:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:01:55,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 08:01:55,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:01:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 08:01:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:01:55,612 INFO L87 Difference]: Start difference. First operand 119636 states and 174361 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (59), 9 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-12-18 08:02:09,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:02:11,890 WARN L534 Checker$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 08:02:14,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:02:18,561 WARN L534 Checker$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 08:02:20,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:02:22,697 WARN L534 Checker$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 08:02:24,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:02:27,588 WARN L534 Checker$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 08:02:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:02:42,221 INFO L93 Difference]: Finished difference Result 139292 states and 206168 transitions. [2021-12-18 08:02:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 08:02:42,221 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (59), 9 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 660 [2021-12-18 08:02:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:02:42,229 INFO L225 Difference]: With dead ends: 139292 [2021-12-18 08:02:42,229 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 08:02:42,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-18 08:02:42,704 INFO L933 BasicCegarLoop]: 5838 mSDtfsCounter, 8665 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 15297 mSolverCounterSat, 8933 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9294 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 24238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8933 IncrementalHoareTripleChecker+Valid, 15297 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2021-12-18 08:02:42,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9294 Valid, 7775 Invalid, 24238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8933 Valid, 15297 Invalid, 8 Unknown, 0 Unchecked, 42.8s Time] [2021-12-18 08:02:42,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 08:02:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 08:02:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 08:02:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 08:02:42,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 660 [2021-12-18 08:02:42,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:02:42,730 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 08:02:42,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (59), 9 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-12-18 08:02:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 08:02:42,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 08:02:42,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 08:02:42,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 08:02:42,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 08:03:46,695 WARN L227 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 72 DAG size of output: 70 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:04:16,044 WARN L227 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:04:31,592 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:04:37,199 WARN L227 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 71 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:04:47,725 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:04:53,311 WARN L227 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 71 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:04,825 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 72 DAG size of output: 70 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:17,930 WARN L227 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:23,510 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 71 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:32,668 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 69 DAG size of output: 65 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:45,748 WARN L227 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 67 DAG size of output: 65 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:05:50,951 WARN L227 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:06:11,885 WARN L227 SmtUtils]: Spent 11.08s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:06:22,946 WARN L227 SmtUtils]: Spent 11.06s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:06:35,691 WARN L227 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 67 DAG size of output: 65 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:06:49,005 WARN L227 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 71 DAG size of output: 69 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:07:05,947 WARN L227 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 72 DAG size of output: 70 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-18 08:07:11,599 WARN L227 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 69 DAG size of output: 65 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15