./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--hid--usbhid--usbhid.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--hid--usbhid--usbhid.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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:39:32,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:39:32,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:39:32,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:39:32,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:39:32,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:39:32,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:39:32,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:39:32,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:39:32,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:39:32,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:39:32,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:39:32,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:39:32,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:39:32,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:39:32,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:39:32,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:39:32,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:39:32,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:39:32,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:39:32,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:39:32,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:39:32,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:39:32,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:39:32,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:39:32,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:39:32,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:39:32,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:39:32,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:39:32,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:39:32,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:39:32,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:39:32,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:39:32,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:39:32,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:39:32,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:39:32,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:39:32,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:39:32,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:39:32,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:39:32,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:39:32,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:39:32,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:39:32,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:39:32,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:39:32,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:39:32,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:39:32,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:39:32,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:39:32,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:39:32,729 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:39:32,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:39:32,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:39:32,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:39:32,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:39:32,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:39:32,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:39:32,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:39:32,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:39:32,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:39:32,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:39:32,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:39:32,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:39:32,733 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:39:32,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:39:32,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:39:32,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:39:32,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-12-18 06:39:32,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:39:32,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:39:32,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:39:32,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:39:32,977 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:39:32,978 INFO L432 ainManager$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--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-18 06:39:33,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646d0ed60/01707802e41d407e80a0e34c9b6228cd/FLAGdbc242d27 [2021-12-18 06:39:33,693 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:39:33,694 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--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-18 06:39:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646d0ed60/01707802e41d407e80a0e34c9b6228cd/FLAGdbc242d27 [2021-12-18 06:39:34,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/646d0ed60/01707802e41d407e80a0e34c9b6228cd [2021-12-18 06:39:34,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:39:34,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:39:34,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:39:34,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:39:34,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:39:34,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:39:34" (1/1) ... [2021-12-18 06:39:34,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2e00de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:34, skipping insertion in model container [2021-12-18 06:39:34,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:39:34" (1/1) ... [2021-12-18 06:39:34,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:39:34,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:39:36,568 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--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-12-18 06:39:36,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:39:36,776 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:39:37,169 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--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-12-18 06:39:37,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:39:37,282 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:39:37,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37 WrapperNode [2021-12-18 06:39:37,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:39:37,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:39:37,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:39:37,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:39:37,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,635 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2021-12-18 06:39:37,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:39:37,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:39:37,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:39:37,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:39:37,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:37,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:38,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:39:38,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:39:38,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:39:38,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:39:38,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (1/1) ... [2021-12-18 06:39:38,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:39:38,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:39:38,073 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 06:39:38,093 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 06:39:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 06:39:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 06:39:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 06:39:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-12-18 06:39:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-12-18 06:39:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:39:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:39:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-18 06:39:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-18 06:39:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-12-18 06:39:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-12-18 06:39:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-12-18 06:39:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-12-18 06:39:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:39:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:39:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-12-18 06:39:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-12-18 06:39:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-12-18 06:39:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-12-18 06:39:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 06:39:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 06:39:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-12-18 06:39:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-12-18 06:39:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-18 06:39:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-18 06:39:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-12-18 06:39:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-12-18 06:39:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-12-18 06:39:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-12-18 06:39:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-18 06:39:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-18 06:39:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 06:39:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 06:39:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-12-18 06:39:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-12-18 06:39:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-12-18 06:39:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-12-18 06:39:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:39:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:39:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 06:39:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-18 06:39:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-18 06:39:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-18 06:39:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-18 06:39:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-12-18 06:39:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-12-18 06:39:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 06:39:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 06:39:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 06:39:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 06:39:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-12-18 06:39:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-12-18 06:39:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-12-18 06:39:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-12-18 06:39:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:39:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-18 06:39:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-18 06:39:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-12-18 06:39:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-12-18 06:39:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 06:39:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 06:39:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 06:39:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 06:39:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 06:39:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 06:39:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-12-18 06:39:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-12-18 06:39:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-12-18 06:39:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-12-18 06:39:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 06:39:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 06:39:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:39:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-12-18 06:39:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-12-18 06:39:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-12-18 06:39:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-12-18 06:39:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-18 06:39:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-18 06:39:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 06:39:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 06:39:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:39:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-12-18 06:39:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-12-18 06:39:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-12-18 06:39:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-12-18 06:39:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-12-18 06:39:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-12-18 06:39:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-18 06:39:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-18 06:39:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:39:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-12-18 06:39:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-12-18 06:39:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:39:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:39:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 06:39:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 06:39:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-12-18 06:39:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-12-18 06:39:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-18 06:39:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-18 06:39:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 06:39:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 06:39:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 06:39:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 06:39:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-12-18 06:39:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-12-18 06:39:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 06:39:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 06:39:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-18 06:39:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-18 06:39:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-12-18 06:39:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-12-18 06:39:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-18 06:39:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-18 06:39:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-12-18 06:39:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-12-18 06:39:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:39:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:39:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-12-18 06:39:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-12-18 06:39:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:39:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-18 06:39:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-18 06:39:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-12-18 06:39:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 06:39:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-12-18 06:39:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 06:39:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-12-18 06:39:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-12-18 06:39:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 06:39:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 06:39:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:39:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:39:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 06:39:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 06:39:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-12-18 06:39:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-12-18 06:39:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 06:39:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 06:39:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-12-18 06:39:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-12-18 06:39:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-12-18 06:39:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-12-18 06:39:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 06:39:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 06:39:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-12-18 06:39:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-12-18 06:39:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-18 06:39:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-18 06:39:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 06:39:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 06:39:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 06:39:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 06:39:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-12-18 06:39:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-12-18 06:39:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 06:39:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 06:39:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-12-18 06:39:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-12-18 06:39:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 06:39:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 06:39:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:39:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:39:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 06:39:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 06:39:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-12-18 06:39:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 06:39:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:39:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 06:39:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 06:39:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-18 06:39:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-18 06:39:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-18 06:39:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-18 06:39:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-18 06:39:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-18 06:39:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-12-18 06:39:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-12-18 06:39:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-12-18 06:39:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-12-18 06:39:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:39:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:39:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:39:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:39:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-18 06:39:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-18 06:39:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:39:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:39:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-12-18 06:39:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-12-18 06:39:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:39:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:39:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-18 06:39:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-18 06:39:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-12-18 06:39:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-12-18 06:39:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 06:39:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-18 06:39:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-12-18 06:39:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:39:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-18 06:39:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-18 06:39:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-12-18 06:39:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-12-18 06:39:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-12-18 06:39:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-12-18 06:39:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:39:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-12-18 06:39:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-12-18 06:39:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-12-18 06:39:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-12-18 06:39:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-18 06:39:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-18 06:39:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-12-18 06:39:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-12-18 06:39:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-18 06:39:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-18 06:39:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-12-18 06:39:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-12-18 06:39:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-12-18 06:39:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-12-18 06:39:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:39:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-12-18 06:39:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-12-18 06:39:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 06:39:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 06:39:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:39:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:39:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:39:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:39:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 06:39:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 06:39:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-12-18 06:39:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-12-18 06:39:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 06:39:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 06:39:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-12-18 06:39:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-12-18 06:39:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-12-18 06:39:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-12-18 06:39:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 06:39:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 06:39:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-12-18 06:39:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-12-18 06:39:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-12-18 06:39:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-12-18 06:39:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 06:39:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 06:39:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-12-18 06:39:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-12-18 06:39:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-12-18 06:39:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-12-18 06:39:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 06:39:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 06:39:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 06:39:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 06:39:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-18 06:39:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-18 06:39:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-12-18 06:39:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-12-18 06:39:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-18 06:39:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-18 06:39:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:39:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:39:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:39:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-12-18 06:39:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-12-18 06:39:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 06:39:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 06:39:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:39:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:39:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-12-18 06:39:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-12-18 06:39:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-12-18 06:39:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-12-18 06:39:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-12-18 06:39:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-12-18 06:39:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 06:39:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 06:39:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:39:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:39:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 06:39:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 06:39:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-18 06:39:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-18 06:39:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 06:39:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 06:39:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 06:39:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 06:39:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 06:39:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 06:39:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-12-18 06:39:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-12-18 06:39:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-12-18 06:39:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-12-18 06:39:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-12-18 06:39:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-12-18 06:39:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 06:39:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 06:39:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-12-18 06:39:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-12-18 06:39:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:39:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-18 06:39:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-18 06:39:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-18 06:39:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-18 06:39:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-12-18 06:39:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-12-18 06:39:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-12-18 06:39:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-12-18 06:39:38,909 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:39:38,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:39:39,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:39:49,590 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:39:49,606 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:39:49,607 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 06:39:49,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:39:49 BoogieIcfgContainer [2021-12-18 06:39:49,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:39:49,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:39:49,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:39:49,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:39:49,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:39:34" (1/3) ... [2021-12-18 06:39:49,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef9dda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:39:49, skipping insertion in model container [2021-12-18 06:39:49,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:39:37" (2/3) ... [2021-12-18 06:39:49,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef9dda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:39:49, skipping insertion in model container [2021-12-18 06:39:49,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:39:49" (3/3) ... [2021-12-18 06:39:49,617 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-18 06:39:49,621 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:39:49,621 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:39:49,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:39:49,667 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 06:39:49,668 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:39:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2021-12-18 06:39:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-18 06:39:49,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:39:49,740 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:49,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:39:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:39:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-12-18 06:39:49,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:39:49,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038823784] [2021-12-18 06:39:49,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:39:49,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:39:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:39:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:39:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:39:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:39:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:39:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:39:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:39:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:39:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:39:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:39:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:39:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:39:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:39:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:39:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:39:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:39:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:39:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:39:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:39:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-18 06:39:50,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:39:50,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038823784] [2021-12-18 06:39:50,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038823784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:39:50,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:39:50,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:39:50,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152578134] [2021-12-18 06:39:50,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:39:50,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:39:50,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:39:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:39:50,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:39:50,901 INFO L87 Difference]: Start difference. First operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 06:40:01,703 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 06:40:03,735 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 06:40:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:40:04,199 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-12-18 06:40:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:40:04,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2021-12-18 06:40:04,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:40:04,231 INFO L225 Difference]: With dead ends: 5942 [2021-12-18 06:40:04,232 INFO L226 Difference]: Without dead ends: 3119 [2021-12-18 06:40:04,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 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 06:40:04,252 INFO L933 BasicCegarLoop]: 3787 mSDtfsCounter, 1740 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 3491 mSolverCounterSat, 1738 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 8457 SdHoareTripleChecker+Invalid, 5231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 3491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:40:04,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1815 Valid, 8457 Invalid, 5231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1738 Valid, 3491 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-12-18 06:40:04,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-12-18 06:40:04,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-12-18 06:40:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1951 states have (on average 1.3680164018452077) internal successors, (2669), 2011 states have internal predecessors, (2669), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2021-12-18 06:40:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-12-18 06:40:04,432 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-12-18 06:40:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:40:04,433 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-12-18 06:40:04,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 06:40:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-12-18 06:40:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-18 06:40:04,440 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:40:04,440 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:04,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:40:04,442 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:40:04,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:40:04,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-12-18 06:40:04,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:40:04,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944815682] [2021-12-18 06:40:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:40:04,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:40:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:40:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:40:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:40:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:40:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:40:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:40:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:40:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:40:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:40:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:40:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:40:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:40:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:40:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:40:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:40:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-18 06:40:05,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:40:05,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944815682] [2021-12-18 06:40:05,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944815682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:40:05,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:40:05,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:40:05,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678943980] [2021-12-18 06:40:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:40:05,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:40:05,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:40:05,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:40:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:40:05,025 INFO L87 Difference]: Start difference. First operand 2796 states and 4043 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 06:40:21,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:23,799 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 06:40:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:40:27,619 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-12-18 06:40:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:40:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2021-12-18 06:40:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:40:27,658 INFO L225 Difference]: With dead ends: 8720 [2021-12-18 06:40:27,658 INFO L226 Difference]: Without dead ends: 5959 [2021-12-18 06:40:27,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 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 06:40:27,676 INFO L933 BasicCegarLoop]: 4442 mSDtfsCounter, 6466 mSDsluCounter, 8066 mSDsCounter, 0 mSdLazyCounter, 6372 mSolverCounterSat, 3679 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 12508 SdHoareTripleChecker+Invalid, 10052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3679 IncrementalHoareTripleChecker+Valid, 6372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:40:27,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6964 Valid, 12508 Invalid, 10052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3679 Valid, 6372 Invalid, 1 Unknown, 0 Unchecked, 22.0s Time] [2021-12-18 06:40:27,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-12-18 06:40:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-12-18 06:40:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.3645692681609505) internal successors, (5053), 3809 states have internal predecessors, (5053), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-12-18 06:40:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-12-18 06:40:28,021 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-12-18 06:40:28,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:40:28,022 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-12-18 06:40:28,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 06:40:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-12-18 06:40:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-18 06:40:28,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:40:28,026 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:28,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:40:28,026 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:40:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:40:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-12-18 06:40:28,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:40:28,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834051898] [2021-12-18 06:40:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:40:28,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:40:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:40:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:40:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:40:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:40:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:40:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:40:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:40:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:40:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:40:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:40:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:40:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:40:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:40:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:40:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:40:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-18 06:40:28,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:40:28,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834051898] [2021-12-18 06:40:28,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834051898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:40:28,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:40:28,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:40:28,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285952964] [2021-12-18 06:40:28,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:40:28,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:40:28,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:40:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:40:28,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:40:28,605 INFO L87 Difference]: Start difference. First operand 5293 states and 7627 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 06:40:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:40:37,880 INFO L93 Difference]: Finished difference Result 12705 states and 18871 transitions. [2021-12-18 06:40:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:40:37,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2021-12-18 06:40:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:40:37,925 INFO L225 Difference]: With dead ends: 12705 [2021-12-18 06:40:37,926 INFO L226 Difference]: Without dead ends: 7447 [2021-12-18 06:40:37,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:40:37,951 INFO L933 BasicCegarLoop]: 4645 mSDtfsCounter, 4732 mSDsluCounter, 9494 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 3294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 14139 SdHoareTripleChecker+Invalid, 6966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3294 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:40:37,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 14139 Invalid, 6966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3294 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-18 06:40:37,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2021-12-18 06:40:38,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 5293. [2021-12-18 06:40:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.364029165541453) internal successors, (5051), 3807 states have internal predecessors, (5051), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-12-18 06:40:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7625 transitions. [2021-12-18 06:40:38,161 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7625 transitions. Word has length 215 [2021-12-18 06:40:38,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:40:38,163 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7625 transitions. [2021-12-18 06:40:38,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-18 06:40:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7625 transitions. [2021-12-18 06:40:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 06:40:38,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:40:38,167 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:38,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:40:38,167 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:40:38,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:40:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash -896631735, now seen corresponding path program 1 times [2021-12-18 06:40:38,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:40:38,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116484306] [2021-12-18 06:40:38,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:40:38,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:40:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:40:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:40:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:40:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:40:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:40:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:40:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:40:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:40:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:40:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:40:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:40:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:40:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:40:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:40:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:40:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 06:40:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:40:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-18 06:40:38,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:40:38,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116484306] [2021-12-18 06:40:38,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116484306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:40:38,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:40:38,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:40:38,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602982119] [2021-12-18 06:40:38,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:40:38,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:40:38,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:40:38,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:40:38,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:40:38,736 INFO L87 Difference]: Start difference. First operand 5293 states and 7625 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 06:40:51,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:40:53,443 INFO L93 Difference]: Finished difference Result 17463 states and 25803 transitions. [2021-12-18 06:40:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:40:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2021-12-18 06:40:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:40:53,620 INFO L225 Difference]: With dead ends: 17463 [2021-12-18 06:40:53,620 INFO L226 Difference]: Without dead ends: 12205 [2021-12-18 06:40:53,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:40:53,677 INFO L933 BasicCegarLoop]: 4640 mSDtfsCounter, 10375 mSDsluCounter, 6927 mSDsCounter, 0 mSdLazyCounter, 4893 mSolverCounterSat, 7527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11011 SdHoareTripleChecker+Valid, 11567 SdHoareTripleChecker+Invalid, 12420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7527 IncrementalHoareTripleChecker+Valid, 4893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:40:53,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11011 Valid, 11567 Invalid, 12420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7527 Valid, 4893 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2021-12-18 06:40:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12205 states. [2021-12-18 06:40:54,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12205 to 10429. [2021-12-18 06:40:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10429 states, 7298 states have (on average 1.3639353247465058) internal successors, (9954), 7491 states have internal predecessors, (9954), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2021-12-18 06:40:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 15018 transitions. [2021-12-18 06:40:54,478 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 15018 transitions. Word has length 223 [2021-12-18 06:40:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:40:54,479 INFO L470 AbstractCegarLoop]: Abstraction has 10429 states and 15018 transitions. [2021-12-18 06:40:54,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 06:40:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 15018 transitions. [2021-12-18 06:40:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-18 06:40:54,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:40:54,499 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:54,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 06:40:54,500 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:40:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:40:54,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1707076702, now seen corresponding path program 1 times [2021-12-18 06:40:54,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:40:54,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5806775] [2021-12-18 06:40:54,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:40:54,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:40:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:40:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:40:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:40:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:40:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:40:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:40:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:40:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:40:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:40:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:40:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:40:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:40:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:40:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:40:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:40:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:40:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:40:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:40:55,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:40:55,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5806775] [2021-12-18 06:40:55,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5806775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:40:55,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:40:55,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:40:55,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760179969] [2021-12-18 06:40:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:40:55,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:40:55,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:40:55,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:40:55,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:40:55,054 INFO L87 Difference]: Start difference. First operand 10429 states and 15018 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-18 06:41:06,883 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 06:41:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:07,724 INFO L93 Difference]: Finished difference Result 23188 states and 34104 transitions. [2021-12-18 06:41:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:41:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 234 [2021-12-18 06:41:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:07,781 INFO L225 Difference]: With dead ends: 23188 [2021-12-18 06:41:07,781 INFO L226 Difference]: Without dead ends: 12794 [2021-12-18 06:41:07,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:41:07,823 INFO L933 BasicCegarLoop]: 4314 mSDtfsCounter, 6185 mSDsluCounter, 7590 mSDsCounter, 0 mSdLazyCounter, 4106 mSolverCounterSat, 2849 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6659 SdHoareTripleChecker+Valid, 11904 SdHoareTripleChecker+Invalid, 6956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2849 IncrementalHoareTripleChecker+Valid, 4106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:07,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6659 Valid, 11904 Invalid, 6956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2849 Valid, 4106 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-12-18 06:41:07,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12794 states. [2021-12-18 06:41:08,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12794 to 10433. [2021-12-18 06:41:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10433 states, 7302 states have (on average 1.3635990139687757) internal successors, (9957), 7495 states have internal predecessors, (9957), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2021-12-18 06:41:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10433 states to 10433 states and 15021 transitions. [2021-12-18 06:41:08,198 INFO L78 Accepts]: Start accepts. Automaton has 10433 states and 15021 transitions. Word has length 234 [2021-12-18 06:41:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:08,199 INFO L470 AbstractCegarLoop]: Abstraction has 10433 states and 15021 transitions. [2021-12-18 06:41:08,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-18 06:41:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 10433 states and 15021 transitions. [2021-12-18 06:41:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-18 06:41:08,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:08,204 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:08,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:41:08,204 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:08,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:08,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1142717581, now seen corresponding path program 1 times [2021-12-18 06:41:08,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:08,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581145006] [2021-12-18 06:41:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:08,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:41:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:41:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:41:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:41:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:41:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:41:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:41:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:41:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:41:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:41:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:41:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:41:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:41:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:41:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:41:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:41:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:41:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:41:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:41:08,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:08,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581145006] [2021-12-18 06:41:08,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581145006] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:08,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:08,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:41:08,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823924156] [2021-12-18 06:41:08,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:08,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:41:08,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:08,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:41:08,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:41:08,802 INFO L87 Difference]: Start difference. First operand 10433 states and 15021 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:19,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:19,834 INFO L93 Difference]: Finished difference Result 19643 states and 29010 transitions. [2021-12-18 06:41:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:41:19,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2021-12-18 06:41:19,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:19,925 INFO L225 Difference]: With dead ends: 19643 [2021-12-18 06:41:19,925 INFO L226 Difference]: Without dead ends: 19639 [2021-12-18 06:41:19,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:41:19,939 INFO L933 BasicCegarLoop]: 3956 mSDtfsCounter, 9200 mSDsluCounter, 5183 mSDsCounter, 0 mSdLazyCounter, 4030 mSolverCounterSat, 6515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9789 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 10545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6515 IncrementalHoareTripleChecker+Valid, 4030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:19,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9789 Valid, 9139 Invalid, 10545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6515 Valid, 4030 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-18 06:41:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19639 states. [2021-12-18 06:41:20,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19639 to 16383. [2021-12-18 06:41:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16383 states, 11394 states have (on average 1.3487800596805337) internal successors, (15368), 11711 states have internal predecessors, (15368), 3954 states have call successors, (3954), 1035 states have call predecessors, (3954), 1034 states have return successors, (3944), 3920 states have call predecessors, (3944), 3944 states have call successors, (3944) [2021-12-18 06:41:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16383 states to 16383 states and 23266 transitions. [2021-12-18 06:41:20,501 INFO L78 Accepts]: Start accepts. Automaton has 16383 states and 23266 transitions. Word has length 250 [2021-12-18 06:41:20,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:20,502 INFO L470 AbstractCegarLoop]: Abstraction has 16383 states and 23266 transitions. [2021-12-18 06:41:20,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 16383 states and 23266 transitions. [2021-12-18 06:41:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-18 06:41:20,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:20,507 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:20,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 06:41:20,507 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:20,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1065672369, now seen corresponding path program 1 times [2021-12-18 06:41:20,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:20,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737351125] [2021-12-18 06:41:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:20,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:41:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:41:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:41:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:41:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:41:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:41:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:41:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:41:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:41:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:41:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:41:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:41:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:41:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:41:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:41:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:41:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:41:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:41:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:41:21,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:21,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737351125] [2021-12-18 06:41:21,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737351125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:21,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:21,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:41:21,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902611704] [2021-12-18 06:41:21,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:21,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:41:21,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:21,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:41:21,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:41:21,129 INFO L87 Difference]: Start difference. First operand 16383 states and 23266 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:33,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:41:33,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:33,628 INFO L93 Difference]: Finished difference Result 21111 states and 30905 transitions. [2021-12-18 06:41:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 06:41:33,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2021-12-18 06:41:33,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:33,765 INFO L225 Difference]: With dead ends: 21111 [2021-12-18 06:41:33,766 INFO L226 Difference]: Without dead ends: 21107 [2021-12-18 06:41:33,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:41:33,784 INFO L933 BasicCegarLoop]: 3724 mSDtfsCounter, 6503 mSDsluCounter, 4729 mSDsCounter, 0 mSdLazyCounter, 3715 mSolverCounterSat, 3642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6988 SdHoareTripleChecker+Valid, 8453 SdHoareTripleChecker+Invalid, 7357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3642 IncrementalHoareTripleChecker+Valid, 3715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:33,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6988 Valid, 8453 Invalid, 7357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3642 Valid, 3715 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2021-12-18 06:41:33,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21107 states. [2021-12-18 06:41:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21107 to 17589. [2021-12-18 06:41:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17589 states, 12250 states have (on average 1.3458775510204082) internal successors, (16487), 12589 states have internal predecessors, (16487), 4132 states have call successors, (4132), 1207 states have call predecessors, (4132), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-12-18 06:41:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17589 states to 17589 states and 24743 transitions. [2021-12-18 06:41:34,379 INFO L78 Accepts]: Start accepts. Automaton has 17589 states and 24743 transitions. Word has length 251 [2021-12-18 06:41:34,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:34,380 INFO L470 AbstractCegarLoop]: Abstraction has 17589 states and 24743 transitions. [2021-12-18 06:41:34,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 17589 states and 24743 transitions. [2021-12-18 06:41:34,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-12-18 06:41:34,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:34,384 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:34,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 06:41:34,385 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:34,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:34,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1322734070, now seen corresponding path program 1 times [2021-12-18 06:41:34,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:34,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884557208] [2021-12-18 06:41:34,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:34,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:41:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:41:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:41:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:41:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:41:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:41:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:41:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:41:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:41:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:41:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:41:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:41:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:41:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:41:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:41:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:41:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:41:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:41:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:41:34,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:34,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884557208] [2021-12-18 06:41:34,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884557208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:34,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:34,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:41:34,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420608987] [2021-12-18 06:41:34,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:34,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:41:34,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:34,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:41:34,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:41:34,901 INFO L87 Difference]: Start difference. First operand 17589 states and 24743 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:47,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:47,018 INFO L93 Difference]: Finished difference Result 21107 states and 30893 transitions. [2021-12-18 06:41:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:41:47,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 252 [2021-12-18 06:41:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:47,166 INFO L225 Difference]: With dead ends: 21107 [2021-12-18 06:41:47,177 INFO L226 Difference]: Without dead ends: 21104 [2021-12-18 06:41:47,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:41:47,212 INFO L933 BasicCegarLoop]: 3702 mSDtfsCounter, 6086 mSDsluCounter, 4764 mSDsCounter, 0 mSdLazyCounter, 3738 mSolverCounterSat, 3501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6578 SdHoareTripleChecker+Valid, 8466 SdHoareTripleChecker+Invalid, 7239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3501 IncrementalHoareTripleChecker+Valid, 3738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:47,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6578 Valid, 8466 Invalid, 7239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3501 Valid, 3738 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2021-12-18 06:41:47,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21104 states. [2021-12-18 06:41:47,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21104 to 17588. [2021-12-18 06:41:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17588 states, 12250 states have (on average 1.345795918367347) internal successors, (16486), 12588 states have internal predecessors, (16486), 4131 states have call successors, (4131), 1207 states have call predecessors, (4131), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-12-18 06:41:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17588 states to 17588 states and 24741 transitions. [2021-12-18 06:41:47,963 INFO L78 Accepts]: Start accepts. Automaton has 17588 states and 24741 transitions. Word has length 252 [2021-12-18 06:41:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:47,965 INFO L470 AbstractCegarLoop]: Abstraction has 17588 states and 24741 transitions. [2021-12-18 06:41:47,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 17588 states and 24741 transitions. [2021-12-18 06:41:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 06:41:47,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:47,969 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:47,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 06:41:47,969 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:47,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1946072782, now seen corresponding path program 1 times [2021-12-18 06:41:47,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:47,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461712408] [2021-12-18 06:41:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:47,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:41:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:41:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:41:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:41:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:41:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:41:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:41:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:41:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:41:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:41:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:41:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:41:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:41:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:41:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:41:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:41:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:41:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:41:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:41:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:41:48,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:48,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461712408] [2021-12-18 06:41:48,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461712408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:48,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:48,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:41:48,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738967815] [2021-12-18 06:41:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:48,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:41:48,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:41:48,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:41:48,661 INFO L87 Difference]: Start difference. First operand 17588 states and 24741 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:41:59,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:00,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:42:00,996 INFO L93 Difference]: Finished difference Result 21106 states and 30891 transitions. [2021-12-18 06:42:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:42:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 253 [2021-12-18 06:42:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:42:01,060 INFO L225 Difference]: With dead ends: 21106 [2021-12-18 06:42:01,060 INFO L226 Difference]: Without dead ends: 21103 [2021-12-18 06:42:01,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:42:01,069 INFO L933 BasicCegarLoop]: 3715 mSDtfsCounter, 5444 mSDsluCounter, 5000 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 2642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5941 SdHoareTripleChecker+Valid, 8715 SdHoareTripleChecker+Invalid, 6312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2642 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:42:01,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5941 Valid, 8715 Invalid, 6312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2642 Valid, 3670 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2021-12-18 06:42:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2021-12-18 06:42:01,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 17587. [2021-12-18 06:42:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17587 states, 12250 states have (on average 1.3457142857142856) internal successors, (16485), 12587 states have internal predecessors, (16485), 4130 states have call successors, (4130), 1207 states have call predecessors, (4130), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-12-18 06:42:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17587 states to 17587 states and 24739 transitions. [2021-12-18 06:42:01,592 INFO L78 Accepts]: Start accepts. Automaton has 17587 states and 24739 transitions. Word has length 253 [2021-12-18 06:42:01,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:42:01,593 INFO L470 AbstractCegarLoop]: Abstraction has 17587 states and 24739 transitions. [2021-12-18 06:42:01,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:42:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 17587 states and 24739 transitions. [2021-12-18 06:42:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-18 06:42:01,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:42:01,597 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:01,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 06:42:01,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:42:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:42:01,598 INFO L85 PathProgramCache]: Analyzing trace with hash -199865223, now seen corresponding path program 1 times [2021-12-18 06:42:01,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:42:01,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396237616] [2021-12-18 06:42:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:42:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:42:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:42:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:42:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:42:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:42:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:42:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:42:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:42:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:42:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:42:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:42:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:42:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:42:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:42:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:42:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:42:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:42:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:42:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:42:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:42:02,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:42:02,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396237616] [2021-12-18 06:42:02,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396237616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:42:02,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:42:02,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:42:02,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593310677] [2021-12-18 06:42:02,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:42:02,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:42:02,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:42:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:42:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:42:02,129 INFO L87 Difference]: Start difference. First operand 17587 states and 24739 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:42:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:42:11,165 INFO L93 Difference]: Finished difference Result 21105 states and 30889 transitions. [2021-12-18 06:42:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:42:11,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 254 [2021-12-18 06:42:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:42:11,246 INFO L225 Difference]: With dead ends: 21105 [2021-12-18 06:42:11,246 INFO L226 Difference]: Without dead ends: 21102 [2021-12-18 06:42:11,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:42:11,264 INFO L933 BasicCegarLoop]: 3717 mSDtfsCounter, 7114 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 4450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7608 SdHoareTripleChecker+Valid, 7031 SdHoareTripleChecker+Invalid, 6761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4450 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:42:11,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7608 Valid, 7031 Invalid, 6761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4450 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-18 06:42:11,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21102 states. [2021-12-18 06:42:11,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21102 to 17586. [2021-12-18 06:42:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17586 states, 12250 states have (on average 1.3456326530612246) internal successors, (16484), 12586 states have internal predecessors, (16484), 4129 states have call successors, (4129), 1207 states have call predecessors, (4129), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-12-18 06:42:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17586 states to 17586 states and 24737 transitions. [2021-12-18 06:42:11,823 INFO L78 Accepts]: Start accepts. Automaton has 17586 states and 24737 transitions. Word has length 254 [2021-12-18 06:42:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:42:11,823 INFO L470 AbstractCegarLoop]: Abstraction has 17586 states and 24737 transitions. [2021-12-18 06:42:11,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:42:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17586 states and 24737 transitions. [2021-12-18 06:42:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-18 06:42:11,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:42:11,827 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:11,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 06:42:11,827 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:42:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:42:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1902000875, now seen corresponding path program 1 times [2021-12-18 06:42:11,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:42:11,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598197559] [2021-12-18 06:42:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:42:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:42:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:42:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:42:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:42:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:42:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:42:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:42:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:42:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:42:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:42:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:42:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:42:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:42:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:42:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:42:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:42:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:42:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:42:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:42:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-12-18 06:42:12,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:42:12,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598197559] [2021-12-18 06:42:12,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598197559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:42:12,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:42:12,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:42:12,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818641594] [2021-12-18 06:42:12,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:42:12,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:42:12,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:42:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:42:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:42:12,244 INFO L87 Difference]: Start difference. First operand 17586 states and 24737 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:42:25,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:33,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:42:33,581 INFO L93 Difference]: Finished difference Result 59626 states and 86288 transitions. [2021-12-18 06:42:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:42:33,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2021-12-18 06:42:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:42:33,791 INFO L225 Difference]: With dead ends: 59626 [2021-12-18 06:42:33,792 INFO L226 Difference]: Without dead ends: 42013 [2021-12-18 06:42:33,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:42:33,872 INFO L933 BasicCegarLoop]: 4197 mSDtfsCounter, 8668 mSDsluCounter, 7980 mSDsCounter, 0 mSdLazyCounter, 6417 mSolverCounterSat, 6112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9299 SdHoareTripleChecker+Valid, 12177 SdHoareTripleChecker+Invalid, 12529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6112 IncrementalHoareTripleChecker+Valid, 6417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:42:33,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9299 Valid, 12177 Invalid, 12529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6112 Valid, 6417 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2021-12-18 06:42:33,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42013 states. [2021-12-18 06:42:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42013 to 34969. [2021-12-18 06:42:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34969 states, 24389 states have (on average 1.3464676698511624) internal successors, (32839), 25056 states have internal predecessors, (32839), 8181 states have call successors, (8181), 2400 states have call predecessors, (8181), 2398 states have return successors, (8183), 8112 states have call predecessors, (8183), 8171 states have call successors, (8183) [2021-12-18 06:42:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34969 states to 34969 states and 49203 transitions. [2021-12-18 06:42:35,443 INFO L78 Accepts]: Start accepts. Automaton has 34969 states and 49203 transitions. Word has length 255 [2021-12-18 06:42:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:42:35,444 INFO L470 AbstractCegarLoop]: Abstraction has 34969 states and 49203 transitions. [2021-12-18 06:42:35,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 06:42:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 34969 states and 49203 transitions. [2021-12-18 06:42:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-18 06:42:35,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:42:35,449 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 06:42:35,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 06:42:35,449 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:42:35,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:42:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -698177215, now seen corresponding path program 1 times [2021-12-18 06:42:35,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:42:35,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150464236] [2021-12-18 06:42:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:42:35,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:42:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:42:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:42:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:42:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:42:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:42:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:42:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:42:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:42:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:42:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:42:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:42:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:42:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:42:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:42:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:42:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 06:42:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 06:42:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 06:42:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:42:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:42:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:42:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:42:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2021-12-18 06:42:36,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:42:36,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150464236] [2021-12-18 06:42:36,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150464236] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:42:36,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:42:36,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:42:36,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469315505] [2021-12-18 06:42:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:42:36,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:42:36,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:42:36,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:42:36,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:42:36,086 INFO L87 Difference]: Start difference. First operand 34969 states and 49203 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 06:43:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:43:07,755 INFO L93 Difference]: Finished difference Result 112736 states and 163505 transitions. [2021-12-18 06:43:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 06:43:07,757 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2021-12-18 06:43:07,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:43:08,287 INFO L225 Difference]: With dead ends: 112736 [2021-12-18 06:43:08,287 INFO L226 Difference]: Without dead ends: 77802 [2021-12-18 06:43:08,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-12-18 06:43:08,381 INFO L933 BasicCegarLoop]: 5111 mSDtfsCounter, 9936 mSDsluCounter, 10275 mSDsCounter, 0 mSdLazyCounter, 14071 mSolverCounterSat, 7850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10530 SdHoareTripleChecker+Valid, 15386 SdHoareTripleChecker+Invalid, 21921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7850 IncrementalHoareTripleChecker+Valid, 14071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:43:08,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10530 Valid, 15386 Invalid, 21921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7850 Valid, 14071 Invalid, 0 Unknown, 0 Unchecked, 27.8s Time] [2021-12-18 06:43:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77802 states. [2021-12-18 06:43:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77802 to 60525. [2021-12-18 06:43:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60525 states, 42373 states have (on average 1.3469190286267199) internal successors, (57073), 43476 states have internal predecessors, (57073), 13839 states have call successors, (13839), 4314 states have call predecessors, (13839), 4312 states have return successors, (13853), 13714 states have call predecessors, (13853), 13829 states have call successors, (13853) [2021-12-18 06:43:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60525 states to 60525 states and 84765 transitions. [2021-12-18 06:43:11,806 INFO L78 Accepts]: Start accepts. Automaton has 60525 states and 84765 transitions. Word has length 274 [2021-12-18 06:43:11,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:43:11,807 INFO L470 AbstractCegarLoop]: Abstraction has 60525 states and 84765 transitions. [2021-12-18 06:43:11,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-18 06:43:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 60525 states and 84765 transitions. [2021-12-18 06:43:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-18 06:43:11,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:43:11,816 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:43:11,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 06:43:11,817 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:43:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:43:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash -808244806, now seen corresponding path program 1 times [2021-12-18 06:43:11,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:43:11,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696563386] [2021-12-18 06:43:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:43:11,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:43:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:43:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:43:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:43:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:43:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:43:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:43:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:43:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:43:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:43:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:43:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:43:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:43:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:43:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:43:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:43:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:43:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 06:43:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:43:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:43:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 06:43:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 06:43:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-12-18 06:43:12,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:43:12,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696563386] [2021-12-18 06:43:12,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696563386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:43:12,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:43:12,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:43:12,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105217642] [2021-12-18 06:43:12,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:43:12,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:43:12,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:43:12,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:43:12,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:43:12,338 INFO L87 Difference]: Start difference. First operand 60525 states and 84765 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 06:43:29,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:33,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:43:33,103 INFO L93 Difference]: Finished difference Result 169678 states and 243339 transitions. [2021-12-18 06:43:33,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 06:43:33,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 313 [2021-12-18 06:43:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:43:33,800 INFO L225 Difference]: With dead ends: 169678 [2021-12-18 06:43:33,800 INFO L226 Difference]: Without dead ends: 109188 [2021-12-18 06:43:33,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-18 06:43:33,949 INFO L933 BasicCegarLoop]: 6118 mSDtfsCounter, 8723 mSDsluCounter, 6264 mSDsCounter, 0 mSdLazyCounter, 7168 mSolverCounterSat, 6778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9289 SdHoareTripleChecker+Valid, 12382 SdHoareTripleChecker+Invalid, 13946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6778 IncrementalHoareTripleChecker+Valid, 7168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:43:33,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9289 Valid, 12382 Invalid, 13946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6778 Valid, 7168 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2021-12-18 06:43:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109188 states. [2021-12-18 06:43:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109188 to 90959. [2021-12-18 06:43:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90959 states, 63845 states have (on average 1.3449291252251547) internal successors, (85867), 65507 states have internal predecessors, (85867), 20616 states have call successors, (20616), 6499 states have call predecessors, (20616), 6497 states have return successors, (20642), 20428 states have call predecessors, (20642), 20606 states have call successors, (20642) [2021-12-18 06:43:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90959 states to 90959 states and 127125 transitions. [2021-12-18 06:43:39,012 INFO L78 Accepts]: Start accepts. Automaton has 90959 states and 127125 transitions. Word has length 313 [2021-12-18 06:43:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:43:39,013 INFO L470 AbstractCegarLoop]: Abstraction has 90959 states and 127125 transitions. [2021-12-18 06:43:39,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 06:43:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 90959 states and 127125 transitions. [2021-12-18 06:43:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-18 06:43:39,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:43:39,025 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 06:43:39,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 06:43:39,025 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:43:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:43:39,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1940039254, now seen corresponding path program 1 times [2021-12-18 06:43:39,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:43:39,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569456374] [2021-12-18 06:43:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:43:39,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:43:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:43:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:43:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:43:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:43:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:43:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:43:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:43:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:43:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:43:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:43:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:43:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:43:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:43:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:43:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:43:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:43:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 06:43:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 06:43:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 06:43:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 06:43:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 06:43:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:43:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 06:43:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 06:43:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-12-18 06:43:39,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:43:39,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569456374] [2021-12-18 06:43:39,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569456374] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:43:39,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:43:39,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:43:39,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576007785] [2021-12-18 06:43:39,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:43:39,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:43:39,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:43:39,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:43:39,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:43:39,746 INFO L87 Difference]: Start difference. First operand 90959 states and 127125 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 06:43:55,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:43:55,086 INFO L93 Difference]: Finished difference Result 157186 states and 223882 transitions. [2021-12-18 06:43:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 06:43:55,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 330 [2021-12-18 06:43:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:43:55,529 INFO L225 Difference]: With dead ends: 157186 [2021-12-18 06:43:55,530 INFO L226 Difference]: Without dead ends: 66259 [2021-12-18 06:43:55,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-12-18 06:43:55,729 INFO L933 BasicCegarLoop]: 3456 mSDtfsCounter, 6821 mSDsluCounter, 5748 mSDsCounter, 0 mSdLazyCounter, 5952 mSolverCounterSat, 6249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 9204 SdHoareTripleChecker+Invalid, 12201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6249 IncrementalHoareTripleChecker+Valid, 5952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-18 06:43:55,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7156 Valid, 9204 Invalid, 12201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6249 Valid, 5952 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-12-18 06:43:55,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66259 states. [2021-12-18 06:43:58,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66259 to 51662. [2021-12-18 06:43:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51662 states, 36251 states have (on average 1.342859507323936) internal successors, (48680), 37190 states have internal predecessors, (48680), 11639 states have call successors, (11639), 3773 states have call predecessors, (11639), 3771 states have return successors, (11650), 11524 states have call predecessors, (11650), 11629 states have call successors, (11650) [2021-12-18 06:43:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51662 states to 51662 states and 71969 transitions. [2021-12-18 06:43:58,853 INFO L78 Accepts]: Start accepts. Automaton has 51662 states and 71969 transitions. Word has length 330 [2021-12-18 06:43:58,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:43:58,854 INFO L470 AbstractCegarLoop]: Abstraction has 51662 states and 71969 transitions. [2021-12-18 06:43:58,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 06:43:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 51662 states and 71969 transitions. [2021-12-18 06:43:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-12-18 06:43:58,865 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:43:58,865 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:43:58,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 06:43:58,865 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:43:58,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:43:58,866 INFO L85 PathProgramCache]: Analyzing trace with hash -985518497, now seen corresponding path program 1 times [2021-12-18 06:43:58,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:43:58,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67357869] [2021-12-18 06:43:58,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:43:58,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:43:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:43:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:43:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:43:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:43:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:43:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:43:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:43:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:43:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:43:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:43:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:43:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:43:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:43:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:43:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:43:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:43:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 06:43:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:43:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:43:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:43:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 06:43:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:43:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2021-12-18 06:43:59,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:43:59,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67357869] [2021-12-18 06:43:59,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67357869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:43:59,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:43:59,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:43:59,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418447691] [2021-12-18 06:43:59,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:43:59,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:43:59,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:43:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:43:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:43:59,471 INFO L87 Difference]: Start difference. First operand 51662 states and 71969 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:44:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:44:17,891 INFO L93 Difference]: Finished difference Result 61957 states and 89506 transitions. [2021-12-18 06:44:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 06:44:17,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 334 [2021-12-18 06:44:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:44:18,101 INFO L225 Difference]: With dead ends: 61957 [2021-12-18 06:44:18,101 INFO L226 Difference]: Without dead ends: 61954 [2021-12-18 06:44:18,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-18 06:44:18,131 INFO L933 BasicCegarLoop]: 3624 mSDtfsCounter, 4125 mSDsluCounter, 5975 mSDsCounter, 0 mSdLazyCounter, 8297 mSolverCounterSat, 3092 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4485 SdHoareTripleChecker+Valid, 9599 SdHoareTripleChecker+Invalid, 11389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3092 IncrementalHoareTripleChecker+Valid, 8297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:44:18,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4485 Valid, 9599 Invalid, 11389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3092 Valid, 8297 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2021-12-18 06:44:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61954 states. [2021-12-18 06:44:20,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61954 to 51661. [2021-12-18 06:44:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51661 states, 36251 states have (on average 1.3420871148382114) internal successors, (48652), 37189 states have internal predecessors, (48652), 11638 states have call successors, (11638), 3773 states have call predecessors, (11638), 3771 states have return successors, (11650), 11524 states have call predecessors, (11650), 11629 states have call successors, (11650) [2021-12-18 06:44:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51661 states to 51661 states and 71940 transitions. [2021-12-18 06:44:20,688 INFO L78 Accepts]: Start accepts. Automaton has 51661 states and 71940 transitions. Word has length 334 [2021-12-18 06:44:20,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:44:20,689 INFO L470 AbstractCegarLoop]: Abstraction has 51661 states and 71940 transitions. [2021-12-18 06:44:20,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:44:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 51661 states and 71940 transitions. [2021-12-18 06:44:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-12-18 06:44:20,709 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:44:20,709 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:20,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 06:44:20,709 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:44:20,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:44:20,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1134986956, now seen corresponding path program 1 times [2021-12-18 06:44:20,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:44:20,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592938474] [2021-12-18 06:44:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:44:20,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:44:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:44:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:44:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:44:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:44:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:44:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:44:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:44:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:44:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:44:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:44:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:44:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:44:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:44:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:44:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:44:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 06:44:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 06:44:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 06:44:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 06:44:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 06:44:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 06:44:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 06:44:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 06:44:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 06:44:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 06:44:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 06:44:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 06:44:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 06:44:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 06:44:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 06:44:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 06:44:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 06:44:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2394 trivial. 0 not checked. [2021-12-18 06:44:21,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:44:21,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592938474] [2021-12-18 06:44:21,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592938474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:44:21,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:44:21,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:44:21,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546650141] [2021-12-18 06:44:21,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:44:21,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:44:21,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:44:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:44:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:44:21,462 INFO L87 Difference]: Start difference. First operand 51661 states and 71940 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:44:38,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:44:40,561 INFO L93 Difference]: Finished difference Result 126051 states and 178206 transitions. [2021-12-18 06:44:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 06:44:40,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 416 [2021-12-18 06:44:40,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:44:40,839 INFO L225 Difference]: With dead ends: 126051 [2021-12-18 06:44:40,839 INFO L226 Difference]: Without dead ends: 74425 [2021-12-18 06:44:40,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-12-18 06:44:40,967 INFO L933 BasicCegarLoop]: 5553 mSDtfsCounter, 7585 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 7889 mSolverCounterSat, 6059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8130 SdHoareTripleChecker+Valid, 9854 SdHoareTripleChecker+Invalid, 13948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6059 IncrementalHoareTripleChecker+Valid, 7889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:44:40,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8130 Valid, 9854 Invalid, 13948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6059 Valid, 7889 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2021-12-18 06:44:41,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74425 states. [2021-12-18 06:44:44,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74425 to 64270. [2021-12-18 06:44:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64270 states, 45099 states have (on average 1.3415153329342113) internal successors, (60501), 46343 states have internal predecessors, (60501), 14486 states have call successors, (14486), 4686 states have call predecessors, (14486), 4684 states have return successors, (14495), 14314 states have call predecessors, (14495), 14477 states have call successors, (14495) [2021-12-18 06:44:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64270 states to 64270 states and 89482 transitions. [2021-12-18 06:44:44,729 INFO L78 Accepts]: Start accepts. Automaton has 64270 states and 89482 transitions. Word has length 416 [2021-12-18 06:44:44,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:44:44,729 INFO L470 AbstractCegarLoop]: Abstraction has 64270 states and 89482 transitions. [2021-12-18 06:44:44,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:44:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 64270 states and 89482 transitions. [2021-12-18 06:44:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-12-18 06:44:44,780 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:44:44,780 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:44:44,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 06:44:44,781 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:44:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:44:44,781 INFO L85 PathProgramCache]: Analyzing trace with hash -140715756, now seen corresponding path program 1 times [2021-12-18 06:44:44,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:44:44,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011079953] [2021-12-18 06:44:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:44:44,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:44:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:44:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:44:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:44:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:44:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:44:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:44:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:44:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:44:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:44:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:44:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:44:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:44:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:44:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:44:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:44:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:44:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 06:44:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:44:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:44:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 06:44:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 06:44:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:44:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 06:44:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 06:44:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:44:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 06:44:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 06:44:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 06:44:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 06:44:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 06:44:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 06:44:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 06:44:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 06:44:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:44:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 06:44:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 06:44:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 06:44:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2990 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2021-12-18 06:44:45,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:44:45,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011079953] [2021-12-18 06:44:45,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011079953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:44:45,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:44:45,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:44:45,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127148735] [2021-12-18 06:44:45,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:44:45,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:44:45,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:44:45,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:44:45,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:44:45,642 INFO L87 Difference]: Start difference. First operand 64270 states and 89482 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-18 06:45:09,328 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 06:45:11,366 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 06:45:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:45:15,067 INFO L93 Difference]: Finished difference Result 162113 states and 228962 transitions. [2021-12-18 06:45:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 06:45:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 506 [2021-12-18 06:45:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:45:15,559 INFO L225 Difference]: With dead ends: 162113 [2021-12-18 06:45:15,559 INFO L226 Difference]: Without dead ends: 98151 [2021-12-18 06:45:15,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-18 06:45:15,699 INFO L933 BasicCegarLoop]: 3918 mSDtfsCounter, 8485 mSDsluCounter, 5675 mSDsCounter, 0 mSdLazyCounter, 11103 mSolverCounterSat, 6215 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9036 SdHoareTripleChecker+Valid, 9593 SdHoareTripleChecker+Invalid, 17320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6215 IncrementalHoareTripleChecker+Valid, 11103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:45:15,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9036 Valid, 9593 Invalid, 17320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6215 Valid, 11103 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2021-12-18 06:45:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98151 states. [2021-12-18 06:45:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98151 to 85100. [2021-12-18 06:45:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85100 states, 59729 states have (on average 1.3382276616049156) internal successors, (79931), 61411 states have internal predecessors, (79931), 19030 states have call successors, (19030), 6342 states have call predecessors, (19030), 6340 states have return successors, (19039), 18780 states have call predecessors, (19039), 19021 states have call successors, (19039) [2021-12-18 06:45:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85100 states to 85100 states and 118000 transitions. [2021-12-18 06:45:20,099 INFO L78 Accepts]: Start accepts. Automaton has 85100 states and 118000 transitions. Word has length 506 [2021-12-18 06:45:20,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:45:20,099 INFO L470 AbstractCegarLoop]: Abstraction has 85100 states and 118000 transitions. [2021-12-18 06:45:20,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-18 06:45:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 85100 states and 118000 transitions. [2021-12-18 06:45:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-12-18 06:45:20,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:45:20,132 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:45:20,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 06:45:20,132 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:45:20,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:45:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1744099348, now seen corresponding path program 1 times [2021-12-18 06:45:20,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:45:20,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549040850] [2021-12-18 06:45:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:45:20,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:45:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:45:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:45:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:45:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:45:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:45:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:45:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:45:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:45:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:45:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:45:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:45:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:45:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:45:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:45:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:45:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:45:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 06:45:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:45:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:45:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 06:45:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 06:45:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:45:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 06:45:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 06:45:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 06:45:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 06:45:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 06:45:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 06:45:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 06:45:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 06:45:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 06:45:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 06:45:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:45:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 06:45:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 06:45:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-18 06:45:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 06:45:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 06:45:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 06:45:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 06:45:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 06:45:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 06:45:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 06:45:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2994 trivial. 0 not checked. [2021-12-18 06:45:21,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:45:21,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549040850] [2021-12-18 06:45:21,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549040850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:45:21,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:45:21,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:45:21,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765391895] [2021-12-18 06:45:21,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:45:21,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:45:21,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:45:21,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:45:21,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:45:21,233 INFO L87 Difference]: Start difference. First operand 85100 states and 118000 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-18 06:45:48,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:45:48,844 INFO L93 Difference]: Finished difference Result 101587 states and 146314 transitions. [2021-12-18 06:45:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:45:48,846 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 555 [2021-12-18 06:45:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:45:49,308 INFO L225 Difference]: With dead ends: 101587 [2021-12-18 06:45:49,308 INFO L226 Difference]: Without dead ends: 101584 [2021-12-18 06:45:49,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:45:49,354 INFO L933 BasicCegarLoop]: 5013 mSDtfsCounter, 6516 mSDsluCounter, 4273 mSDsCounter, 0 mSdLazyCounter, 14098 mSolverCounterSat, 5953 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6874 SdHoareTripleChecker+Valid, 9286 SdHoareTripleChecker+Invalid, 20051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5953 IncrementalHoareTripleChecker+Valid, 14098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-12-18 06:45:49,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6874 Valid, 9286 Invalid, 20051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5953 Valid, 14098 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2021-12-18 06:45:49,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101584 states. [2021-12-18 06:45:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101584 to 85099. [2021-12-18 06:45:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85099 states, 59729 states have (on average 1.337825846741114) internal successors, (79907), 61410 states have internal predecessors, (79907), 19029 states have call successors, (19029), 6342 states have call predecessors, (19029), 6340 states have return successors, (19039), 18780 states have call predecessors, (19039), 19021 states have call successors, (19039) [2021-12-18 06:45:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85099 states to 85099 states and 117975 transitions. [2021-12-18 06:45:54,099 INFO L78 Accepts]: Start accepts. Automaton has 85099 states and 117975 transitions. Word has length 555 [2021-12-18 06:45:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:45:54,099 INFO L470 AbstractCegarLoop]: Abstraction has 85099 states and 117975 transitions. [2021-12-18 06:45:54,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-18 06:45:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 85099 states and 117975 transitions. [2021-12-18 06:45:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2021-12-18 06:45:54,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:45:54,231 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:45:54,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 06:45:54,231 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:45:54,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:45:54,231 INFO L85 PathProgramCache]: Analyzing trace with hash 329559360, now seen corresponding path program 1 times [2021-12-18 06:45:54,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:45:54,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169885091] [2021-12-18 06:45:54,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:45:54,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:45:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:45:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:45:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:45:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:45:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 06:45:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 06:45:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 06:45:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 06:45:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 06:45:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 06:45:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 06:45:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 06:45:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 06:45:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 06:45:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 06:45:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 06:45:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 06:45:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:45:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 06:45:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 06:45:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 06:45:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:45:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 06:45:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 06:45:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 06:45:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 06:45:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 06:45:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 06:45:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 06:45:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 06:45:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 06:45:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 06:45:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:45:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 06:45:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 06:45:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 06:45:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 06:45:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 06:45:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 06:45:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-18 06:45:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:45:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 06:45:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-18 06:45:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-18 06:45:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-12-18 06:45:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2021-12-18 06:45:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-12-18 06:45:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-12-18 06:45:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-12-18 06:45:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-12-18 06:45:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2021-12-18 06:45:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2021-12-18 06:45:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2021-12-18 06:45:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-18 06:45:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:45:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6385 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6335 trivial. 0 not checked. [2021-12-18 06:45:55,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:45:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169885091] [2021-12-18 06:45:55,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169885091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:45:55,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:45:55,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:45:55,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702467824] [2021-12-18 06:45:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:45:55,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:45:55,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:45:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:45:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:45:55,306 INFO L87 Difference]: Start difference. First operand 85099 states and 117975 transitions. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 06:46:35,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:46:37,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:46:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:46:43,337 INFO L93 Difference]: Finished difference Result 213996 states and 302759 transitions. [2021-12-18 06:46:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 06:46:43,338 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 739 [2021-12-18 06:46:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:46:44,223 INFO L225 Difference]: With dead ends: 213996 [2021-12-18 06:46:44,224 INFO L226 Difference]: Without dead ends: 129205 [2021-12-18 06:46:44,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:46:44,443 INFO L933 BasicCegarLoop]: 6049 mSDtfsCounter, 7105 mSDsluCounter, 9777 mSDsCounter, 0 mSdLazyCounter, 23868 mSolverCounterSat, 5712 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7479 SdHoareTripleChecker+Valid, 15826 SdHoareTripleChecker+Invalid, 29581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5712 IncrementalHoareTripleChecker+Valid, 23868 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:46:44,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7479 Valid, 15826 Invalid, 29581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5712 Valid, 23868 Invalid, 1 Unknown, 0 Unchecked, 40.1s Time] [2021-12-18 06:46:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129205 states.