./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 08:57:00,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 08:57:00,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 08:57:00,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 08:57:00,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 08:57:00,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 08:57:00,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 08:57:00,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 08:57:00,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 08:57:00,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 08:57:00,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 08:57:00,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 08:57:00,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 08:57:00,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 08:57:00,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 08:57:00,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 08:57:00,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 08:57:00,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 08:57:00,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 08:57:01,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 08:57:01,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 08:57:01,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 08:57:01,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 08:57:01,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 08:57:01,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 08:57:01,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 08:57:01,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 08:57:01,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 08:57:01,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 08:57:01,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 08:57:01,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 08:57:01,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 08:57:01,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 08:57:01,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 08:57:01,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 08:57:01,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 08:57:01,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 08:57:01,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 08:57:01,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 08:57:01,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 08:57:01,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 08:57:01,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 08:57:01,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 08:57:01,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 08:57:01,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 08:57:01,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 08:57:01,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 08:57:01,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 08:57:01,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 08:57:01,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 08:57:01,065 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 08:57:01,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 08:57:01,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 08:57:01,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 08:57:01,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 08:57:01,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 08:57:01,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 08:57:01,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 08:57:01,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 08:57:01,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 08:57:01,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 08:57:01,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 08:57:01,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 08:57:01,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:57:01,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 08:57:01,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 08:57:01,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 08:57:01,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 08:57:01,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 08:57:01,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 08:57:01,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 08:57:01,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 08:57:01,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 08:57:01,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-12-18 08:57:01,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 08:57:01,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 08:57:01,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 08:57:01,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 08:57:01,365 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 08:57:01,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 08:57:01,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2a1817d/561d637aad1f4b7e9afaa46863f27c25/FLAG6ccd4be43 [2021-12-18 08:57:02,225 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 08:57:02,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 08:57:02,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2a1817d/561d637aad1f4b7e9afaa46863f27c25/FLAG6ccd4be43 [2021-12-18 08:57:02,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2a1817d/561d637aad1f4b7e9afaa46863f27c25 [2021-12-18 08:57:02,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 08:57:02,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 08:57:02,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 08:57:02,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 08:57:02,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 08:57:02,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:57:02" (1/1) ... [2021-12-18 08:57:02,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e7630a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:02, skipping insertion in model container [2021-12-18 08:57:02,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:57:02" (1/1) ... [2021-12-18 08:57:02,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 08:57:02,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 08:57:05,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-18 08:57:05,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:57:05,367 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 08:57:05,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-18 08:57:05,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:57:05,898 INFO L208 MainTranslator]: Completed translation [2021-12-18 08:57:05,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05 WrapperNode [2021-12-18 08:57:05,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 08:57:05,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 08:57:05,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 08:57:05,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 08:57:05,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,183 INFO L137 Inliner]: procedures = 336, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4619 [2021-12-18 08:57:06,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 08:57:06,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 08:57:06,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 08:57:06,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 08:57:06,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 08:57:06,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 08:57:06,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 08:57:06,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 08:57:06,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (1/1) ... [2021-12-18 08:57:06,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:57:06,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:57:06,469 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 08:57:06,479 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 08:57:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 08:57:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-18 08:57:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-18 08:57:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 08:57:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 08:57:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 08:57:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 08:57:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 08:57:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 08:57:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 08:57:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-18 08:57:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-18 08:57:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 08:57:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 08:57:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-18 08:57:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-18 08:57:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 08:57:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 08:57:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 08:57:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 08:57:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 08:57:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 08:57:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 08:57:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 08:57:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-12-18 08:57:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-12-18 08:57:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-18 08:57:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-18 08:57:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-18 08:57:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-18 08:57:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-18 08:57:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-18 08:57:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-12-18 08:57:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-12-18 08:57:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 08:57:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 08:57:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-12-18 08:57:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-12-18 08:57:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-12-18 08:57:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-12-18 08:57:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 08:57:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 08:57:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 08:57:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 08:57:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-18 08:57:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-18 08:57:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-18 08:57:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-18 08:57:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 08:57:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 08:57:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-18 08:57:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-18 08:57:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 08:57:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 08:57:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 08:57:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 08:57:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-18 08:57:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-18 08:57:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-18 08:57:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-18 08:57:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-18 08:57:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-18 08:57:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-18 08:57:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-18 08:57:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 08:57:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 08:57:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-18 08:57:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-18 08:57:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 08:57:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 08:57:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-18 08:57:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-18 08:57:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-18 08:57:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-18 08:57:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 08:57:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-18 08:57:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-18 08:57:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-18 08:57:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-18 08:57:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-18 08:57:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-18 08:57:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 08:57:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 08:57:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-18 08:57:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-18 08:57:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-18 08:57:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-18 08:57:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 08:57:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 08:57:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 08:57:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 08:57:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 08:57:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 08:57:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 08:57:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 08:57:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 08:57:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-18 08:57:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-18 08:57:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 08:57:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 08:57:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 08:57:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 08:57:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 08:57:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-18 08:57:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-18 08:57:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 08:57:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-18 08:57:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-18 08:57:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-18 08:57:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-18 08:57:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 08:57:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 08:57:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-18 08:57:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-18 08:57:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-18 08:57:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-18 08:57:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-18 08:57:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-18 08:57:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 08:57:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 08:57:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 08:57:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 08:57:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-12-18 08:57:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-12-18 08:57:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 08:57:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 08:57:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-18 08:57:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-18 08:57:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-18 08:57:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-18 08:57:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 08:57:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-12-18 08:57:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-12-18 08:57:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 08:57:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 08:57:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-18 08:57:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-18 08:57:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-18 08:57:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-18 08:57:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 08:57:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 08:57:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 08:57:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 08:57:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 08:57:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-18 08:57:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-18 08:57:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-18 08:57:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-18 08:57:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-12-18 08:57:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-12-18 08:57:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-18 08:57:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-18 08:57:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-18 08:57:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-18 08:57:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 08:57:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-18 08:57:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-18 08:57:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 08:57:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 08:57:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-18 08:57:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-18 08:57:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-18 08:57:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-18 08:57:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 08:57:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 08:57:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 08:57:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 08:57:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-18 08:57:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-18 08:57:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-12-18 08:57:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-12-18 08:57:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 08:57:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 08:57:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-18 08:57:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-18 08:57:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 08:57:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-18 08:57:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-18 08:57:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 08:57:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 08:57:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 08:57:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 08:57:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 08:57:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 08:57:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-18 08:57:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-18 08:57:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 08:57:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 08:57:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 08:57:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 08:57:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-12-18 08:57:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-12-18 08:57:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 08:57:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 08:57:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 08:57:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 08:57:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 08:57:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 08:57:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 08:57:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 08:57:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 08:57:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 08:57:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-12-18 08:57:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-12-18 08:57:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 08:57:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 08:57:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 08:57:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 08:57:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-18 08:57:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-18 08:57:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 08:57:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 08:57:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-18 08:57:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-18 08:57:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 08:57:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 08:57:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-12-18 08:57:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-12-18 08:57:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 08:57:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-18 08:57:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-18 08:57:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 08:57:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 08:57:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-18 08:57:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-18 08:57:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 08:57:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 08:57:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 08:57:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 08:57:07,259 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 08:57:07,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 08:57:08,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 08:57:10,793 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 08:57:10,806 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 08:57:10,807 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 08:57:10,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:57:10 BoogieIcfgContainer [2021-12-18 08:57:10,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 08:57:10,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 08:57:10,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 08:57:10,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 08:57:10,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:57:02" (1/3) ... [2021-12-18 08:57:10,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081fb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:57:10, skipping insertion in model container [2021-12-18 08:57:10,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:57:05" (2/3) ... [2021-12-18 08:57:10,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081fb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:57:10, skipping insertion in model container [2021-12-18 08:57:10,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:57:10" (3/3) ... [2021-12-18 08:57:10,817 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 08:57:10,822 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 08:57:10,822 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 08:57:10,867 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 08:57:10,872 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 08:57:10,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 08:57:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-18 08:57:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 08:57:10,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:10,948 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 08:57:10,949 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:10,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2007704875, now seen corresponding path program 1 times [2021-12-18 08:57:10,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:10,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084148292] [2021-12-18 08:57:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:10,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 08:57:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 08:57:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:57:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 08:57:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 08:57:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 08:57:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 08:57:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-18 08:57:12,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:12,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084148292] [2021-12-18 08:57:12,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084148292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:12,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:12,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 08:57:12,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006933559] [2021-12-18 08:57:12,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:12,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 08:57:12,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:12,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 08:57:12,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:57:12,577 INFO L87 Difference]: Start difference. First operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 08:57:15,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:15,758 INFO L93 Difference]: Finished difference Result 3340 states and 4706 transitions. [2021-12-18 08:57:15,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 08:57:15,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 447 [2021-12-18 08:57:15,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:15,788 INFO L225 Difference]: With dead ends: 3340 [2021-12-18 08:57:15,789 INFO L226 Difference]: Without dead ends: 1751 [2021-12-18 08:57:15,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:57:15,807 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 2340 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 1975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2464 SdHoareTripleChecker+Valid, 3393 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:15,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2464 Valid, 3393 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1975 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 08:57:15,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-12-18 08:57:15,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1537. [2021-12-18 08:57:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1089 states have (on average 1.3085399449035813) internal successors, (1425), 1113 states have internal predecessors, (1425), 343 states have call successors, (343), 105 states have call predecessors, (343), 104 states have return successors, (342), 339 states have call predecessors, (342), 342 states have call successors, (342) [2021-12-18 08:57:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2110 transitions. [2021-12-18 08:57:15,981 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2110 transitions. Word has length 447 [2021-12-18 08:57:15,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:15,983 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2110 transitions. [2021-12-18 08:57:15,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 08:57:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2110 transitions. [2021-12-18 08:57:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 08:57:16,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:16,001 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 08:57:16,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 08:57:16,002 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:16,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:16,003 INFO L85 PathProgramCache]: Analyzing trace with hash -498973003, now seen corresponding path program 1 times [2021-12-18 08:57:16,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:16,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226988181] [2021-12-18 08:57:16,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:16,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 08:57:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 08:57:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:57:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 08:57:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 08:57:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 08:57:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 08:57:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-18 08:57:17,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:17,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226988181] [2021-12-18 08:57:17,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226988181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:17,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:17,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:57:17,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492396421] [2021-12-18 08:57:17,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:17,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:57:17,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:57:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:57:17,029 INFO L87 Difference]: Start difference. First operand 1537 states and 2110 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 08:57:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:22,652 INFO L93 Difference]: Finished difference Result 4444 states and 6137 transitions. [2021-12-18 08:57:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 08:57:22,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 447 [2021-12-18 08:57:22,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:22,673 INFO L225 Difference]: With dead ends: 4444 [2021-12-18 08:57:22,673 INFO L226 Difference]: Without dead ends: 2966 [2021-12-18 08:57:22,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-18 08:57:22,682 INFO L933 BasicCegarLoop]: 2248 mSDtfsCounter, 4695 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 2623 mSolverCounterSat, 3421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4927 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 6044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3421 IncrementalHoareTripleChecker+Valid, 2623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:22,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4927 Valid, 4945 Invalid, 6044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3421 Valid, 2623 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 08:57:22,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2021-12-18 08:57:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2570. [2021-12-18 08:57:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 1829 states have (on average 1.3078184800437398) internal successors, (2392), 1878 states have internal predecessors, (2392), 555 states have call successors, (555), 188 states have call predecessors, (555), 185 states have return successors, (554), 542 states have call predecessors, (554), 554 states have call successors, (554) [2021-12-18 08:57:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3501 transitions. [2021-12-18 08:57:22,823 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3501 transitions. Word has length 447 [2021-12-18 08:57:22,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:22,826 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 3501 transitions. [2021-12-18 08:57:22,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 08:57:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3501 transitions. [2021-12-18 08:57:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-12-18 08:57:22,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:22,837 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:57:22,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 08:57:22,838 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash -628625941, now seen corresponding path program 1 times [2021-12-18 08:57:22,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:22,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505068781] [2021-12-18 08:57:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:22,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 08:57:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 08:57:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-18 08:57:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 08:57:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:57:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 08:57:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2021-12-18 08:57:23,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:23,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505068781] [2021-12-18 08:57:23,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505068781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:23,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:23,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:57:23,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661379453] [2021-12-18 08:57:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:23,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:57:23,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:23,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:57:23,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:57:23,747 INFO L87 Difference]: Start difference. First operand 2570 states and 3501 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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 08:57:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:29,224 INFO L93 Difference]: Finished difference Result 6688 states and 9229 transitions. [2021-12-18 08:57:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:57:29,225 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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 440 [2021-12-18 08:57:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:29,277 INFO L225 Difference]: With dead ends: 6688 [2021-12-18 08:57:29,277 INFO L226 Difference]: Without dead ends: 4177 [2021-12-18 08:57:29,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:57:29,292 INFO L933 BasicCegarLoop]: 2445 mSDtfsCounter, 3132 mSDsluCounter, 4389 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 2243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 6834 SdHoareTripleChecker+Invalid, 5768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:29,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3338 Valid, 6834 Invalid, 5768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2243 Valid, 3525 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 08:57:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2021-12-18 08:57:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 3603. [2021-12-18 08:57:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3603 states, 2594 states have (on average 1.3211256746337703) internal successors, (3427), 2658 states have internal predecessors, (3427), 742 states have call successors, (742), 269 states have call predecessors, (742), 266 states have return successors, (741), 721 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 08:57:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4910 transitions. [2021-12-18 08:57:29,461 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4910 transitions. Word has length 440 [2021-12-18 08:57:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:29,465 INFO L470 AbstractCegarLoop]: Abstraction has 3603 states and 4910 transitions. [2021-12-18 08:57:29,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 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 08:57:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4910 transitions. [2021-12-18 08:57:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2021-12-18 08:57:29,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:29,479 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 08:57:29,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 08:57:29,480 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1997284535, now seen corresponding path program 1 times [2021-12-18 08:57:29,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:29,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186449975] [2021-12-18 08:57:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:29,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 08:57:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 08:57:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 08:57:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 08:57:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 08:57:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 08:57:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 08:57:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:57:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 08:57:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 08:57:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 08:57:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 08:57:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-12-18 08:57:30,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:30,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186449975] [2021-12-18 08:57:30,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186449975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:30,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:30,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:57:30,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471009529] [2021-12-18 08:57:30,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:30,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:57:30,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:30,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:57:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:57:30,525 INFO L87 Difference]: Start difference. First operand 3603 states and 4910 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:34,831 INFO L93 Difference]: Finished difference Result 7722 states and 10642 transitions. [2021-12-18 08:57:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 08:57:34,833 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 558 [2021-12-18 08:57:34,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:34,858 INFO L225 Difference]: With dead ends: 7722 [2021-12-18 08:57:34,859 INFO L226 Difference]: Without dead ends: 4170 [2021-12-18 08:57:34,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-18 08:57:34,877 INFO L933 BasicCegarLoop]: 1929 mSDtfsCounter, 1522 mSDsluCounter, 5461 mSDsCounter, 0 mSdLazyCounter, 3121 mSolverCounterSat, 1399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 7390 SdHoareTripleChecker+Invalid, 4520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1399 IncrementalHoareTripleChecker+Valid, 3121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:34,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1602 Valid, 7390 Invalid, 4520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1399 Valid, 3121 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 08:57:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2021-12-18 08:57:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 3603. [2021-12-18 08:57:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3603 states, 2594 states have (on average 1.3180416345412491) internal successors, (3419), 2658 states have internal predecessors, (3419), 742 states have call successors, (742), 269 states have call predecessors, (742), 266 states have return successors, (741), 721 states have call predecessors, (741), 741 states have call successors, (741) [2021-12-18 08:57:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4902 transitions. [2021-12-18 08:57:35,084 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4902 transitions. Word has length 558 [2021-12-18 08:57:35,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:35,085 INFO L470 AbstractCegarLoop]: Abstraction has 3603 states and 4902 transitions. [2021-12-18 08:57:35,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4902 transitions. [2021-12-18 08:57:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-12-18 08:57:35,092 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:35,092 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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 08:57:35,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 08:57:35,092 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:35,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:35,093 INFO L85 PathProgramCache]: Analyzing trace with hash -922461304, now seen corresponding path program 1 times [2021-12-18 08:57:35,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:35,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460885326] [2021-12-18 08:57:35,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:35,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:57:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:57:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:57:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:57:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:57:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:57:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 08:57:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 08:57:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 08:57:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 08:57:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 08:57:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 08:57:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-12-18 08:57:36,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:36,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460885326] [2021-12-18 08:57:36,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460885326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:36,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:36,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:57:36,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338680184] [2021-12-18 08:57:36,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:36,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:57:36,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:36,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:57:36,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:57:36,078 INFO L87 Difference]: Start difference. First operand 3603 states and 4902 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:43,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:43,474 INFO L93 Difference]: Finished difference Result 11704 states and 16172 transitions. [2021-12-18 08:57:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 08:57:43,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 564 [2021-12-18 08:57:43,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:43,527 INFO L225 Difference]: With dead ends: 11704 [2021-12-18 08:57:43,527 INFO L226 Difference]: Without dead ends: 8160 [2021-12-18 08:57:43,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-12-18 08:57:43,544 INFO L933 BasicCegarLoop]: 3511 mSDtfsCounter, 3417 mSDsluCounter, 8463 mSDsCounter, 0 mSdLazyCounter, 5364 mSolverCounterSat, 2133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3717 SdHoareTripleChecker+Valid, 11974 SdHoareTripleChecker+Invalid, 7497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2133 IncrementalHoareTripleChecker+Valid, 5364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:43,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3717 Valid, 11974 Invalid, 7497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2133 Valid, 5364 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 08:57:43,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8160 states. [2021-12-18 08:57:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8160 to 7029. [2021-12-18 08:57:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7029 states, 5069 states have (on average 1.3213651607812191) internal successors, (6698), 5195 states have internal predecessors, (6698), 1435 states have call successors, (1435), 529 states have call predecessors, (1435), 524 states have return successors, (1434), 1396 states have call predecessors, (1434), 1434 states have call successors, (1434) [2021-12-18 08:57:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 9567 transitions. [2021-12-18 08:57:43,883 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 9567 transitions. Word has length 564 [2021-12-18 08:57:43,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:43,885 INFO L470 AbstractCegarLoop]: Abstraction has 7029 states and 9567 transitions. [2021-12-18 08:57:43,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:43,886 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 9567 transitions. [2021-12-18 08:57:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-12-18 08:57:43,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:43,895 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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 08:57:43,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 08:57:43,896 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash 862941958, now seen corresponding path program 1 times [2021-12-18 08:57:43,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:43,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841198688] [2021-12-18 08:57:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:43,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:57:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:57:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:57:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:57:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:57:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:57:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 08:57:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 08:57:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 08:57:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 08:57:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 08:57:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 08:57:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-12-18 08:57:44,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841198688] [2021-12-18 08:57:44,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841198688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:44,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:44,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:57:44,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358383475] [2021-12-18 08:57:44,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:44,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:57:44,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:44,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:57:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:57:44,892 INFO L87 Difference]: Start difference. First operand 7029 states and 9567 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-18 08:57:50,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:50,378 INFO L93 Difference]: Finished difference Result 20406 states and 28133 transitions. [2021-12-18 08:57:50,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:57:50,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 564 [2021-12-18 08:57:50,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:50,453 INFO L225 Difference]: With dead ends: 20406 [2021-12-18 08:57:50,454 INFO L226 Difference]: Without dead ends: 13440 [2021-12-18 08:57:50,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 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 08:57:50,484 INFO L933 BasicCegarLoop]: 2922 mSDtfsCounter, 3882 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 3029 mSolverCounterSat, 2521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4174 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 5550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2521 IncrementalHoareTripleChecker+Valid, 3029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:50,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4174 Valid, 6867 Invalid, 5550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2521 Valid, 3029 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 08:57:50,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13440 states. [2021-12-18 08:57:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13440 to 11541. [2021-12-18 08:57:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11541 states, 8331 states have (on average 1.3172488296723082) internal successors, (10974), 8541 states have internal predecessors, (10974), 2337 states have call successors, (2337), 877 states have call predecessors, (2337), 872 states have return successors, (2336), 2284 states have call predecessors, (2336), 2336 states have call successors, (2336) [2021-12-18 08:57:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 15647 transitions. [2021-12-18 08:57:50,954 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 15647 transitions. Word has length 564 [2021-12-18 08:57:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:50,955 INFO L470 AbstractCegarLoop]: Abstraction has 11541 states and 15647 transitions. [2021-12-18 08:57:50,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-18 08:57:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 15647 transitions. [2021-12-18 08:57:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-12-18 08:57:50,965 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:50,965 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 08:57:50,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 08:57:50,966 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:50,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1985883345, now seen corresponding path program 1 times [2021-12-18 08:57:50,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:50,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031484132] [2021-12-18 08:57:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:57:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:57:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:57:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:57:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:57:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:57:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:57:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:57:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:57:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:57:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:57:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:57:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2021-12-18 08:57:52,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:52,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031484132] [2021-12-18 08:57:52,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031484132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:52,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:52,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:57:52,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143885897] [2021-12-18 08:57:52,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:52,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:57:52,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:52,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:57:52,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:57:52,253 INFO L87 Difference]: Start difference. First operand 11541 states and 15647 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:55,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:57:55,458 INFO L93 Difference]: Finished difference Result 14444 states and 19608 transitions. [2021-12-18 08:57:55,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:57:55,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 563 [2021-12-18 08:57:55,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:57:55,514 INFO L225 Difference]: With dead ends: 14444 [2021-12-18 08:57:55,514 INFO L226 Difference]: Without dead ends: 14441 [2021-12-18 08:57:55,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:57:55,523 INFO L933 BasicCegarLoop]: 1961 mSDtfsCounter, 3043 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 1733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 4018 SdHoareTripleChecker+Invalid, 3233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1733 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-18 08:57:55,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3238 Valid, 4018 Invalid, 3233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1733 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-18 08:57:55,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14441 states. [2021-12-18 08:57:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14441 to 12513. [2021-12-18 08:57:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12513 states, 8985 states have (on average 1.3032832498608793) internal successors, (11710), 9203 states have internal predecessors, (11710), 2453 states have call successors, (2453), 1079 states have call predecessors, (2453), 1074 states have return successors, (2452), 2400 states have call predecessors, (2452), 2452 states have call successors, (2452) [2021-12-18 08:57:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12513 states to 12513 states and 16615 transitions. [2021-12-18 08:57:56,009 INFO L78 Accepts]: Start accepts. Automaton has 12513 states and 16615 transitions. Word has length 563 [2021-12-18 08:57:56,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:57:56,010 INFO L470 AbstractCegarLoop]: Abstraction has 12513 states and 16615 transitions. [2021-12-18 08:57:56,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:57:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 12513 states and 16615 transitions. [2021-12-18 08:57:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-12-18 08:57:56,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:57:56,043 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:57:56,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 08:57:56,043 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:57:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:57:56,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1201945388, now seen corresponding path program 1 times [2021-12-18 08:57:56,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:57:56,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997148795] [2021-12-18 08:57:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:57:56,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:57:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:57:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:57:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:57:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:57:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:57:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:57:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:57:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:57:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:57:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:57:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:57:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:57:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:57:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:57:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:57:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:57:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:57:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:57:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:57:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:57:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:57:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:57:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:57:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:57:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:57:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:57:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:57:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:57:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:57:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:57:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:57:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 08:57:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:57:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 08:57:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:57:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 08:57:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 08:57:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-18 08:57:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-18 08:57:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:57:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:57:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-18 08:57:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-18 08:57:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2021-12-18 08:57:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:57:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-12-18 08:57:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:57:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3891 trivial. 0 not checked. [2021-12-18 08:57:57,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:57:57,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997148795] [2021-12-18 08:57:57,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997148795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:57:57,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:57:57,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:57:57,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770564467] [2021-12-18 08:57:57,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:57:57,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:57:57,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:57:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:57:57,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:57:57,157 INFO L87 Difference]: Start difference. First operand 12513 states and 16615 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 08:58:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:05,492 INFO L93 Difference]: Finished difference Result 34100 states and 45939 transitions. [2021-12-18 08:58:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 08:58:05,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 636 [2021-12-18 08:58:05,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:05,584 INFO L225 Difference]: With dead ends: 34100 [2021-12-18 08:58:05,584 INFO L226 Difference]: Without dead ends: 21650 [2021-12-18 08:58:05,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-12-18 08:58:05,631 INFO L933 BasicCegarLoop]: 2905 mSDtfsCounter, 3916 mSDsluCounter, 5561 mSDsCounter, 0 mSdLazyCounter, 5196 mSolverCounterSat, 2793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4102 SdHoareTripleChecker+Valid, 8466 SdHoareTripleChecker+Invalid, 7989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2793 IncrementalHoareTripleChecker+Valid, 5196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:05,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4102 Valid, 8466 Invalid, 7989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2793 Valid, 5196 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-18 08:58:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21650 states. [2021-12-18 08:58:06,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21650 to 18167. [2021-12-18 08:58:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18167 states, 13142 states have (on average 1.3008674478770355) internal successors, (17096), 13470 states have internal predecessors, (17096), 3443 states have call successors, (3443), 1590 states have call predecessors, (3443), 1581 states have return successors, (3442), 3358 states have call predecessors, (3442), 3442 states have call successors, (3442) [2021-12-18 08:58:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18167 states to 18167 states and 23981 transitions. [2021-12-18 08:58:06,352 INFO L78 Accepts]: Start accepts. Automaton has 18167 states and 23981 transitions. Word has length 636 [2021-12-18 08:58:06,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:06,353 INFO L470 AbstractCegarLoop]: Abstraction has 18167 states and 23981 transitions. [2021-12-18 08:58:06,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 08:58:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 18167 states and 23981 transitions. [2021-12-18 08:58:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2021-12-18 08:58:06,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:06,400 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:06,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 08:58:06,401 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:06,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash 727400918, now seen corresponding path program 1 times [2021-12-18 08:58:06,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:06,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780144317] [2021-12-18 08:58:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:06,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:58:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:58:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:58:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:58:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:58:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:58:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 08:58:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:58:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 08:58:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:58:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 08:58:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 08:58:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 08:58:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-18 08:58:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:58:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-18 08:58:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-12-18 08:58:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-12-18 08:58:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-12-18 08:58:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3919 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2021-12-18 08:58:08,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:58:08,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780144317] [2021-12-18 08:58:08,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780144317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:58:08,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:58:08,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-18 08:58:08,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244369637] [2021-12-18 08:58:08,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:58:08,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 08:58:08,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:58:08,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 08:58:08,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2021-12-18 08:58:08,054 INFO L87 Difference]: Start difference. First operand 18167 states and 23981 transitions. Second operand has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) [2021-12-18 08:58:20,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:20,438 INFO L93 Difference]: Finished difference Result 43687 states and 59508 transitions. [2021-12-18 08:58:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 08:58:20,439 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) Word has length 656 [2021-12-18 08:58:20,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:20,562 INFO L225 Difference]: With dead ends: 43687 [2021-12-18 08:58:20,562 INFO L226 Difference]: Without dead ends: 25583 [2021-12-18 08:58:20,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-12-18 08:58:20,619 INFO L933 BasicCegarLoop]: 2360 mSDtfsCounter, 3890 mSDsluCounter, 22883 mSDsCounter, 0 mSdLazyCounter, 12629 mSolverCounterSat, 2559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 25243 SdHoareTripleChecker+Invalid, 15188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2559 IncrementalHoareTripleChecker+Valid, 12629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:20,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4012 Valid, 25243 Invalid, 15188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2559 Valid, 12629 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2021-12-18 08:58:20,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25583 states. [2021-12-18 08:58:21,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25583 to 18191. [2021-12-18 08:58:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18191 states, 13160 states have (on average 1.3004559270516718) internal successors, (17114), 13488 states have internal predecessors, (17114), 3449 states have call successors, (3449), 1590 states have call predecessors, (3449), 1581 states have return successors, (3448), 3364 states have call predecessors, (3448), 3448 states have call successors, (3448) [2021-12-18 08:58:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18191 states to 18191 states and 24011 transitions. [2021-12-18 08:58:21,535 INFO L78 Accepts]: Start accepts. Automaton has 18191 states and 24011 transitions. Word has length 656 [2021-12-18 08:58:21,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:21,536 INFO L470 AbstractCegarLoop]: Abstraction has 18191 states and 24011 transitions. [2021-12-18 08:58:21,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) [2021-12-18 08:58:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 18191 states and 24011 transitions. [2021-12-18 08:58:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-12-18 08:58:21,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:21,582 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:21,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 08:58:21,582 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash 395320594, now seen corresponding path program 1 times [2021-12-18 08:58:21,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:21,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293173227] [2021-12-18 08:58:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:21,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:58:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:58:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:58:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:58:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:58:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:58:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:58:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:58:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:58:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:58:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:58:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:58:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:58:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 08:58:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 08:58:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-18 08:58:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 08:58:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:58:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 08:58:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 08:58:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:58:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-18 08:58:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-18 08:58:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 08:58:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-18 08:58:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2021-12-18 08:58:22,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:58:22,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293173227] [2021-12-18 08:58:22,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293173227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:58:22,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:58:22,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:58:22,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671923487] [2021-12-18 08:58:22,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:58:22,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:58:22,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:58:22,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:58:22,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:58:22,559 INFO L87 Difference]: Start difference. First operand 18191 states and 24011 transitions. Second operand has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:28,732 INFO L93 Difference]: Finished difference Result 39915 states and 53387 transitions. [2021-12-18 08:58:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 08:58:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 676 [2021-12-18 08:58:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:28,834 INFO L225 Difference]: With dead ends: 39915 [2021-12-18 08:58:28,834 INFO L226 Difference]: Without dead ends: 21787 [2021-12-18 08:58:28,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-12-18 08:58:28,898 INFO L933 BasicCegarLoop]: 1839 mSDtfsCounter, 2344 mSDsluCounter, 4546 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 1765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 6385 SdHoareTripleChecker+Invalid, 5809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1765 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:28,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2415 Valid, 6385 Invalid, 5809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1765 Valid, 4044 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 08:58:28,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21787 states. [2021-12-18 08:58:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21787 to 18311. [2021-12-18 08:58:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18311 states, 13280 states have (on average 1.2977409638554216) internal successors, (17234), 13608 states have internal predecessors, (17234), 3449 states have call successors, (3449), 1590 states have call predecessors, (3449), 1581 states have return successors, (3448), 3364 states have call predecessors, (3448), 3448 states have call successors, (3448) [2021-12-18 08:58:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18311 states to 18311 states and 24131 transitions. [2021-12-18 08:58:29,723 INFO L78 Accepts]: Start accepts. Automaton has 18311 states and 24131 transitions. Word has length 676 [2021-12-18 08:58:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:29,725 INFO L470 AbstractCegarLoop]: Abstraction has 18311 states and 24131 transitions. [2021-12-18 08:58:29,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 18311 states and 24131 transitions. [2021-12-18 08:58:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-12-18 08:58:29,763 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:29,764 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:29,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 08:58:29,764 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2007904280, now seen corresponding path program 1 times [2021-12-18 08:58:29,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185285035] [2021-12-18 08:58:29,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:29,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:58:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:58:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:58:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:58:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:58:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:58:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:58:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:58:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:58:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:58:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:58:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:58:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:58:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 08:58:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 08:58:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-18 08:58:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 08:58:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:58:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 08:58:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 08:58:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:58:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-18 08:58:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-18 08:58:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 08:58:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-18 08:58:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2021-12-18 08:58:30,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:58:30,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185285035] [2021-12-18 08:58:30,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185285035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:58:30,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:58:30,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 08:58:30,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407384694] [2021-12-18 08:58:30,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:58:30,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 08:58:30,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:58:30,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 08:58:30,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:58:30,816 INFO L87 Difference]: Start difference. First operand 18311 states and 24131 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:36,839 INFO L93 Difference]: Finished difference Result 40023 states and 53441 transitions. [2021-12-18 08:58:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 08:58:36,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 676 [2021-12-18 08:58:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:36,928 INFO L225 Difference]: With dead ends: 40023 [2021-12-18 08:58:36,928 INFO L226 Difference]: Without dead ends: 21775 [2021-12-18 08:58:36,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-18 08:58:36,993 INFO L933 BasicCegarLoop]: 1842 mSDtfsCounter, 2085 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 4537 mSolverCounterSat, 1630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 6968 SdHoareTripleChecker+Invalid, 6167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1630 IncrementalHoareTripleChecker+Valid, 4537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:36,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2207 Valid, 6968 Invalid, 6167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1630 Valid, 4537 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 08:58:37,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21775 states. [2021-12-18 08:58:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21775 to 18335. [2021-12-18 08:58:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18335 states, 13304 states have (on average 1.2972038484666266) internal successors, (17258), 13632 states have internal predecessors, (17258), 3449 states have call successors, (3449), 1590 states have call predecessors, (3449), 1581 states have return successors, (3448), 3364 states have call predecessors, (3448), 3448 states have call successors, (3448) [2021-12-18 08:58:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18335 states to 18335 states and 24155 transitions. [2021-12-18 08:58:37,892 INFO L78 Accepts]: Start accepts. Automaton has 18335 states and 24155 transitions. Word has length 676 [2021-12-18 08:58:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:37,893 INFO L470 AbstractCegarLoop]: Abstraction has 18335 states and 24155 transitions. [2021-12-18 08:58:37,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18335 states and 24155 transitions. [2021-12-18 08:58:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-12-18 08:58:37,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:37,927 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:37,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 08:58:37,928 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:37,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash 238432666, now seen corresponding path program 1 times [2021-12-18 08:58:37,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:37,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763467698] [2021-12-18 08:58:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:37,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:58:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:58:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:58:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:58:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:58:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:58:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:58:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:58:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:58:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:58:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:58:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:58:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:58:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 08:58:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 08:58:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-18 08:58:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 08:58:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:58:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 08:58:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 08:58:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:58:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-18 08:58:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-18 08:58:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 08:58:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-18 08:58:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2021-12-18 08:58:39,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:58:39,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763467698] [2021-12-18 08:58:39,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763467698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:58:39,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:58:39,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-18 08:58:39,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518629379] [2021-12-18 08:58:39,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:58:39,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 08:58:39,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:58:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 08:58:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-12-18 08:58:39,379 INFO L87 Difference]: Start difference. First operand 18335 states and 24155 transitions. Second operand has 17 states, 15 states have (on average 13.333333333333334) internal successors, (200), 9 states have internal predecessors, (200), 4 states have call successors, (61), 7 states have call predecessors, (61), 4 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 08:58:50,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:50,986 INFO L93 Difference]: Finished difference Result 42963 states and 57977 transitions. [2021-12-18 08:58:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 08:58:50,987 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 13.333333333333334) internal successors, (200), 9 states have internal predecessors, (200), 4 states have call successors, (61), 7 states have call predecessors, (61), 4 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) Word has length 676 [2021-12-18 08:58:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:51,086 INFO L225 Difference]: With dead ends: 42963 [2021-12-18 08:58:51,087 INFO L226 Difference]: Without dead ends: 24691 [2021-12-18 08:58:51,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2021-12-18 08:58:51,157 INFO L933 BasicCegarLoop]: 1861 mSDtfsCounter, 3414 mSDsluCounter, 15289 mSDsCounter, 0 mSdLazyCounter, 11251 mSolverCounterSat, 2684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3536 SdHoareTripleChecker+Valid, 17150 SdHoareTripleChecker+Invalid, 13935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2684 IncrementalHoareTripleChecker+Valid, 11251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:51,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3536 Valid, 17150 Invalid, 13935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2684 Valid, 11251 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-18 08:58:51,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24691 states. [2021-12-18 08:58:51,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24691 to 18419. [2021-12-18 08:58:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18419 states, 13364 states have (on average 1.2958695001496559) internal successors, (17318), 13692 states have internal predecessors, (17318), 3461 states have call successors, (3461), 1590 states have call predecessors, (3461), 1593 states have return successors, (3500), 3388 states have call predecessors, (3500), 3460 states have call successors, (3500) [2021-12-18 08:58:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18419 states to 18419 states and 24279 transitions. [2021-12-18 08:58:52,050 INFO L78 Accepts]: Start accepts. Automaton has 18419 states and 24279 transitions. Word has length 676 [2021-12-18 08:58:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:52,051 INFO L470 AbstractCegarLoop]: Abstraction has 18419 states and 24279 transitions. [2021-12-18 08:58:52,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 13.333333333333334) internal successors, (200), 9 states have internal predecessors, (200), 4 states have call successors, (61), 7 states have call predecessors, (61), 4 states have return successors, (57), 5 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 08:58:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 18419 states and 24279 transitions. [2021-12-18 08:58:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-12-18 08:58:52,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:52,084 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:52,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 08:58:52,085 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:52,085 INFO L85 PathProgramCache]: Analyzing trace with hash -595656328, now seen corresponding path program 1 times [2021-12-18 08:58:52,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:52,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529412676] [2021-12-18 08:58:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:52,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:58:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:58:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:58:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:58:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:58:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:58:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:58:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:58:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:58:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:58:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:58:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 08:58:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:58:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 08:58:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 08:58:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-12-18 08:58:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 08:58:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:58:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 08:58:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 08:58:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:58:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-12-18 08:58:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-18 08:58:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-18 08:58:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-18 08:58:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2021-12-18 08:58:53,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:58:53,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529412676] [2021-12-18 08:58:53,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529412676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:58:53,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:58:53,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 08:58:53,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438581325] [2021-12-18 08:58:53,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:58:53,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 08:58:53,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:58:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 08:58:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:58:53,031 INFO L87 Difference]: Start difference. First operand 18419 states and 24279 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:58:57,994 INFO L93 Difference]: Finished difference Result 43023 states and 58053 transitions. [2021-12-18 08:58:57,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 08:58:57,995 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 676 [2021-12-18 08:58:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:58:58,087 INFO L225 Difference]: With dead ends: 43023 [2021-12-18 08:58:58,087 INFO L226 Difference]: Without dead ends: 24667 [2021-12-18 08:58:58,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-18 08:58:58,142 INFO L933 BasicCegarLoop]: 1865 mSDtfsCounter, 3373 mSDsluCounter, 4254 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 3009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 6119 SdHoareTripleChecker+Invalid, 6285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3009 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 08:58:58,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3508 Valid, 6119 Invalid, 6285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3009 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 08:58:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24667 states. [2021-12-18 08:58:58,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24667 to 18479. [2021-12-18 08:58:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18479 states, 13412 states have (on average 1.2957053385028332) internal successors, (17378), 13740 states have internal predecessors, (17378), 3473 states have call successors, (3473), 1590 states have call predecessors, (3473), 1593 states have return successors, (3512), 3400 states have call predecessors, (3512), 3472 states have call successors, (3512) [2021-12-18 08:58:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 24363 transitions. [2021-12-18 08:58:58,999 INFO L78 Accepts]: Start accepts. Automaton has 18479 states and 24363 transitions. Word has length 676 [2021-12-18 08:58:59,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:58:59,000 INFO L470 AbstractCegarLoop]: Abstraction has 18479 states and 24363 transitions. [2021-12-18 08:58:59,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (61), 8 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 08:58:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 18479 states and 24363 transitions. [2021-12-18 08:58:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2021-12-18 08:58:59,033 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:58:59,033 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:58:59,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 08:58:59,034 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:58:59,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:58:59,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1353886208, now seen corresponding path program 1 times [2021-12-18 08:58:59,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:58:59,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408178095] [2021-12-18 08:58:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:58:59,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:58:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:58:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:58:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:58:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:58:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:58:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:58:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:58:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:58:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:58:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:58:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:58:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:58:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:58:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:58:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:58:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:58:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:58:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:58:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:58:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:58:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:58:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:58:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:58:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:58:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:58:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:58:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:58:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:58:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:59:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:59:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:59:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:59:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:59:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:59:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 08:59:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:59:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 08:59:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 08:59:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:59:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 08:59:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 08:59:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-18 08:59:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-18 08:59:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-18 08:59:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-18 08:59:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 08:59:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-18 08:59:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-18 08:59:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:59:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 08:59:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 08:59:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:59:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-12-18 08:59:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-12-18 08:59:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-12-18 08:59:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2021-12-18 08:59:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3786 trivial. 0 not checked. [2021-12-18 08:59:00,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:59:00,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408178095] [2021-12-18 08:59:00,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408178095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:59:00,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:59:00,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 08:59:00,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036535590] [2021-12-18 08:59:00,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:59:00,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 08:59:00,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:59:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 08:59:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 08:59:00,358 INFO L87 Difference]: Start difference. First operand 18479 states and 24363 transitions. Second operand has 10 states, 10 states have (on average 20.1) internal successors, (201), 5 states have internal predecessors, (201), 2 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 08:59:07,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:59:07,266 INFO L93 Difference]: Finished difference Result 40911 states and 54651 transitions. [2021-12-18 08:59:07,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 08:59:07,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.1) internal successors, (201), 5 states have internal predecessors, (201), 2 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 696 [2021-12-18 08:59:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:59:07,330 INFO L225 Difference]: With dead ends: 40911 [2021-12-18 08:59:07,330 INFO L226 Difference]: Without dead ends: 22495 [2021-12-18 08:59:07,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-12-18 08:59:07,371 INFO L933 BasicCegarLoop]: 1889 mSDtfsCounter, 2400 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 5163 mSolverCounterSat, 1838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 8541 SdHoareTripleChecker+Invalid, 7001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1838 IncrementalHoareTripleChecker+Valid, 5163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:59:07,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2463 Valid, 8541 Invalid, 7001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1838 Valid, 5163 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-18 08:59:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22495 states. [2021-12-18 08:59:07,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22495 to 18503. [2021-12-18 08:59:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18503 states, 13436 states have (on average 1.2951771360523965) internal successors, (17402), 13764 states have internal predecessors, (17402), 3473 states have call successors, (3473), 1590 states have call predecessors, (3473), 1593 states have return successors, (3512), 3400 states have call predecessors, (3512), 3472 states have call successors, (3512) [2021-12-18 08:59:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18503 states to 18503 states and 24387 transitions. [2021-12-18 08:59:08,050 INFO L78 Accepts]: Start accepts. Automaton has 18503 states and 24387 transitions. Word has length 696 [2021-12-18 08:59:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:59:08,051 INFO L470 AbstractCegarLoop]: Abstraction has 18503 states and 24387 transitions. [2021-12-18 08:59:08,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.1) internal successors, (201), 5 states have internal predecessors, (201), 2 states have call successors, (64), 7 states have call predecessors, (64), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 08:59:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 18503 states and 24387 transitions. [2021-12-18 08:59:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-12-18 08:59:08,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:59:08,076 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:59:08,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 08:59:08,076 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:59:08,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:59:08,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1648921529, now seen corresponding path program 1 times [2021-12-18 08:59:08,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:59:08,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751763870] [2021-12-18 08:59:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:08,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:59:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:59:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:59:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:59:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:59:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:59:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:59:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:59:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:59:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:59:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:59:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:59:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:59:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:59:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:59:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:59:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:59:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:59:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:59:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:59:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:59:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:59:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:59:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:59:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:59:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:59:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:59:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:59:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:59:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:59:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:59:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:59:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 08:59:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:59:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 08:59:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 08:59:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 08:59:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:59:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:59:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-18 08:59:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:59:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-18 08:59:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-18 08:59:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:59:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-12-18 08:59:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-12-18 08:59:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-12-18 08:59:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2021-12-18 08:59:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-12-18 08:59:09,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:59:09,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751763870] [2021-12-18 08:59:09,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751763870] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 08:59:09,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318458829] [2021-12-18 08:59:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:09,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 08:59:09,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:59:09,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 08:59:09,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 08:59:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:10,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-18 08:59:10,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 08:59:11,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-12-18 08:59:23,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-18 08:59:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 3678 trivial. 0 not checked. [2021-12-18 08:59:23,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 08:59:23,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318458829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:59:23,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 08:59:23,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 20 [2021-12-18 08:59:23,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557489803] [2021-12-18 08:59:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:59:23,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 08:59:23,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:59:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 08:59:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=330, Unknown=3, NotChecked=0, Total=380 [2021-12-18 08:59:23,706 INFO L87 Difference]: Start difference. First operand 18503 states and 24387 transitions. Second operand has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) [2021-12-18 08:59:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:59:24,694 INFO L93 Difference]: Finished difference Result 39415 states and 52850 transitions. [2021-12-18 08:59:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 08:59:24,695 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) Word has length 688 [2021-12-18 08:59:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:59:24,774 INFO L225 Difference]: With dead ends: 39415 [2021-12-18 08:59:24,774 INFO L226 Difference]: Without dead ends: 20975 [2021-12-18 08:59:24,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 918 GetRequests, 893 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=67, Invalid=482, Unknown=3, NotChecked=0, Total=552 [2021-12-18 08:59:24,830 INFO L933 BasicCegarLoop]: 2317 mSDtfsCounter, 497 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 7993 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 336 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 08:59:24,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 7993 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 336 Unchecked, 0.1s Time] [2021-12-18 08:59:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20975 states. [2021-12-18 08:59:25,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20975 to 20009. [2021-12-18 08:59:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 14922 states have (on average 1.3309207880981102) internal successors, (19860), 15250 states have internal predecessors, (19860), 3479 states have call successors, (3479), 1604 states have call predecessors, (3479), 1607 states have return successors, (3518), 3406 states have call predecessors, (3518), 3478 states have call successors, (3518) [2021-12-18 08:59:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 26857 transitions. [2021-12-18 08:59:25,744 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 26857 transitions. Word has length 688 [2021-12-18 08:59:25,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:59:25,744 INFO L470 AbstractCegarLoop]: Abstraction has 20009 states and 26857 transitions. [2021-12-18 08:59:25,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) [2021-12-18 08:59:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 26857 transitions. [2021-12-18 08:59:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-12-18 08:59:25,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:59:25,773 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:59:25,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 08:59:25,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-18 08:59:25,974 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:59:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:59:25,974 INFO L85 PathProgramCache]: Analyzing trace with hash 438765018, now seen corresponding path program 1 times [2021-12-18 08:59:25,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:59:25,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754693034] [2021-12-18 08:59:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:25,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:59:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:59:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:59:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:59:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:59:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:59:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:59:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:59:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:59:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:59:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:59:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:59:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:59:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:59:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:59:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:59:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:59:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:59:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:59:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:59:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:59:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:59:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:59:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:59:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:59:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:59:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:59:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:59:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:59:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:59:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:59:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:59:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 08:59:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:59:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 08:59:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 08:59:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 08:59:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:59:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:59:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-18 08:59:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:59:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-18 08:59:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-12-18 08:59:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-12-18 08:59:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:59:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-12-18 08:59:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2021-12-18 08:59:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2021-12-18 08:59:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2021-12-18 08:59:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3954 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 3928 trivial. 0 not checked. [2021-12-18 08:59:27,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:59:27,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754693034] [2021-12-18 08:59:27,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754693034] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 08:59:27,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394616141] [2021-12-18 08:59:27,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:27,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 08:59:27,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:59:27,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 08:59:27,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 08:59:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:28,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 5279 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-18 08:59:28,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 08:59:29,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-12-18 08:59:41,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-18 08:59:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3954 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 3684 trivial. 0 not checked. [2021-12-18 08:59:41,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 08:59:41,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394616141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:59:41,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 08:59:41,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 20 [2021-12-18 08:59:41,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668776016] [2021-12-18 08:59:41,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:59:41,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 08:59:41,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:59:41,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 08:59:41,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=330, Unknown=3, NotChecked=0, Total=380 [2021-12-18 08:59:41,660 INFO L87 Difference]: Start difference. First operand 20009 states and 26857 transitions. Second operand has 11 states, 11 states have (on average 18.09090909090909) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (59), 7 states have call predecessors, (59), 5 states have call successors, (59) [2021-12-18 08:59:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:59:47,169 INFO L93 Difference]: Finished difference Result 46831 states and 63036 transitions. [2021-12-18 08:59:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 08:59:47,170 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.09090909090909) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (59), 7 states have call predecessors, (59), 5 states have call successors, (59) Word has length 699 [2021-12-18 08:59:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:59:47,249 INFO L225 Difference]: With dead ends: 46831 [2021-12-18 08:59:47,250 INFO L226 Difference]: Without dead ends: 26885 [2021-12-18 08:59:47,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 906 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=98, Invalid=655, Unknown=3, NotChecked=0, Total=756 [2021-12-18 08:59:47,295 INFO L933 BasicCegarLoop]: 2512 mSDtfsCounter, 842 mSDsluCounter, 18988 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 21500 SdHoareTripleChecker+Invalid, 3625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 340 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 08:59:47,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 21500 Invalid, 3625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3265 Invalid, 0 Unknown, 340 Unchecked, 4.6s Time] [2021-12-18 08:59:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26885 states. [2021-12-18 08:59:48,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26885 to 26192. [2021-12-18 08:59:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26192 states, 19809 states have (on average 1.3474683224796808) internal successors, (26692), 20278 states have internal predecessors, (26692), 4323 states have call successors, (4323), 2080 states have call predecessors, (4323), 2059 states have return successors, (4428), 4103 states have call predecessors, (4428), 4322 states have call successors, (4428) [2021-12-18 08:59:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26192 states to 26192 states and 35443 transitions. [2021-12-18 08:59:48,189 INFO L78 Accepts]: Start accepts. Automaton has 26192 states and 35443 transitions. Word has length 699 [2021-12-18 08:59:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:59:48,190 INFO L470 AbstractCegarLoop]: Abstraction has 26192 states and 35443 transitions. [2021-12-18 08:59:48,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.09090909090909) internal successors, (199), 9 states have internal predecessors, (199), 5 states have call successors, (61), 4 states have call predecessors, (61), 6 states have return successors, (59), 7 states have call predecessors, (59), 5 states have call successors, (59) [2021-12-18 08:59:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 26192 states and 35443 transitions. [2021-12-18 08:59:48,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-12-18 08:59:48,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:59:48,235 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:59:48,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 08:59:48,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-18 08:59:48,438 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:59:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:59:48,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1505230308, now seen corresponding path program 1 times [2021-12-18 08:59:48,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:59:48,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369036847] [2021-12-18 08:59:48,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:48,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:59:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:59:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:59:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:59:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:59:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:59:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:59:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:59:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:59:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:59:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:59:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 08:59:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:59:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:59:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 08:59:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 08:59:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:59:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 08:59:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 08:59:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 08:59:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 08:59:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 08:59:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:59:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:59:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 08:59:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 08:59:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 08:59:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 08:59:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 08:59:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 08:59:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 08:59:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 08:59:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 08:59:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 08:59:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 08:59:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 08:59:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 08:59:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:59:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 08:59:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-12-18 08:59:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:59:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-18 08:59:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-18 08:59:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-12-18 08:59:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2021-12-18 08:59:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:59:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 08:59:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-18 08:59:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2021-12-18 08:59:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-12-18 08:59:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:59:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-12-18 08:59:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2021-12-18 08:59:49,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:59:49,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369036847] [2021-12-18 08:59:49,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369036847] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 08:59:49,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388629806] [2021-12-18 08:59:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:59:49,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 08:59:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:59:49,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 08:59:49,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 08:59:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:59:50,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 5337 conjuncts, 221 conjunts are in the unsatisfiable core [2021-12-18 08:59:50,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 08:59:51,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 08:59:51,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 08:59:51,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:51,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:51,868 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 08:59:51,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 08:59:51,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 08:59:51,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:51,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:52,031 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 08:59:52,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 08:59:52,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 08:59:52,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:52,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-12-18 08:59:52,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 08:59:52,456 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 08:59:52,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 08:59:52,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 08:59:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 08:59:53,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 08:59:53,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 08:59:53,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 08:59:53,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 08:59:53,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 08:59:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 08:59:53,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 08:59:53,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 08:59:53,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2021-12-18 08:59:53,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 09:00:01,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-12-18 09:00:01,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:00:01,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2021-12-18 09:00:05,597 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-18 09:00:05,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 13 [2021-12-18 09:00:05,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:00:05,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 09:00:05,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-12-18 09:00:06,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-12-18 09:00:06,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 09:00:16,260 INFO L354 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2021-12-18 09:00:16,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2021-12-18 09:00:16,277 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-12-18 09:00:16,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-12-18 09:00:23,554 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-12-18 09:00:23,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 82 [2021-12-18 09:00:23,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-12-18 09:00:24,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2021-12-18 09:01:47,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-12-18 09:01:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1303 proven. 125 refuted. 0 times theorem prover too weak. 2532 trivial. 0 not checked. [2021-12-18 09:01:47,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:02:12,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388629806] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:02:12,069 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:02:12,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 61] total 70 [2021-12-18 09:02:12,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358369559] [2021-12-18 09:02:12,069 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:02:12,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-12-18 09:02:12,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:02:12,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-12-18 09:02:12,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=4736, Unknown=69, NotChecked=0, Total=5112 [2021-12-18 09:02:12,073 INFO L87 Difference]: Start difference. First operand 26192 states and 35443 transitions. Second operand has 70 states, 65 states have (on average 5.723076923076923) internal successors, (372), 48 states have internal predecessors, (372), 22 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 26 states have call predecessors, (94), 22 states have call successors, (94) [2021-12-18 09:05:03,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:05:03,738 INFO L93 Difference]: Finished difference Result 135010 states and 191656 transitions. [2021-12-18 09:05:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-12-18 09:05:03,741 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 65 states have (on average 5.723076923076923) internal successors, (372), 48 states have internal predecessors, (372), 22 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 26 states have call predecessors, (94), 22 states have call successors, (94) Word has length 708 [2021-12-18 09:05:03,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:05:04,185 INFO L225 Difference]: With dead ends: 135010 [2021-12-18 09:05:04,185 INFO L226 Difference]: Without dead ends: 108881 [2021-12-18 09:05:04,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 958 SyntacticMatches, 16 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6450 ImplicationChecksByTransitivity, 234.2s TimeCoverageRelationStatistics Valid=1283, Invalid=17223, Unknown=126, NotChecked=0, Total=18632 [2021-12-18 09:05:04,256 INFO L933 BasicCegarLoop]: 3868 mSDtfsCounter, 11950 mSDsluCounter, 87237 mSDsCounter, 0 mSdLazyCounter, 72623 mSolverCounterSat, 8240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12313 SdHoareTripleChecker+Valid, 91105 SdHoareTripleChecker+Invalid, 130436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 8240 IncrementalHoareTripleChecker+Valid, 72623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49573 IncrementalHoareTripleChecker+Unchecked, 63.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:05:04,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12313 Valid, 91105 Invalid, 130436 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [8240 Valid, 72623 Invalid, 0 Unknown, 49573 Unchecked, 63.9s Time] [2021-12-18 09:05:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108881 states. [2021-12-18 09:05:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108881 to 99904. [2021-12-18 09:05:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99904 states, 78215 states have (on average 1.4086300581729847) internal successors, (110176), 81281 states have internal predecessors, (110176), 15711 states have call successors, (15711), 5908 states have call predecessors, (15711), 5977 states have return successors, (17496), 13394 states have call predecessors, (17496), 15710 states have call successors, (17496) [2021-12-18 09:05:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99904 states to 99904 states and 143383 transitions. [2021-12-18 09:05:08,476 INFO L78 Accepts]: Start accepts. Automaton has 99904 states and 143383 transitions. Word has length 708 [2021-12-18 09:05:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:05:08,477 INFO L470 AbstractCegarLoop]: Abstraction has 99904 states and 143383 transitions. [2021-12-18 09:05:08,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 65 states have (on average 5.723076923076923) internal successors, (372), 48 states have internal predecessors, (372), 22 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 26 states have call predecessors, (94), 22 states have call successors, (94) [2021-12-18 09:05:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 99904 states and 143383 transitions. [2021-12-18 09:05:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2021-12-18 09:05:08,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:05:08,675 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:05:08,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-18 09:05:08,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:05:08,877 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:05:08,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:05:08,878 INFO L85 PathProgramCache]: Analyzing trace with hash -715247798, now seen corresponding path program 1 times [2021-12-18 09:05:08,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:05:08,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114680514] [2021-12-18 09:05:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:05:08,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:05:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:05:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:05:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:05:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:05:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:05:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:05:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:05:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:05:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:05:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:05:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:05:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:05:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 09:05:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:05:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 09:05:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 09:05:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:05:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:05:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 09:05:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 09:05:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 09:05:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 09:05:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 09:05:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 09:05:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 09:05:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 09:05:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 09:05:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 09:05:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 09:05:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 09:05:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 09:05:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 09:05:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:05:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:05:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:05:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-18 09:05:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 09:05:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 09:05:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-18 09:05:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-18 09:05:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-12-18 09:05:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-18 09:05:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-18 09:05:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-12-18 09:05:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-12-18 09:05:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-12-18 09:05:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-12-18 09:05:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 09:05:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-12-18 09:05:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2021-12-18 09:05:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2021-12-18 09:05:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2021-12-18 09:05:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4156 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 4129 trivial. 0 not checked. [2021-12-18 09:05:10,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:05:10,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114680514] [2021-12-18 09:05:10,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114680514] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:05:10,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693862569] [2021-12-18 09:05:10,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:05:10,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:05:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:05:10,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 09:05:10,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 09:05:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:11,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 230 conjunts are in the unsatisfiable core [2021-12-18 09:05:11,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:05:11,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 09:05:12,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 09:05:12,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,178 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 09:05:12,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 09:05:12,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 09:05:12,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,278 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 09:05:12,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 09:05:12,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-18 09:05:12,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-12-18 09:05:12,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,587 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-18 09:05:12,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-18 09:05:12,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 09:05:12,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:12,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-18 09:05:13,027 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-18 09:05:13,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-18 09:05:13,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:05:13,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 09:05:13,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:05:13,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 09:05:13,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:05:14,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2021-12-18 09:05:14,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 09:05:14,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:06:15,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-12-18 09:06:15,921 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-12-18 09:06:15,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2021-12-18 09:06:16,955 INFO L354 Elim1Store]: treesize reduction 41, result has 31.7 percent of original size [2021-12-18 09:06:16,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 44 [2021-12-18 09:06:16,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-12-18 09:06:21,384 INFO L354 Elim1Store]: treesize reduction 35, result has 28.6 percent of original size [2021-12-18 09:06:21,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 42 [2021-12-18 09:06:21,412 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-18 09:06:21,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 50 [2021-12-18 09:06:21,420 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-12-18 09:06:21,420 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-18 09:06:21,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-12-18 09:06:21,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143006234] [2021-12-18 09:06:21,420 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-18 09:06:21,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 09:06:21,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:06:21,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 09:06:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=2293, Unknown=30, NotChecked=0, Total=2550 [2021-12-18 09:06:21,423 INFO L87 Difference]: Start difference. First operand 99904 states and 143383 transitions. Second operand has 13 states, 13 states have (on average 15.461538461538462) internal successors, (201), 6 states have internal predecessors, (201), 2 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 4 states have call predecessors, (62), 2 states have call successors, (62) [2021-12-18 09:06:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 09:06:21,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 756 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 67.1s TimeCoverageRelationStatistics Valid=227, Invalid=2293, Unknown=30, NotChecked=0, Total=2550 [2021-12-18 09:06:21,425 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:06:21,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:06:21,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 09:06:21,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-18 09:06:21,642 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@2375cc19 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-18 09:06:21,647 INFO L158 Benchmark]: Toolchain (without parser) took 558876.87ms. Allocated memory was 119.5MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 93.0MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-12-18 09:06:21,647 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 09:06:21,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3128.54ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 92.4MB in the beginning and 65.7MB in the end (delta: 26.7MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2021-12-18 09:06:21,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.30ms. Allocated memory is still 174.1MB. Free memory was 65.4MB in the beginning and 83.9MB in the end (delta: -18.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-18 09:06:21,647 INFO L158 Benchmark]: Boogie Preprocessor took 246.70ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 83.9MB in the beginning and 145.0MB in the end (delta: -61.2MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-12-18 09:06:21,648 INFO L158 Benchmark]: RCFGBuilder took 4377.90ms. Allocated memory was 230.7MB in the beginning and 476.1MB in the end (delta: 245.4MB). Free memory was 145.0MB in the beginning and 350.2MB in the end (delta: -205.2MB). Peak memory consumption was 301.7MB. Max. memory is 16.1GB. [2021-12-18 09:06:21,648 INFO L158 Benchmark]: TraceAbstraction took 550834.47ms. Allocated memory was 476.1MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 349.2MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 903.5MB. Max. memory is 16.1GB. [2021-12-18 09:06:21,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3128.54ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 92.4MB in the beginning and 65.7MB in the end (delta: 26.7MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.30ms. Allocated memory is still 174.1MB. Free memory was 65.4MB in the beginning and 83.9MB in the end (delta: -18.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 246.70ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 83.9MB in the beginning and 145.0MB in the end (delta: -61.2MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4377.90ms. Allocated memory was 230.7MB in the beginning and 476.1MB in the end (delta: 245.4MB). Free memory was 145.0MB in the beginning and 350.2MB in the end (delta: -205.2MB). Peak memory consumption was 301.7MB. Max. memory is 16.1GB. * TraceAbstraction took 550834.47ms. Allocated memory was 476.1MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 349.2MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 903.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@2375cc19 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@2375cc19: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-18 09:06:21,856 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-18 09:06:21,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:06:23,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:06:23,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:06:23,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:06:23,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:06:23,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:06:23,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:06:23,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:06:23,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:06:23,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:06:23,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:06:23,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:06:23,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:06:23,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:06:23,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:06:23,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:06:23,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:06:23,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:06:23,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:06:23,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:06:23,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:06:23,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:06:23,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:06:23,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:06:23,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:06:23,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:06:23,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:06:23,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:06:23,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:06:23,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:06:23,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:06:23,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:06:23,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:06:23,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:06:23,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:06:23,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:06:23,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:06:23,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:06:23,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:06:23,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:06:23,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:06:23,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 09:06:23,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:06:23,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:06:23,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:06:23,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:06:23,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:06:23,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:06:23,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:06:23,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:06:23,889 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:06:23,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:06:23,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:06:23,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:06:23,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:06:23,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:06:23,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 09:06:23,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 09:06:23,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 09:06:23,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:06:23,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:06:23,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:06:23,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:06:23,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:06:23,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:06:23,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:06:23,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:06:23,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:06:23,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:06:23,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 09:06:23,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 09:06:23,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:06:23,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:06:23,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:06:23,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:06:23,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 09:06:23,895 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-12-18 09:06:24,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:06:24,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:06:24,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:06:24,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:06:24,195 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:06:24,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 09:06:24,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f7c709b/c163501f98da434190a6378bd257284c/FLAG364135eb4 [2021-12-18 09:06:25,133 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:06:25,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 09:06:25,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f7c709b/c163501f98da434190a6378bd257284c/FLAG364135eb4 [2021-12-18 09:06:25,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f7c709b/c163501f98da434190a6378bd257284c [2021-12-18 09:06:25,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:06:25,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:06:25,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:06:25,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:06:25,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:06:25,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:06:25" (1/1) ... [2021-12-18 09:06:25,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f152bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:25, skipping insertion in model container [2021-12-18 09:06:25,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:06:25" (1/1) ... [2021-12-18 09:06:25,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:06:25,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:06:27,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-18 09:06:27,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:06:27,582 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 09:06:27,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:06:28,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-18 09:06:28,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:06:28,052 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:06:28,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-12-18 09:06:28,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:06:28,670 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:06:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28 WrapperNode [2021-12-18 09:06:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:06:28,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:06:28,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:06:28,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:06:28,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:28,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:28,915 INFO L137 Inliner]: procedures = 350, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4470 [2021-12-18 09:06:28,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:06:28,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:06:28,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:06:28,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:06:28,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:28,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:06:29,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:06:29,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:06:29,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:06:29,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (1/1) ... [2021-12-18 09:06:29,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:06:29,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:06:29,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:06:29,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 09:06:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 09:06:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 09:06:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 09:06:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:06:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 09:06:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-18 09:06:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-18 09:06:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:06:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:06:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:06:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:06:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:06:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 09:06:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 09:06:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-12-18 09:06:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-12-18 09:06:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 09:06:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 09:06:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-18 09:06:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-18 09:06:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:06:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:06:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 09:06:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 09:06:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:06:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:06:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 09:06:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 09:06:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-12-18 09:06:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-12-18 09:06:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-18 09:06:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-18 09:06:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-18 09:06:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-18 09:06:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-12-18 09:06:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-12-18 09:06:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-12-18 09:06:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-12-18 09:06:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 09:06:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 09:06:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-12-18 09:06:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-12-18 09:06:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-12-18 09:06:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-12-18 09:06:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 09:06:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 09:06:29,278 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:06:29,278 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:06:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-18 09:06:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-18 09:06:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-18 09:06:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-18 09:06:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 09:06:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 09:06:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-18 09:06:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-18 09:06:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:06:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:06:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 09:06:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 09:06:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-18 09:06:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-18 09:06:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-18 09:06:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-18 09:06:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-18 09:06:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-18 09:06:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-12-18 09:06:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-12-18 09:06:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 09:06:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 09:06:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-18 09:06:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-18 09:06:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 09:06:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 09:06:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-18 09:06:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-18 09:06:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-18 09:06:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-18 09:06:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:06:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-18 09:06:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-18 09:06:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-18 09:06:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-18 09:06:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-18 09:06:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-18 09:06:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:06:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:06:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-18 09:06:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-18 09:06:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-12-18 09:06:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-12-18 09:06:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:06:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:06:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:06:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:06:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:06:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 09:06:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 09:06:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:06:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:06:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-18 09:06:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-18 09:06:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 09:06:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 09:06:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 09:06:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 09:06:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 09:06:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 09:06:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 09:06:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:06:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 09:06:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-18 09:06:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-18 09:06:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:06:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-12-18 09:06:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-12-18 09:06:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 09:06:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 09:06:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-18 09:06:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-18 09:06:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 09:06:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 09:06:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 09:06:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-18 09:06:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-18 09:06:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-18 09:06:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-18 09:06:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-18 09:06:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-18 09:06:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:06:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:06:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:06:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:06:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-12-18 09:06:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-12-18 09:06:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 09:06:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 09:06:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-18 09:06:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-18 09:06:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-18 09:06:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-18 09:06:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-12-18 09:06:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-12-18 09:06:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 09:06:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 09:06:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-18 09:06:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-18 09:06:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-18 09:06:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-18 09:06:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 09:06:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 09:06:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 09:06:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 09:06:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-18 09:06:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-18 09:06:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-18 09:06:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-18 09:06:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-12-18 09:06:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-12-18 09:06:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-12-18 09:06:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-12-18 09:06:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-12-18 09:06:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-12-18 09:06:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-18 09:06:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-18 09:06:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:06:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:06:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-12-18 09:06:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-12-18 09:06:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-18 09:06:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-18 09:06:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:06:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:06:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:06:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:06:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-18 09:06:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-18 09:06:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-12-18 09:06:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-12-18 09:06:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:06:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:06:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-18 09:06:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-18 09:06:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 09:06:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-18 09:06:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-18 09:06:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-18 09:06:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 09:06:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 09:06:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 09:06:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 09:06:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:06:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:06:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 09:06:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 09:06:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-12-18 09:06:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 09:06:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-12-18 09:06:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:06:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 09:06:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 09:06:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 09:06:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 09:06:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 09:06:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 09:06:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 09:06:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-12-18 09:06:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-12-18 09:06:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 09:06:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 09:06:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 09:06:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 09:06:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-18 09:06:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-18 09:06:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 09:06:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 09:06:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-12-18 09:06:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-12-18 09:06:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 09:06:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 09:06:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-12-18 09:06:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-12-18 09:06:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 09:06:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-18 09:06:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-18 09:06:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:06:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:06:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-18 09:06:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-18 09:06:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 09:06:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 09:06:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 09:06:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 09:06:30,008 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:06:30,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:06:42,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:07:06,734 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:07:06,760 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:07:06,761 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 09:07:06,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:07:06 BoogieIcfgContainer [2021-12-18 09:07:06,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:07:06,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:07:06,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:07:06,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:07:06,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:06:25" (1/3) ... [2021-12-18 09:07:06,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58119fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:07:06, skipping insertion in model container [2021-12-18 09:07:06,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:06:28" (2/3) ... [2021-12-18 09:07:06,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58119fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:07:06, skipping insertion in model container [2021-12-18 09:07:06,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:07:06" (3/3) ... [2021-12-18 09:07:06,773 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-12-18 09:07:06,778 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:07:06,778 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:07:06,839 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:07:06,844 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 09:07:06,844 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:07:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-18 09:07:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 09:07:06,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:06,934 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 09:07:06,935 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:06,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:06,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2007704875, now seen corresponding path program 1 times [2021-12-18 09:07:06,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:06,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805637795] [2021-12-18 09:07:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:06,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:06,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:06,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:06,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 09:07:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:08,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-18 09:07:08,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2021-12-18 09:07:09,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:07:09,774 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:09,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805637795] [2021-12-18 09:07:09,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805637795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:09,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:09,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 09:07:09,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994817933] [2021-12-18 09:07:09,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:09,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-18 09:07:09,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:09,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-18 09:07:09,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 09:07:09,809 INFO L87 Difference]: Start difference. First operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 09:07:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:09,945 INFO L93 Difference]: Finished difference Result 3123 states and 4356 transitions. [2021-12-18 09:07:09,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 09:07:09,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 447 [2021-12-18 09:07:09,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:09,975 INFO L225 Difference]: With dead ends: 3123 [2021-12-18 09:07:09,975 INFO L226 Difference]: Without dead ends: 1537 [2021-12-18 09:07:09,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 09:07:09,996 INFO L933 BasicCegarLoop]: 2152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:09,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:07:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2021-12-18 09:07:10,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1537. [2021-12-18 09:07:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1089 states have (on average 1.3085399449035813) internal successors, (1425), 1113 states have internal predecessors, (1425), 343 states have call successors, (343), 105 states have call predecessors, (343), 104 states have return successors, (342), 339 states have call predecessors, (342), 342 states have call successors, (342) [2021-12-18 09:07:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2110 transitions. [2021-12-18 09:07:10,167 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2110 transitions. Word has length 447 [2021-12-18 09:07:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:10,169 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2110 transitions. [2021-12-18 09:07:10,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 09:07:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2110 transitions. [2021-12-18 09:07:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 09:07:10,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:10,184 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 09:07:10,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:10,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:10,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:10,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash -498973003, now seen corresponding path program 1 times [2021-12-18 09:07:10,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:10,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200136397] [2021-12-18 09:07:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:10,389 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:10,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:10,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:10,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 09:07:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:12,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 09:07:12,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 1949 trivial. 0 not checked. [2021-12-18 09:07:13,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:07:13,560 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:13,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200136397] [2021-12-18 09:07:13,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200136397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:13,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:13,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:07:13,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484835337] [2021-12-18 09:07:13,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:13,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:07:13,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:13,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:07:13,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:07:13,564 INFO L87 Difference]: Start difference. First operand 1537 states and 2110 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-18 09:07:14,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:14,036 INFO L93 Difference]: Finished difference Result 3044 states and 4187 transitions. [2021-12-18 09:07:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:07:14,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 447 [2021-12-18 09:07:14,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:14,048 INFO L225 Difference]: With dead ends: 3044 [2021-12-18 09:07:14,049 INFO L226 Difference]: Without dead ends: 1538 [2021-12-18 09:07:14,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:07:14,057 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 6 mSDsluCounter, 8366 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10464 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:14,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 10464 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 09:07:14,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2021-12-18 09:07:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1538. [2021-12-18 09:07:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1090 states have (on average 1.308256880733945) internal successors, (1426), 1114 states have internal predecessors, (1426), 343 states have call successors, (343), 105 states have call predecessors, (343), 104 states have return successors, (342), 339 states have call predecessors, (342), 342 states have call successors, (342) [2021-12-18 09:07:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2111 transitions. [2021-12-18 09:07:14,113 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2111 transitions. Word has length 447 [2021-12-18 09:07:14,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:14,114 INFO L470 AbstractCegarLoop]: Abstraction has 1538 states and 2111 transitions. [2021-12-18 09:07:14,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-18 09:07:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2111 transitions. [2021-12-18 09:07:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-18 09:07:14,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:14,125 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 09:07:14,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-18 09:07:14,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:14,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash 796433049, now seen corresponding path program 1 times [2021-12-18 09:07:14,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:14,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960269598] [2021-12-18 09:07:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:14,355 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:14,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:14,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:14,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 09:07:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:16,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 09:07:16,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2138 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 2041 trivial. 0 not checked. [2021-12-18 09:07:17,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:07:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2138 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2057 trivial. 0 not checked. [2021-12-18 09:07:18,812 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:18,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960269598] [2021-12-18 09:07:18,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960269598] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:07:18,813 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:07:18,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-18 09:07:18,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786958677] [2021-12-18 09:07:18,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:07:18,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 09:07:18,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:18,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 09:07:18,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:07:18,815 INFO L87 Difference]: Start difference. First operand 1538 states and 2111 transitions. Second operand has 11 states, 9 states have (on average 15.555555555555555) internal successors, (140), 11 states have internal predecessors, (140), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-12-18 09:07:19,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:19,629 INFO L93 Difference]: Finished difference Result 3051 states and 4195 transitions. [2021-12-18 09:07:19,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:07:19,631 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 15.555555555555555) internal successors, (140), 11 states have internal predecessors, (140), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 456 [2021-12-18 09:07:19,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:19,642 INFO L225 Difference]: With dead ends: 3051 [2021-12-18 09:07:19,643 INFO L226 Difference]: Without dead ends: 1544 [2021-12-18 09:07:19,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 901 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:07:19,656 INFO L933 BasicCegarLoop]: 2099 mSDtfsCounter, 8 mSDsluCounter, 12555 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14654 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:19,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 14654 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 09:07:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2021-12-18 09:07:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2021-12-18 09:07:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1094 states have (on average 1.3071297989031079) internal successors, (1430), 1118 states have internal predecessors, (1430), 344 states have call successors, (344), 106 states have call predecessors, (344), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-18 09:07:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2117 transitions. [2021-12-18 09:07:19,721 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2117 transitions. Word has length 456 [2021-12-18 09:07:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:19,723 INFO L470 AbstractCegarLoop]: Abstraction has 1544 states and 2117 transitions. [2021-12-18 09:07:19,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 15.555555555555555) internal successors, (140), 11 states have internal predecessors, (140), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2021-12-18 09:07:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2117 transitions. [2021-12-18 09:07:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-12-18 09:07:19,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:19,732 INFO L514 BasicCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-12-18 09:07:19,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:19,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:19,955 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:19,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:19,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1888440629, now seen corresponding path program 2 times [2021-12-18 09:07:19,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:19,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294548759] [2021-12-18 09:07:19,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:07:19,959 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:19,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:19,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:19,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 09:07:21,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:07:21,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:07:21,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 09:07:21,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2336 trivial. 0 not checked. [2021-12-18 09:07:21,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:07:21,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:21,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294548759] [2021-12-18 09:07:21,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294548759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:21,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:21,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:07:21,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953833767] [2021-12-18 09:07:21,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:21,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:07:21,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:21,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:07:21,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:07:21,793 INFO L87 Difference]: Start difference. First operand 1544 states and 2117 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2021-12-18 09:07:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:21,916 INFO L93 Difference]: Finished difference Result 1573 states and 2159 transitions. [2021-12-18 09:07:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:07:21,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 465 [2021-12-18 09:07:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:21,929 INFO L225 Difference]: With dead ends: 1573 [2021-12-18 09:07:21,930 INFO L226 Difference]: Without dead ends: 1570 [2021-12-18 09:07:21,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:07:21,933 INFO L933 BasicCegarLoop]: 2146 mSDtfsCounter, 59 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 8502 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:21,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 8502 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:07:21,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2021-12-18 09:07:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1548. [2021-12-18 09:07:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 1097 states have (on average 1.3062898814949864) internal successors, (1433), 1121 states have internal predecessors, (1433), 344 states have call successors, (344), 107 states have call predecessors, (344), 106 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-18 09:07:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 2120 transitions. [2021-12-18 09:07:21,989 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 2120 transitions. Word has length 465 [2021-12-18 09:07:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:21,991 INFO L470 AbstractCegarLoop]: Abstraction has 1548 states and 2120 transitions. [2021-12-18 09:07:21,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2021-12-18 09:07:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2120 transitions. [2021-12-18 09:07:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-12-18 09:07:21,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:21,999 INFO L514 BasicCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:07:22,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:22,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:22,216 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1959152789, now seen corresponding path program 1 times [2021-12-18 09:07:22,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:22,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776636206] [2021-12-18 09:07:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:22,219 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:22,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:22,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 09:07:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:24,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 09:07:24,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2021-12-18 09:07:25,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:07:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2319 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-12-18 09:07:27,281 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:27,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776636206] [2021-12-18 09:07:27,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776636206] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:07:27,281 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:07:27,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-18 09:07:27,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500706716] [2021-12-18 09:07:27,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:07:27,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 09:07:27,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:27,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 09:07:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-18 09:07:27,283 INFO L87 Difference]: Start difference. First operand 1548 states and 2120 transitions. Second operand has 13 states, 11 states have (on average 13.454545454545455) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-12-18 09:07:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:28,078 INFO L93 Difference]: Finished difference Result 3069 states and 4210 transitions. [2021-12-18 09:07:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 09:07:28,080 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 13.454545454545455) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 458 [2021-12-18 09:07:28,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:28,090 INFO L225 Difference]: With dead ends: 3069 [2021-12-18 09:07:28,090 INFO L226 Difference]: Without dead ends: 1549 [2021-12-18 09:07:28,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 917 GetRequests, 903 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-18 09:07:28,098 INFO L933 BasicCegarLoop]: 2099 mSDtfsCounter, 15 mSDsluCounter, 12570 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 14669 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:28,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 14669 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 09:07:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2021-12-18 09:07:28,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1549. [2021-12-18 09:07:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1098 states have (on average 1.3060109289617485) internal successors, (1434), 1122 states have internal predecessors, (1434), 344 states have call successors, (344), 107 states have call predecessors, (344), 106 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-12-18 09:07:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2121 transitions. [2021-12-18 09:07:28,152 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2121 transitions. Word has length 458 [2021-12-18 09:07:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:28,152 INFO L470 AbstractCegarLoop]: Abstraction has 1549 states and 2121 transitions. [2021-12-18 09:07:28,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 13.454545454545455) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-12-18 09:07:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2121 transitions. [2021-12-18 09:07:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-12-18 09:07:28,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:28,159 INFO L514 BasicCegarLoop]: trace histogram [27, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:07:28,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:28,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:28,380 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1611442937, now seen corresponding path program 2 times [2021-12-18 09:07:28,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:28,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476982515] [2021-12-18 09:07:28,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:07:28,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:28,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:28,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:28,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 09:07:29,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:07:29,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:07:29,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:07:29,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:30,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2598 trivial. 0 not checked. [2021-12-18 09:07:30,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:07:30,379 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:30,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476982515] [2021-12-18 09:07:30,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476982515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:30,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:30,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:07:30,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634837188] [2021-12-18 09:07:30,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:30,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:07:30,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:30,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:07:30,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:07:30,381 INFO L87 Difference]: Start difference. First operand 1549 states and 2121 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 09:07:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:30,700 INFO L93 Difference]: Finished difference Result 3909 states and 5335 transitions. [2021-12-18 09:07:30,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:07:30,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 467 [2021-12-18 09:07:30,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:30,713 INFO L225 Difference]: With dead ends: 3909 [2021-12-18 09:07:30,714 INFO L226 Difference]: Without dead ends: 2424 [2021-12-18 09:07:30,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:07:30,721 INFO L933 BasicCegarLoop]: 2277 mSDtfsCounter, 1250 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4276 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:30,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1250 Valid, 4276 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 09:07:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2021-12-18 09:07:30,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2419. [2021-12-18 09:07:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2419 states, 1730 states have (on average 1.3150289017341041) internal successors, (2275), 1764 states have internal predecessors, (2275), 512 states have call successors, (512), 177 states have call predecessors, (512), 176 states have return successors, (511), 504 states have call predecessors, (511), 511 states have call successors, (511) [2021-12-18 09:07:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3298 transitions. [2021-12-18 09:07:30,806 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3298 transitions. Word has length 467 [2021-12-18 09:07:30,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:30,808 INFO L470 AbstractCegarLoop]: Abstraction has 2419 states and 3298 transitions. [2021-12-18 09:07:30,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 09:07:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3298 transitions. [2021-12-18 09:07:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2021-12-18 09:07:30,814 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:30,814 INFO L514 BasicCegarLoop]: trace histogram [27, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:07:30,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:31,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:31,036 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:31,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:31,036 INFO L85 PathProgramCache]: Analyzing trace with hash -758597085, now seen corresponding path program 1 times [2021-12-18 09:07:31,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202422472] [2021-12-18 09:07:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:31,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:31,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:31,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 09:07:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:33,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 09:07:33,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 192 proven. 6 refuted. 0 times theorem prover too weak. 2425 trivial. 0 not checked. [2021-12-18 09:07:34,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:07:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 2 proven. 182 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2021-12-18 09:07:36,099 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:36,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202422472] [2021-12-18 09:07:36,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202422472] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:07:36,099 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:07:36,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-18 09:07:36,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257365219] [2021-12-18 09:07:36,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:07:36,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 09:07:36,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:36,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 09:07:36,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-18 09:07:36,102 INFO L87 Difference]: Start difference. First operand 2419 states and 3298 transitions. Second operand has 15 states, 13 states have (on average 12.23076923076923) internal successors, (159), 15 states have internal predecessors, (159), 4 states have call successors, (70), 2 states have call predecessors, (70), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2021-12-18 09:07:36,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:36,991 INFO L93 Difference]: Finished difference Result 4814 states and 6569 transitions. [2021-12-18 09:07:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:07:36,993 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 12.23076923076923) internal successors, (159), 15 states have internal predecessors, (159), 4 states have call successors, (70), 2 states have call predecessors, (70), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 492 [2021-12-18 09:07:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:37,007 INFO L225 Difference]: With dead ends: 4814 [2021-12-18 09:07:37,008 INFO L226 Difference]: Without dead ends: 2421 [2021-12-18 09:07:37,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 985 GetRequests, 969 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-12-18 09:07:37,019 INFO L933 BasicCegarLoop]: 2099 mSDtfsCounter, 16 mSDsluCounter, 12568 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 14667 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:37,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 14667 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 09:07:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2021-12-18 09:07:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2421. [2021-12-18 09:07:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 1732 states have (on average 1.3146651270207852) internal successors, (2277), 1766 states have internal predecessors, (2277), 512 states have call successors, (512), 177 states have call predecessors, (512), 176 states have return successors, (511), 504 states have call predecessors, (511), 511 states have call successors, (511) [2021-12-18 09:07:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 3300 transitions. [2021-12-18 09:07:37,100 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 3300 transitions. Word has length 492 [2021-12-18 09:07:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:37,100 INFO L470 AbstractCegarLoop]: Abstraction has 2421 states and 3300 transitions. [2021-12-18 09:07:37,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 12.23076923076923) internal successors, (159), 15 states have internal predecessors, (159), 4 states have call successors, (70), 2 states have call predecessors, (70), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2021-12-18 09:07:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 3300 transitions. [2021-12-18 09:07:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2021-12-18 09:07:37,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:37,107 INFO L514 BasicCegarLoop]: trace histogram [36, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:07:37,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:37,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:37,332 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 644406975, now seen corresponding path program 2 times [2021-12-18 09:07:37,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:37,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688295319] [2021-12-18 09:07:37,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:07:37,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:37,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:37,335 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:37,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 09:07:38,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:07:38,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:07:38,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:07:38,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2021-12-18 09:07:39,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:07:39,150 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:39,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688295319] [2021-12-18 09:07:39,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688295319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:39,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:39,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:07:39,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566609883] [2021-12-18 09:07:39,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:39,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:07:39,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:39,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:07:39,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:07:39,155 INFO L87 Difference]: Start difference. First operand 2421 states and 3300 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-18 09:07:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:39,674 INFO L93 Difference]: Finished difference Result 5997 states and 8157 transitions. [2021-12-18 09:07:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:07:39,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 501 [2021-12-18 09:07:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:39,695 INFO L225 Difference]: With dead ends: 5997 [2021-12-18 09:07:39,695 INFO L226 Difference]: Without dead ends: 3648 [2021-12-18 09:07:39,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:07:39,706 INFO L933 BasicCegarLoop]: 2572 mSDtfsCounter, 1503 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:39,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1503 Valid, 4487 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 09:07:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-12-18 09:07:39,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3632. [2021-12-18 09:07:39,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3632 states, 2618 states have (on average 1.3181818181818181) internal successors, (3451), 2682 states have internal predecessors, (3451), 743 states have call successors, (743), 273 states have call predecessors, (743), 270 states have return successors, (742), 722 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-18 09:07:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3632 states and 4936 transitions. [2021-12-18 09:07:39,837 INFO L78 Accepts]: Start accepts. Automaton has 3632 states and 4936 transitions. Word has length 501 [2021-12-18 09:07:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:39,838 INFO L470 AbstractCegarLoop]: Abstraction has 3632 states and 4936 transitions. [2021-12-18 09:07:39,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-18 09:07:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4936 transitions. [2021-12-18 09:07:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2021-12-18 09:07:39,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:39,846 INFO L514 BasicCegarLoop]: trace histogram [36, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:07:39,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:40,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:40,068 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:40,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:40,068 INFO L85 PathProgramCache]: Analyzing trace with hash -472437293, now seen corresponding path program 1 times [2021-12-18 09:07:40,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:40,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852876211] [2021-12-18 09:07:40,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:40,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:40,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:40,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:40,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 09:07:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:43,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 3331 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 09:07:43,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4517 backedges. 2097 proven. 10 refuted. 0 times theorem prover too weak. 2410 trivial. 0 not checked. [2021-12-18 09:07:44,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:07:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4517 backedges. 93 proven. 165 refuted. 0 times theorem prover too weak. 4259 trivial. 0 not checked. [2021-12-18 09:07:47,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:47,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852876211] [2021-12-18 09:07:47,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852876211] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:07:47,086 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:07:47,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-12-18 09:07:47,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019142479] [2021-12-18 09:07:47,086 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:07:47,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 09:07:47,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:47,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 09:07:47,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-12-18 09:07:47,088 INFO L87 Difference]: Start difference. First operand 3632 states and 4936 transitions. Second operand has 17 states, 15 states have (on average 12.2) internal successors, (183), 17 states have internal predecessors, (183), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:07:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:48,508 INFO L93 Difference]: Finished difference Result 7246 states and 9858 transitions. [2021-12-18 09:07:48,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 09:07:48,510 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 12.2) internal successors, (183), 17 states have internal predecessors, (183), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 592 [2021-12-18 09:07:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:48,531 INFO L225 Difference]: With dead ends: 7246 [2021-12-18 09:07:48,531 INFO L226 Difference]: Without dead ends: 3643 [2021-12-18 09:07:48,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1167 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2021-12-18 09:07:48,551 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 17 mSDsluCounter, 20941 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 23039 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:48,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 23039 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 09:07:48,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2021-12-18 09:07:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 3643. [2021-12-18 09:07:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3643 states, 2628 states have (on average 1.317351598173516) internal successors, (3462), 2692 states have internal predecessors, (3462), 743 states have call successors, (743), 274 states have call predecessors, (743), 271 states have return successors, (742), 722 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-18 09:07:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4947 transitions. [2021-12-18 09:07:48,683 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4947 transitions. Word has length 592 [2021-12-18 09:07:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:48,683 INFO L470 AbstractCegarLoop]: Abstraction has 3643 states and 4947 transitions. [2021-12-18 09:07:48,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 12.2) internal successors, (183), 17 states have internal predecessors, (183), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:07:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4947 transitions. [2021-12-18 09:07:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-12-18 09:07:48,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:48,694 INFO L514 BasicCegarLoop]: trace histogram [41, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:07:48,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:48,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:48,916 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:48,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:48,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1770230432, now seen corresponding path program 1 times [2021-12-18 09:07:48,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:48,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883898281] [2021-12-18 09:07:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:48,918 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:48,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:48,919 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:48,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 09:07:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:52,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 09:07:52,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:07:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 2221 proven. 15 refuted. 0 times theorem prover too weak. 2516 trivial. 0 not checked. [2021-12-18 09:07:53,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:07:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 108 proven. 219 refuted. 0 times theorem prover too weak. 4425 trivial. 0 not checked. [2021-12-18 09:07:56,102 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:07:56,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883898281] [2021-12-18 09:07:56,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883898281] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:07:56,102 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:07:56,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-12-18 09:07:56,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969285575] [2021-12-18 09:07:56,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:07:56,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-18 09:07:56,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:07:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-18 09:07:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-12-18 09:07:56,104 INFO L87 Difference]: Start difference. First operand 3643 states and 4947 transitions. Second operand has 19 states, 17 states have (on average 10.941176470588236) internal successors, (186), 19 states have internal predecessors, (186), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:07:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:57,591 INFO L93 Difference]: Finished difference Result 7256 states and 9859 transitions. [2021-12-18 09:07:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 09:07:57,592 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 10.941176470588236) internal successors, (186), 19 states have internal predecessors, (186), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 598 [2021-12-18 09:07:57,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:57,611 INFO L225 Difference]: With dead ends: 7256 [2021-12-18 09:07:57,612 INFO L226 Difference]: Without dead ends: 3646 [2021-12-18 09:07:57,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1201 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2021-12-18 09:07:57,625 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 37 mSDsluCounter, 20948 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 23046 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:57,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 23046 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 09:07:57,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2021-12-18 09:07:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3646. [2021-12-18 09:07:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3646 states, 2631 states have (on average 1.3169897377423032) internal successors, (3465), 2695 states have internal predecessors, (3465), 743 states have call successors, (743), 274 states have call predecessors, (743), 271 states have return successors, (742), 722 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-18 09:07:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4950 transitions. [2021-12-18 09:07:57,748 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4950 transitions. Word has length 598 [2021-12-18 09:07:57,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:57,748 INFO L470 AbstractCegarLoop]: Abstraction has 3646 states and 4950 transitions. [2021-12-18 09:07:57,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 10.941176470588236) internal successors, (186), 19 states have internal predecessors, (186), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:07:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4950 transitions. [2021-12-18 09:07:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-12-18 09:07:57,756 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:57,756 INFO L514 BasicCegarLoop]: trace histogram [46, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:07:57,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 09:07:57,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:07:57,980 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 676986195, now seen corresponding path program 2 times [2021-12-18 09:07:57,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:07:57,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897419364] [2021-12-18 09:07:57,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:07:57,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:07:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:07:57,984 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:07:57,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 09:07:59,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:07:59,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:07:59,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 09:07:59,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5012 trivial. 0 not checked. [2021-12-18 09:08:00,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:00,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:00,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897419364] [2021-12-18 09:08:00,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897419364] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:00,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:00,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:08:00,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476086238] [2021-12-18 09:08:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:00,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:08:00,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:00,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:08:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:00,290 INFO L87 Difference]: Start difference. First operand 3646 states and 4950 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:08:00,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:00,467 INFO L93 Difference]: Finished difference Result 7236 states and 9839 transitions. [2021-12-18 09:08:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:08:00,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 602 [2021-12-18 09:08:00,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:00,486 INFO L225 Difference]: With dead ends: 7236 [2021-12-18 09:08:00,487 INFO L226 Difference]: Without dead ends: 3672 [2021-12-18 09:08:00,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:00,500 INFO L933 BasicCegarLoop]: 2102 mSDtfsCounter, 232 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:00,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 3897 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 09:08:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2021-12-18 09:08:00,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3666. [2021-12-18 09:08:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3666 states, 2651 states have (on average 1.3145982648057337) internal successors, (3485), 2715 states have internal predecessors, (3485), 743 states have call successors, (743), 274 states have call predecessors, (743), 271 states have return successors, (742), 722 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-18 09:08:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 4970 transitions. [2021-12-18 09:08:00,615 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 4970 transitions. Word has length 602 [2021-12-18 09:08:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:00,616 INFO L470 AbstractCegarLoop]: Abstraction has 3666 states and 4970 transitions. [2021-12-18 09:08:00,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:08:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 4970 transitions. [2021-12-18 09:08:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-12-18 09:08:00,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:00,623 INFO L514 BasicCegarLoop]: trace histogram [46, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:00,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:00,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:00,844 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:00,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:00,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1789924094, now seen corresponding path program 1 times [2021-12-18 09:08:00,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:00,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702553029] [2021-12-18 09:08:00,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:00,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:00,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:00,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:00,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 09:08:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-18 09:08:04,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:05,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5012 backedges. 2353 proven. 21 refuted. 0 times theorem prover too weak. 2638 trivial. 0 not checked. [2021-12-18 09:08:05,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:08:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5012 backedges. 123 proven. 282 refuted. 0 times theorem prover too weak. 4607 trivial. 0 not checked. [2021-12-18 09:08:08,465 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:08,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702553029] [2021-12-18 09:08:08,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702553029] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:08:08,466 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:08:08,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-12-18 09:08:08,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335259576] [2021-12-18 09:08:08,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:08:08,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-18 09:08:08,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:08,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-18 09:08:08,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2021-12-18 09:08:08,468 INFO L87 Difference]: Start difference. First operand 3666 states and 4970 transitions. Second operand has 21 states, 19 states have (on average 9.894736842105264) internal successors, (188), 21 states have internal predecessors, (188), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:08:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:10,351 INFO L93 Difference]: Finished difference Result 7302 states and 9905 transitions. [2021-12-18 09:08:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 09:08:10,352 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 9.894736842105264) internal successors, (188), 21 states have internal predecessors, (188), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 603 [2021-12-18 09:08:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:10,369 INFO L225 Difference]: With dead ends: 7302 [2021-12-18 09:08:10,370 INFO L226 Difference]: Without dead ends: 3669 [2021-12-18 09:08:10,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1211 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2021-12-18 09:08:10,384 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 28 mSDsluCounter, 33498 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 35596 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:10,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 35596 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-18 09:08:10,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3669 states. [2021-12-18 09:08:10,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3669 to 3669. [2021-12-18 09:08:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3669 states, 2654 states have (on average 1.3142426525998492) internal successors, (3488), 2718 states have internal predecessors, (3488), 743 states have call successors, (743), 274 states have call predecessors, (743), 271 states have return successors, (742), 722 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-18 09:08:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 4973 transitions. [2021-12-18 09:08:10,485 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 4973 transitions. Word has length 603 [2021-12-18 09:08:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:10,486 INFO L470 AbstractCegarLoop]: Abstraction has 3669 states and 4973 transitions. [2021-12-18 09:08:10,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 9.894736842105264) internal successors, (188), 21 states have internal predecessors, (188), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:08:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 4973 transitions. [2021-12-18 09:08:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-12-18 09:08:10,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:10,493 INFO L514 BasicCegarLoop]: trace histogram [51, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:10,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:10,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:10,710 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:10,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:10,711 INFO L85 PathProgramCache]: Analyzing trace with hash 360470298, now seen corresponding path program 2 times [2021-12-18 09:08:10,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:10,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63795168] [2021-12-18 09:08:10,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:08:10,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:10,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:10,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:10,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 09:08:12,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:08:12,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:08:12,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 09:08:12,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5297 trivial. 0 not checked. [2021-12-18 09:08:15,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:15,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:15,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63795168] [2021-12-18 09:08:15,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63795168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:15,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:15,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:08:15,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37617076] [2021-12-18 09:08:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:15,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:08:15,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:15,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:08:15,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:08:15,463 INFO L87 Difference]: Start difference. First operand 3669 states and 4973 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:08:17,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:08:18,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:18,493 INFO L93 Difference]: Finished difference Result 10849 states and 14723 transitions. [2021-12-18 09:08:18,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 09:08:18,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 608 [2021-12-18 09:08:18,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:18,527 INFO L225 Difference]: With dead ends: 10849 [2021-12-18 09:08:18,528 INFO L226 Difference]: Without dead ends: 7263 [2021-12-18 09:08:18,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:08:18,546 INFO L933 BasicCegarLoop]: 3857 mSDtfsCounter, 2077 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 9521 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:18,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2077 Valid, 9521 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 09:08:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2021-12-18 09:08:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 7236. [2021-12-18 09:08:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7236 states, 5239 states have (on average 1.317617866004963) internal successors, (6903), 5367 states have internal predecessors, (6903), 1458 states have call successors, (1458), 543 states have call predecessors, (1458), 538 states have return successors, (1457), 1417 states have call predecessors, (1457), 1457 states have call successors, (1457) [2021-12-18 09:08:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 9818 transitions. [2021-12-18 09:08:18,778 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 9818 transitions. Word has length 608 [2021-12-18 09:08:18,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:18,779 INFO L470 AbstractCegarLoop]: Abstraction has 7236 states and 9818 transitions. [2021-12-18 09:08:18,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:08:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 9818 transitions. [2021-12-18 09:08:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-12-18 09:08:18,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:18,789 INFO L514 BasicCegarLoop]: trace histogram [51, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:18,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:19,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:19,004 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1020001820, now seen corresponding path program 1 times [2021-12-18 09:08:19,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:19,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686132095] [2021-12-18 09:08:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:19,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:19,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:19,007 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:19,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 09:08:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:22,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 09:08:22,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5297 backedges. 2493 proven. 28 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2021-12-18 09:08:23,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 09:08:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5297 backedges. 138 proven. 354 refuted. 0 times theorem prover too weak. 4805 trivial. 0 not checked. [2021-12-18 09:08:26,992 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:26,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686132095] [2021-12-18 09:08:26,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686132095] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 09:08:26,992 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 09:08:26,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-12-18 09:08:26,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299579574] [2021-12-18 09:08:26,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 09:08:26,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-18 09:08:26,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:26,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-18 09:08:26,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2021-12-18 09:08:26,994 INFO L87 Difference]: Start difference. First operand 7236 states and 9818 transitions. Second operand has 23 states, 21 states have (on average 9.047619047619047) internal successors, (190), 23 states have internal predecessors, (190), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:08:28,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:28,826 INFO L93 Difference]: Finished difference Result 14448 states and 19617 transitions. [2021-12-18 09:08:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 09:08:28,828 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 9.047619047619047) internal successors, (190), 23 states have internal predecessors, (190), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 608 [2021-12-18 09:08:28,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:28,855 INFO L225 Difference]: With dead ends: 14448 [2021-12-18 09:08:28,855 INFO L226 Difference]: Without dead ends: 7241 [2021-12-18 09:08:28,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1221 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2021-12-18 09:08:28,874 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 39 mSDsluCounter, 25131 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 27229 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:28,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 27229 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-18 09:08:28,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7241 states. [2021-12-18 09:08:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7241 to 7241. [2021-12-18 09:08:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7241 states, 5244 states have (on average 1.3173150266971778) internal successors, (6908), 5372 states have internal predecessors, (6908), 1458 states have call successors, (1458), 543 states have call predecessors, (1458), 538 states have return successors, (1457), 1417 states have call predecessors, (1457), 1457 states have call successors, (1457) [2021-12-18 09:08:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7241 states to 7241 states and 9823 transitions. [2021-12-18 09:08:29,081 INFO L78 Accepts]: Start accepts. Automaton has 7241 states and 9823 transitions. Word has length 608 [2021-12-18 09:08:29,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:29,082 INFO L470 AbstractCegarLoop]: Abstraction has 7241 states and 9823 transitions. [2021-12-18 09:08:29,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 9.047619047619047) internal successors, (190), 23 states have internal predecessors, (190), 4 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2021-12-18 09:08:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 7241 states and 9823 transitions. [2021-12-18 09:08:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2021-12-18 09:08:29,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:29,093 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:29,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:29,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:29,320 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1474397568, now seen corresponding path program 2 times [2021-12-18 09:08:29,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:29,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382911720] [2021-12-18 09:08:29,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 09:08:29,322 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:29,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:29,323 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:29,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-18 09:08:30,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 09:08:30,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 09:08:31,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-18 09:08:31,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5607 trivial. 0 not checked. [2021-12-18 09:08:32,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:32,518 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:32,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382911720] [2021-12-18 09:08:32,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382911720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:32,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:32,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 09:08:32,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011908794] [2021-12-18 09:08:32,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:32,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 09:08:32,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 09:08:32,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:08:32,520 INFO L87 Difference]: Start difference. First operand 7241 states and 9823 transitions. Second operand has 12 states, 10 states have (on average 13.2) internal successors, (132), 9 states have internal predecessors, (132), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2021-12-18 09:08:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:33,847 INFO L93 Difference]: Finished difference Result 16074 states and 22135 transitions. [2021-12-18 09:08:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:08:33,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 13.2) internal successors, (132), 9 states have internal predecessors, (132), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) Word has length 613 [2021-12-18 09:08:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:33,886 INFO L225 Difference]: With dead ends: 16074 [2021-12-18 09:08:33,887 INFO L226 Difference]: Without dead ends: 8917 [2021-12-18 09:08:33,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-12-18 09:08:33,913 INFO L933 BasicCegarLoop]: 2228 mSDtfsCounter, 809 mSDsluCounter, 22160 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 24388 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:33,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [870 Valid, 24388 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 09:08:33,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8917 states. [2021-12-18 09:08:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8917 to 7269. [2021-12-18 09:08:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7269 states, 5264 states have (on average 1.3161094224924013) internal successors, (6928), 5392 states have internal predecessors, (6928), 1462 states have call successors, (1462), 543 states have call predecessors, (1462), 542 states have return successors, (1487), 1425 states have call predecessors, (1487), 1461 states have call successors, (1487) [2021-12-18 09:08:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 9877 transitions. [2021-12-18 09:08:34,169 INFO L78 Accepts]: Start accepts. Automaton has 7269 states and 9877 transitions. Word has length 613 [2021-12-18 09:08:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:34,171 INFO L470 AbstractCegarLoop]: Abstraction has 7269 states and 9877 transitions. [2021-12-18 09:08:34,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 13.2) internal successors, (132), 9 states have internal predecessors, (132), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2021-12-18 09:08:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states and 9877 transitions. [2021-12-18 09:08:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-12-18 09:08:34,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:34,182 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:34,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:34,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:34,404 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:34,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash -696340907, now seen corresponding path program 1 times [2021-12-18 09:08:34,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:34,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995348956] [2021-12-18 09:08:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:34,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:34,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:34,408 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:34,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-18 09:08:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:40,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 3549 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 09:08:40,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5607 backedges. 1349 proven. 0 refuted. 0 times theorem prover too weak. 4258 trivial. 0 not checked. [2021-12-18 09:08:41,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:41,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:41,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995348956] [2021-12-18 09:08:41,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995348956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:41,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:41,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:08:41,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645620919] [2021-12-18 09:08:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:41,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:08:41,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:41,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:08:41,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:08:41,419 INFO L87 Difference]: Start difference. First operand 7269 states and 9877 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:08:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:42,132 INFO L93 Difference]: Finished difference Result 11046 states and 15016 transitions. [2021-12-18 09:08:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 09:08:42,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 614 [2021-12-18 09:08:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:42,147 INFO L225 Difference]: With dead ends: 11046 [2021-12-18 09:08:42,147 INFO L226 Difference]: Without dead ends: 3846 [2021-12-18 09:08:42,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:08:42,166 INFO L933 BasicCegarLoop]: 2108 mSDtfsCounter, 3 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6318 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:42,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 6318 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 09:08:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2021-12-18 09:08:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3700. [2021-12-18 09:08:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 2676 states have (on average 1.3086696562032885) internal successors, (3502), 2740 states have internal predecessors, (3502), 747 states have call successors, (747), 277 states have call predecessors, (747), 276 states have return successors, (759), 728 states have call predecessors, (759), 746 states have call successors, (759) [2021-12-18 09:08:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5008 transitions. [2021-12-18 09:08:42,275 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5008 transitions. Word has length 614 [2021-12-18 09:08:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:42,276 INFO L470 AbstractCegarLoop]: Abstraction has 3700 states and 5008 transitions. [2021-12-18 09:08:42,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:08:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5008 transitions. [2021-12-18 09:08:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-12-18 09:08:42,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:42,283 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:42,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:42,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:42,504 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1850672469, now seen corresponding path program 1 times [2021-12-18 09:08:42,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:42,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335027501] [2021-12-18 09:08:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:42,508 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:42,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:42,509 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:42,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-18 09:08:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:48,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:08:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5607 backedges. 1349 proven. 0 refuted. 0 times theorem prover too weak. 4258 trivial. 0 not checked. [2021-12-18 09:08:49,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:49,511 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:49,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335027501] [2021-12-18 09:08:49,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335027501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:49,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:49,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:08:49,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500084192] [2021-12-18 09:08:49,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:49,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:08:49,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:49,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:08:49,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:49,514 INFO L87 Difference]: Start difference. First operand 3700 states and 5008 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:08:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:49,600 INFO L93 Difference]: Finished difference Result 7306 states and 9898 transitions. [2021-12-18 09:08:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:08:49,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 619 [2021-12-18 09:08:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:49,614 INFO L225 Difference]: With dead ends: 7306 [2021-12-18 09:08:49,614 INFO L226 Difference]: Without dead ends: 3700 [2021-12-18 09:08:49,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:49,625 INFO L933 BasicCegarLoop]: 2108 mSDtfsCounter, 0 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:49,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 4212 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:08:49,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2021-12-18 09:08:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3700. [2021-12-18 09:08:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 2676 states have (on average 1.3071748878923768) internal successors, (3498), 2740 states have internal predecessors, (3498), 747 states have call successors, (747), 277 states have call predecessors, (747), 276 states have return successors, (759), 728 states have call predecessors, (759), 746 states have call successors, (759) [2021-12-18 09:08:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5004 transitions. [2021-12-18 09:08:49,725 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5004 transitions. Word has length 619 [2021-12-18 09:08:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:49,726 INFO L470 AbstractCegarLoop]: Abstraction has 3700 states and 5004 transitions. [2021-12-18 09:08:49,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 09:08:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5004 transitions. [2021-12-18 09:08:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-18 09:08:49,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:49,733 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:08:49,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:49,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:49,948 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:49,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:49,948 INFO L85 PathProgramCache]: Analyzing trace with hash 224269777, now seen corresponding path program 1 times [2021-12-18 09:08:49,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:49,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208912037] [2021-12-18 09:08:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:49,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:49,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:49,953 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:49,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-18 09:08:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:56,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 3587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:08:56,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:08:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5607 backedges. 1013 proven. 0 refuted. 0 times theorem prover too weak. 4594 trivial. 0 not checked. [2021-12-18 09:08:57,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:08:57,318 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:08:57,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208912037] [2021-12-18 09:08:57,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208912037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:57,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:57,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:08:57,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931196263] [2021-12-18 09:08:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:57,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:08:57,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:08:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:08:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:57,320 INFO L87 Difference]: Start difference. First operand 3700 states and 5004 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 09:08:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:58,343 INFO L93 Difference]: Finished difference Result 9644 states and 13042 transitions. [2021-12-18 09:08:58,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:08:58,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 621 [2021-12-18 09:08:58,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:08:58,366 INFO L225 Difference]: With dead ends: 9644 [2021-12-18 09:08:58,367 INFO L226 Difference]: Without dead ends: 6042 [2021-12-18 09:08:58,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:08:58,380 INFO L933 BasicCegarLoop]: 3194 mSDtfsCounter, 1926 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 5163 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:08:58,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 5163 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 09:08:58,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6042 states. [2021-12-18 09:08:58,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6042 to 6035. [2021-12-18 09:08:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6035 states, 4375 states have (on average 1.3044571428571428) internal successors, (5707), 4482 states have internal predecessors, (5707), 1204 states have call successors, (1204), 454 states have call predecessors, (1204), 455 states have return successors, (1225), 1179 states have call predecessors, (1225), 1203 states have call successors, (1225) [2021-12-18 09:08:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6035 states to 6035 states and 8136 transitions. [2021-12-18 09:08:58,552 INFO L78 Accepts]: Start accepts. Automaton has 6035 states and 8136 transitions. Word has length 621 [2021-12-18 09:08:58,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:58,553 INFO L470 AbstractCegarLoop]: Abstraction has 6035 states and 8136 transitions. [2021-12-18 09:08:58,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 09:08:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6035 states and 8136 transitions. [2021-12-18 09:08:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-12-18 09:08:58,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:58,561 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 09:08:58,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-12-18 09:08:58,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:08:58,776 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:58,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1377436819, now seen corresponding path program 1 times [2021-12-18 09:08:58,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:08:58,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949592809] [2021-12-18 09:08:58,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:58,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:08:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:08:58,779 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:08:58,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-18 09:09:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:09:06,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 3585 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:09:06,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:09:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5607 trivial. 0 not checked. [2021-12-18 09:09:06,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:09:06,690 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:09:06,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949592809] [2021-12-18 09:09:06,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949592809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:09:06,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:09:06,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 09:09:06,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481899718] [2021-12-18 09:09:06,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:09:06,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:09:06,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:09:06,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:09:06,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:09:06,692 INFO L87 Difference]: Start difference. First operand 6035 states and 8136 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:09:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:09:06,875 INFO L93 Difference]: Finished difference Result 12808 states and 17434 transitions. [2021-12-18 09:09:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:09:06,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 619 [2021-12-18 09:09:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:09:06,900 INFO L225 Difference]: With dead ends: 12808 [2021-12-18 09:09:06,901 INFO L226 Difference]: Without dead ends: 6871 [2021-12-18 09:09:06,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 09:09:06,918 INFO L933 BasicCegarLoop]: 2171 mSDtfsCounter, 197 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 4273 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:09:06,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 4273 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 09:09:06,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2021-12-18 09:09:07,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 6055. [2021-12-18 09:09:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6055 states, 4391 states have (on average 1.3042587109997723) internal successors, (5727), 4498 states have internal predecessors, (5727), 1208 states have call successors, (1208), 454 states have call predecessors, (1208), 455 states have return successors, (1229), 1183 states have call predecessors, (1229), 1207 states have call successors, (1229) [2021-12-18 09:09:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6055 states to 6055 states and 8164 transitions. [2021-12-18 09:09:07,200 INFO L78 Accepts]: Start accepts. Automaton has 6055 states and 8164 transitions. Word has length 619 [2021-12-18 09:09:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:09:07,201 INFO L470 AbstractCegarLoop]: Abstraction has 6055 states and 8164 transitions. [2021-12-18 09:09:07,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 09:09:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 6055 states and 8164 transitions. [2021-12-18 09:09:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2021-12-18 09:09:07,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:09:07,210 INFO L514 BasicCegarLoop]: trace histogram [56, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:09:07,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-12-18 09:09:07,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:09:07,422 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:09:07,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:09:07,423 INFO L85 PathProgramCache]: Analyzing trace with hash 426316005, now seen corresponding path program 1 times [2021-12-18 09:09:07,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:09:07,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868064974] [2021-12-18 09:09:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:09:07,425 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:09:07,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:09:07,426 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:09:07,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-18 09:09:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:09:14,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 3632 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-18 09:09:14,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:09:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5795 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2021-12-18 09:09:17,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:09:17,046 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 09:09:17,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868064974] [2021-12-18 09:09:17,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868064974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:09:17,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:09:17,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-18 09:09:17,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767730084] [2021-12-18 09:09:17,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:09:17,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 09:09:17,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 09:09:17,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 09:09:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2021-12-18 09:09:17,048 INFO L87 Difference]: Start difference. First operand 6055 states and 8164 transitions. Second operand has 17 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 6 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (44), 8 states have call predecessors, (44), 6 states have call successors, (44) [2021-12-18 09:09:18,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:09:18,892 INFO L93 Difference]: Finished difference Result 12022 states and 16228 transitions. [2021-12-18 09:09:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 09:09:18,893 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 6 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (44), 8 states have call predecessors, (44), 6 states have call successors, (44) Word has length 639 [2021-12-18 09:09:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:09:18,907 INFO L225 Difference]: With dead ends: 12022 [2021-12-18 09:09:18,907 INFO L226 Difference]: Without dead ends: 6065 [2021-12-18 09:09:18,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2021-12-18 09:09:18,919 INFO L933 BasicCegarLoop]: 2103 mSDtfsCounter, 612 mSDsluCounter, 26510 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 28613 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:09:18,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [615 Valid, 28613 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 09:09:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6065 states. [2021-12-18 09:09:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6065 to 6011. [2021-12-18 09:09:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6011 states, 4361 states have (on average 1.3054345333639075) internal successors, (5693), 4468 states have internal predecessors, (5693), 1200 states have call successors, (1200), 452 states have call predecessors, (1200), 449 states have return successors, (1199), 1171 states have call predecessors, (1199), 1199 states have call successors, (1199) [2021-12-18 09:09:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6011 states to 6011 states and 8092 transitions. [2021-12-18 09:09:19,100 INFO L78 Accepts]: Start accepts. Automaton has 6011 states and 8092 transitions. Word has length 639 [2021-12-18 09:09:19,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:09:19,101 INFO L470 AbstractCegarLoop]: Abstraction has 6011 states and 8092 transitions. [2021-12-18 09:09:19,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 10.923076923076923) internal successors, (142), 12 states have internal predecessors, (142), 6 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (44), 8 states have call predecessors, (44), 6 states have call successors, (44) [2021-12-18 09:09:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 6011 states and 8092 transitions. [2021-12-18 09:09:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-12-18 09:09:19,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:09:19,110 INFO L514 BasicCegarLoop]: trace histogram [56, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:09:19,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-12-18 09:09:19,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 09:09:19,324 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:09:19,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:09:19,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1652439825, now seen corresponding path program 1 times [2021-12-18 09:09:19,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 09:09:19,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744969101] [2021-12-18 09:09:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:09:19,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 09:09:19,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 09:09:19,328 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 09:09:19,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process Killed by 15