./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.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 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:08:36,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:08:36,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:08:36,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:08:36,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:08:36,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:08:36,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:08:36,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:08:36,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:08:36,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:08:36,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:08:36,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:08:36,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:08:36,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:08:36,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:08:36,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:08:36,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:08:36,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:08:36,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:08:36,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:08:36,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:08:36,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:08:36,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:08:36,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:08:36,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:08:36,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:08:36,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:08:36,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:08:36,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:08:36,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:08:36,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:08:36,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:08:36,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:08:36,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:08:36,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:08:36,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:08:36,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:08:36,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:08:36,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:08:36,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:08:36,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:08:36,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:08:36,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:08:36,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:08:36,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:08:36,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:08:36,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:08:36,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:08:36,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:08:36,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:08:36,865 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:08:36,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:08:36,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:08:36,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:08:36,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:08:36,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:08:36,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:08:36,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:08:36,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:08:36,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:08:36,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:08:36,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:08:36,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:08:36,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:08:36,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:08:36,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:08:36,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:08:36,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:08:36,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f4a9e8deb15b4814a8f35356cc754cf60b8f4e5ae2a0757193e7412afcca55 [2021-12-21 17:08:37,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:08:37,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:08:37,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:08:37,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:08:37,097 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:08:37,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-21 17:08:37,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171604886/6d7414ba263a4c4aa6b10a911ff05039/FLAG48a189f2b [2021-12-21 17:08:37,827 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:08:37,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-21 17:08:37,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171604886/6d7414ba263a4c4aa6b10a911ff05039/FLAG48a189f2b [2021-12-21 17:08:38,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171604886/6d7414ba263a4c4aa6b10a911ff05039 [2021-12-21 17:08:38,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:08:38,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:08:38,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:08:38,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:08:38,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:08:38,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:08:38" (1/1) ... [2021-12-21 17:08:38,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e536001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:38, skipping insertion in model container [2021-12-21 17:08:38,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:08:38" (1/1) ... [2021-12-21 17:08:38,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:08:38,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:08:40,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2021-12-21 17:08:40,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2021-12-21 17:08:40,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2021-12-21 17:08:40,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2021-12-21 17:08:41,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:08:41,036 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:08:41,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452690,452703] [2021-12-21 17:08:41,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452837,452850] [2021-12-21 17:08:41,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[452976,452989] [2021-12-21 17:08:41,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[453134,453147] [2021-12-21 17:08:41,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:08:41,577 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:08:41,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41 WrapperNode [2021-12-21 17:08:41,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:08:41,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:08:41,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:08:41,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:08:41,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:41,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:41,907 INFO L137 Inliner]: procedures = 543, calls = 3342, calls flagged for inlining = 312, calls inlined = 287, statements flattened = 8077 [2021-12-21 17:08:41,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:08:41,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:08:41,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:08:41,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:08:41,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:41,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:41,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:41,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:42,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:42,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:42,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:42,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:08:42,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:08:42,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:08:42,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:08:42,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (1/1) ... [2021-12-21 17:08:42,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:08:42,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:08:42,293 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) [2021-12-21 17:08:42,324 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 [2021-12-21 17:08:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-21 17:08:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-21 17:08:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:08:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:08:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:08:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:08:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-21 17:08:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-21 17:08:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:08:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:08:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:08:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:08:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-21 17:08:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-21 17:08:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-21 17:08:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-21 17:08:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-21 17:08:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-21 17:08:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:08:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:08:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:08:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:08:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:08:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:08:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-21 17:08:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-21 17:08:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:08:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:08:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-21 17:08:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-21 17:08:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2021-12-21 17:08:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2021-12-21 17:08:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:08:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:08:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-21 17:08:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-21 17:08:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-21 17:08:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-21 17:08:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:08:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:08:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:08:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:08:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:08:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:08:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:08:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:08:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-21 17:08:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-21 17:08:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:08:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:08:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 17:08:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 17:08:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-21 17:08:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-21 17:08:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:08:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:08:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:08:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-21 17:08:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-21 17:08:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 17:08:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 17:08:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 17:08:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 17:08:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:08:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:08:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:08:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-21 17:08:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-21 17:08:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:08:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:08:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:08:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:08:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:08:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-21 17:08:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-21 17:08:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:08:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:08:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:08:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-21 17:08:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-21 17:08:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:08:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:08:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-21 17:08:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-21 17:08:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-21 17:08:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-21 17:08:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:08:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:08:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-21 17:08:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-21 17:08:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:08:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:08:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2021-12-21 17:08:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2021-12-21 17:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:08:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:08:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-21 17:08:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-21 17:08:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-21 17:08:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-21 17:08:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:08:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:08:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 17:08:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 17:08:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:08:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:08:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-21 17:08:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-21 17:08:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-21 17:08:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-21 17:08:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:08:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:08:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:08:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:08:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:08:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:08:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:08:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 17:08:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 17:08:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-21 17:08:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-21 17:08:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:08:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2021-12-21 17:08:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2021-12-21 17:08:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:08:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:08:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:08:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:08:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:08:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:08:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:08:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 17:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 17:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2021-12-21 17:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2021-12-21 17:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-21 17:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-21 17:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-21 17:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-21 17:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:08:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-21 17:08:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-21 17:08:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 17:08:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 17:08:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:08:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:08:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-21 17:08:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-21 17:08:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:08:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:08:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:08:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:08:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-21 17:08:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-21 17:08:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-21 17:08:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-21 17:08:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:08:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:08:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:08:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:08:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-21 17:08:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-21 17:08:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-21 17:08:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-21 17:08:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:08:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:08:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-21 17:08:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-21 17:08:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-21 17:08:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-21 17:08:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:08:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:08:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:08:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:08:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:08:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:08:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:08:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:08:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-21 17:08:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-21 17:08:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 17:08:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 17:08:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:08:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:08:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:08:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:08:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-21 17:08:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-21 17:08:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:08:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:08:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-21 17:08:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-21 17:08:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-21 17:08:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-21 17:08:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-21 17:08:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-21 17:08:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:08:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:08:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-21 17:08:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-21 17:08:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 17:08:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 17:08:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:08:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:08:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:08:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:08:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-21 17:08:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-21 17:08:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-21 17:08:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-21 17:08:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 17:08:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 17:08:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:08:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:08:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:08:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:08:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:08:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:08:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:08:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-21 17:08:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-21 17:08:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 17:08:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 17:08:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:08:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:08:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-21 17:08:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-21 17:08:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:08:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-21 17:08:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-21 17:08:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-21 17:08:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-21 17:08:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-21 17:08:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-21 17:08:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 17:08:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-21 17:08:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-21 17:08:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-21 17:08:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 17:08:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 17:08:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:08:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-21 17:08:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-21 17:08:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 17:08:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 17:08:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:08:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:08:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:08:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:08:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 17:08:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 17:08:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-21 17:08:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-21 17:08:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2021-12-21 17:08:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2021-12-21 17:08:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:08:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:08:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 17:08:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 17:08:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:08:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:08:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-21 17:08:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-21 17:08:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-21 17:08:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-21 17:08:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-21 17:08:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-21 17:08:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-21 17:08:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-21 17:08:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 17:08:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 17:08:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:08:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:08:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 17:08:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 17:08:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-21 17:08:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-21 17:08:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:08:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:08:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-21 17:08:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-21 17:08:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-21 17:08:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-21 17:08:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:08:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:08:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-21 17:08:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-21 17:08:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:08:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-21 17:08:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-21 17:08:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:08:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:08:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:08:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:08:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-21 17:08:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-21 17:08:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:08:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:08:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 17:08:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 17:08:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-21 17:08:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-21 17:08:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-21 17:08:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-21 17:08:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-21 17:08:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-21 17:08:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-21 17:08:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-21 17:08:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-21 17:08:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-21 17:08:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:08:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:08:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-21 17:08:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-21 17:08:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 17:08:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 17:08:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:08:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:08:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-21 17:08:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-21 17:08:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:08:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:08:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 17:08:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 17:08:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-21 17:08:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-21 17:08:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:08:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:08:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:08:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-21 17:08:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-21 17:08:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:08:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:08:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 17:08:43,238 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:08:43,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:08:43,424 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:08:47,474 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:08:47,581 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:08:47,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:08:47,599 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 17:08:47,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:08:47 BoogieIcfgContainer [2021-12-21 17:08:47,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:08:47,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:08:47,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:08:47,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:08:47,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:08:38" (1/3) ... [2021-12-21 17:08:47,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f96b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:08:47, skipping insertion in model container [2021-12-21 17:08:47,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:08:41" (2/3) ... [2021-12-21 17:08:47,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f96b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:08:47, skipping insertion in model container [2021-12-21 17:08:47,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:08:47" (3/3) ... [2021-12-21 17:08:47,613 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-21 17:08:47,617 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:08:47,617 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 17:08:47,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:08:47,665 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 [2021-12-21 17:08:47,665 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 17:08:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 2943 states, 2023 states have (on average 1.259021255561048) internal successors, (2547), 2065 states have internal predecessors, (2547), 759 states have call successors, (759), 160 states have call predecessors, (759), 159 states have return successors, (751), 737 states have call predecessors, (751), 751 states have call successors, (751) [2021-12-21 17:08:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-21 17:08:47,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:08:47,727 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:08:47,727 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:08:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:08:47,731 INFO L85 PathProgramCache]: Analyzing trace with hash -984659306, now seen corresponding path program 1 times [2021-12-21 17:08:47,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:08:47,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509761977] [2021-12-21 17:08:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:08:47,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:08:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:08:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:08:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:08:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:08:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:08:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:08:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:08:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:08:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:08:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:08:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:08:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:08:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:08:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:08:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:08:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:08:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:08:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:08:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:08:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:08:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:08:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:08:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:08:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:08:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:08:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 17:08:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-21 17:08:49,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:08:49,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509761977] [2021-12-21 17:08:49,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509761977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:08:49,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:08:49,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:08:49,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308412215] [2021-12-21 17:08:49,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:08:49,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:08:49,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:08:49,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:08:49,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:08:49,040 INFO L87 Difference]: Start difference. First operand has 2943 states, 2023 states have (on average 1.259021255561048) internal successors, (2547), 2065 states have internal predecessors, (2547), 759 states have call successors, (759), 160 states have call predecessors, (759), 159 states have return successors, (751), 737 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-21 17:08:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:08:55,060 INFO L93 Difference]: Finished difference Result 9302 states and 13141 transitions. [2021-12-21 17:08:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:08:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 291 [2021-12-21 17:08:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:08:55,129 INFO L225 Difference]: With dead ends: 9302 [2021-12-21 17:08:55,129 INFO L226 Difference]: Without dead ends: 6397 [2021-12-21 17:08:55,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:08:55,153 INFO L933 BasicCegarLoop]: 4323 mSDtfsCounter, 5820 mSDsluCounter, 4576 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 2584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6518 SdHoareTripleChecker+Valid, 8899 SdHoareTripleChecker+Invalid, 5467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2584 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:08:55,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6518 Valid, 8899 Invalid, 5467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2584 Valid, 2883 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-21 17:08:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6397 states. [2021-12-21 17:08:55,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6397 to 5735. [2021-12-21 17:08:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5735 states, 3960 states have (on average 1.253030303030303) internal successors, (4962), 4039 states have internal predecessors, (4962), 1458 states have call successors, (1458), 316 states have call predecessors, (1458), 315 states have return successors, (1455), 1427 states have call predecessors, (1455), 1455 states have call successors, (1455) [2021-12-21 17:08:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5735 states to 5735 states and 7875 transitions. [2021-12-21 17:08:55,507 INFO L78 Accepts]: Start accepts. Automaton has 5735 states and 7875 transitions. Word has length 291 [2021-12-21 17:08:55,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:08:55,511 INFO L470 AbstractCegarLoop]: Abstraction has 5735 states and 7875 transitions. [2021-12-21 17:08:55,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-21 17:08:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5735 states and 7875 transitions. [2021-12-21 17:08:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-21 17:08:55,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:08:55,527 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:08:55,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:08:55,527 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:08:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:08:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1920134130, now seen corresponding path program 1 times [2021-12-21 17:08:55,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:08:55,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208941900] [2021-12-21 17:08:55,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:08:55,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:08:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:08:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:08:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:08:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:08:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:08:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:08:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:08:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:08:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:08:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:08:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:08:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:08:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:08:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:08:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:08:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:08:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:08:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:08:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:08:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:08:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:08:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:08:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:08:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:08:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:08:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:08:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 17:08:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-21 17:08:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:08:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-21 17:08:56,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:08:56,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208941900] [2021-12-21 17:08:56,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208941900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:08:56,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:08:56,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:08:56,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030616159] [2021-12-21 17:08:56,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:08:56,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:08:56,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:08:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:08:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:08:56,210 INFO L87 Difference]: Start difference. First operand 5735 states and 7875 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-21 17:09:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:00,939 INFO L93 Difference]: Finished difference Result 13415 states and 18554 transitions. [2021-12-21 17:09:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 313 [2021-12-21 17:09:00,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:00,989 INFO L225 Difference]: With dead ends: 13415 [2021-12-21 17:09:00,990 INFO L226 Difference]: Without dead ends: 7733 [2021-12-21 17:09:01,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:01,018 INFO L933 BasicCegarLoop]: 4261 mSDtfsCounter, 4410 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 2645 mSolverCounterSat, 2011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4961 SdHoareTripleChecker+Valid, 8784 SdHoareTripleChecker+Invalid, 4656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2011 IncrementalHoareTripleChecker+Valid, 2645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:01,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4961 Valid, 8784 Invalid, 4656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2011 Valid, 2645 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-21 17:09:01,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2021-12-21 17:09:01,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 6968. [2021-12-21 17:09:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6968 states, 4886 states have (on average 1.2562423250102333) internal successors, (6138), 4963 states have internal predecessors, (6138), 1684 states have call successors, (1684), 398 states have call predecessors, (1684), 396 states have return successors, (1681), 1654 states have call predecessors, (1681), 1681 states have call successors, (1681) [2021-12-21 17:09:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6968 states to 6968 states and 9503 transitions. [2021-12-21 17:09:01,305 INFO L78 Accepts]: Start accepts. Automaton has 6968 states and 9503 transitions. Word has length 313 [2021-12-21 17:09:01,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:01,307 INFO L470 AbstractCegarLoop]: Abstraction has 6968 states and 9503 transitions. [2021-12-21 17:09:01,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-21 17:09:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6968 states and 9503 transitions. [2021-12-21 17:09:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-21 17:09:01,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:01,315 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-12-21 17:09:01,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:09:01,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:01,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1698554627, now seen corresponding path program 1 times [2021-12-21 17:09:01,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:01,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850123373] [2021-12-21 17:09:01,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:09:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:09:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:09:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:09:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 17:09:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:09:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 17:09:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-21 17:09:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-21 17:09:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 17:09:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-21 17:09:02,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:02,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850123373] [2021-12-21 17:09:02,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850123373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:02,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:02,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:02,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114076676] [2021-12-21 17:09:02,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:02,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:02,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:02,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:02,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:02,042 INFO L87 Difference]: Start difference. First operand 6968 states and 9503 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 17:09:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:08,593 INFO L93 Difference]: Finished difference Result 18002 states and 24873 transitions. [2021-12-21 17:09:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:08,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 347 [2021-12-21 17:09:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:08,688 INFO L225 Difference]: With dead ends: 18002 [2021-12-21 17:09:08,688 INFO L226 Difference]: Without dead ends: 13072 [2021-12-21 17:09:08,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:08,722 INFO L933 BasicCegarLoop]: 6406 mSDtfsCounter, 4975 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 2896 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5670 SdHoareTripleChecker+Valid, 11964 SdHoareTripleChecker+Invalid, 5005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 2896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:08,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5670 Valid, 11964 Invalid, 5005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2109 Valid, 2896 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-21 17:09:08,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13072 states. [2021-12-21 17:09:09,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13072 to 11768. [2021-12-21 17:09:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11768 states, 8248 states have (on average 1.2565470417070805) internal successors, (10364), 8379 states have internal predecessors, (10364), 2848 states have call successors, (2848), 672 states have call predecessors, (2848), 670 states have return successors, (2845), 2800 states have call predecessors, (2845), 2845 states have call successors, (2845) [2021-12-21 17:09:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 11768 states and 16057 transitions. [2021-12-21 17:09:09,290 INFO L78 Accepts]: Start accepts. Automaton has 11768 states and 16057 transitions. Word has length 347 [2021-12-21 17:09:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:09,291 INFO L470 AbstractCegarLoop]: Abstraction has 11768 states and 16057 transitions. [2021-12-21 17:09:09,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 17:09:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11768 states and 16057 transitions. [2021-12-21 17:09:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-12-21 17:09:09,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:09,298 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-12-21 17:09:09,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:09:09,298 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:09,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:09,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1564541121, now seen corresponding path program 1 times [2021-12-21 17:09:09,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:09,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469526739] [2021-12-21 17:09:09,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:09,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:09:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:09:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:09:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:09:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 17:09:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:09:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 17:09:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-21 17:09:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-21 17:09:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 17:09:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-21 17:09:10,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:10,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469526739] [2021-12-21 17:09:10,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469526739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:10,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:10,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:09:10,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379701524] [2021-12-21 17:09:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:10,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:09:10,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:09:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:10,103 INFO L87 Difference]: Start difference. First operand 11768 states and 16057 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 17:09:14,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:14,636 INFO L93 Difference]: Finished difference Result 13070 states and 18131 transitions. [2021-12-21 17:09:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:14,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 347 [2021-12-21 17:09:14,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:14,682 INFO L225 Difference]: With dead ends: 13070 [2021-12-21 17:09:14,683 INFO L226 Difference]: Without dead ends: 13039 [2021-12-21 17:09:14,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-21 17:09:14,690 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 4594 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 1771 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 8317 SdHoareTripleChecker+Invalid, 3840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1771 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:14,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5009 Valid, 8317 Invalid, 3840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1771 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-21 17:09:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13039 states. [2021-12-21 17:09:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13039 to 11737. [2021-12-21 17:09:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11737 states, 8234 states have (on average 1.2562545542871022) internal successors, (10344), 8359 states have internal predecessors, (10344), 2833 states have call successors, (2833), 669 states have call predecessors, (2833), 669 states have return successors, (2833), 2792 states have call predecessors, (2833), 2833 states have call successors, (2833) [2021-12-21 17:09:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11737 states to 11737 states and 16010 transitions. [2021-12-21 17:09:15,144 INFO L78 Accepts]: Start accepts. Automaton has 11737 states and 16010 transitions. Word has length 347 [2021-12-21 17:09:15,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:15,145 INFO L470 AbstractCegarLoop]: Abstraction has 11737 states and 16010 transitions. [2021-12-21 17:09:15,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 17:09:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11737 states and 16010 transitions. [2021-12-21 17:09:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-21 17:09:15,163 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:15,164 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 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] [2021-12-21 17:09:15,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:09:15,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1508677611, now seen corresponding path program 1 times [2021-12-21 17:09:15,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:15,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297470597] [2021-12-21 17:09:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:15,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:09:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:09:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:09:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:09:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 17:09:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:09:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-21 17:09:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:09:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-21 17:09:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:09:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-21 17:09:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 17:09:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2833 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2021-12-21 17:09:15,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:15,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297470597] [2021-12-21 17:09:15,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297470597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:15,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:15,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:15,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754181148] [2021-12-21 17:09:15,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:15,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:15,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:15,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:15,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:15,830 INFO L87 Difference]: Start difference. First operand 11737 states and 16010 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-21 17:09:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:21,057 INFO L93 Difference]: Finished difference Result 27192 states and 37474 transitions. [2021-12-21 17:09:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:21,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 377 [2021-12-21 17:09:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:21,133 INFO L225 Difference]: With dead ends: 27192 [2021-12-21 17:09:21,134 INFO L226 Difference]: Without dead ends: 17493 [2021-12-21 17:09:21,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:21,182 INFO L933 BasicCegarLoop]: 6382 mSDtfsCounter, 3560 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 1514 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 11898 SdHoareTripleChecker+Invalid, 4174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1514 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:21,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4106 Valid, 11898 Invalid, 4174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1514 Valid, 2660 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-21 17:09:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17493 states. [2021-12-21 17:09:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17493 to 15762. [2021-12-21 17:09:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15762 states, 11096 states have (on average 1.2571196827685653) internal successors, (13949), 11254 states have internal predecessors, (13949), 3759 states have call successors, (3759), 906 states have call predecessors, (3759), 906 states have return successors, (3759), 3709 states have call predecessors, (3759), 3759 states have call successors, (3759) [2021-12-21 17:09:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15762 states to 15762 states and 21467 transitions. [2021-12-21 17:09:21,691 INFO L78 Accepts]: Start accepts. Automaton has 15762 states and 21467 transitions. Word has length 377 [2021-12-21 17:09:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:21,693 INFO L470 AbstractCegarLoop]: Abstraction has 15762 states and 21467 transitions. [2021-12-21 17:09:21,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-21 17:09:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 15762 states and 21467 transitions. [2021-12-21 17:09:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-21 17:09:21,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:21,734 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:21,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 17:09:21,734 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:21,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash -645466867, now seen corresponding path program 1 times [2021-12-21 17:09:21,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:21,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485293701] [2021-12-21 17:09:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:21,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:09:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:09:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:09:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:09:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 17:09:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:09:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-21 17:09:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:09:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-21 17:09:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:09:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-21 17:09:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:09:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:09:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-21 17:09:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:09:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:09:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-21 17:09:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-21 17:09:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-21 17:09:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-21 17:09:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3145 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3119 trivial. 0 not checked. [2021-12-21 17:09:22,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:22,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485293701] [2021-12-21 17:09:22,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485293701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:22,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:22,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:09:22,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071837142] [2021-12-21 17:09:22,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:22,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:09:22,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:22,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:09:22,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:09:22,608 INFO L87 Difference]: Start difference. First operand 15762 states and 21467 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-21 17:09:27,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:27,826 INFO L93 Difference]: Finished difference Result 35664 states and 49038 transitions. [2021-12-21 17:09:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:27,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2021-12-21 17:09:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:27,917 INFO L225 Difference]: With dead ends: 35664 [2021-12-21 17:09:27,917 INFO L226 Difference]: Without dead ends: 21940 [2021-12-21 17:09:27,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:27,974 INFO L933 BasicCegarLoop]: 6431 mSDtfsCounter, 3556 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 1493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4103 SdHoareTripleChecker+Valid, 11981 SdHoareTripleChecker+Invalid, 4143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1493 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:27,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4103 Valid, 11981 Invalid, 4143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1493 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-21 17:09:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21940 states. [2021-12-21 17:09:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21940 to 19781. [2021-12-21 17:09:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19781 states, 13952 states have (on average 1.2577408256880733) internal successors, (17548), 14143 states have internal predecessors, (17548), 4685 states have call successors, (4685), 1143 states have call predecessors, (4685), 1143 states have return successors, (4685), 4626 states have call predecessors, (4685), 4685 states have call successors, (4685) [2021-12-21 17:09:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19781 states to 19781 states and 26918 transitions. [2021-12-21 17:09:28,792 INFO L78 Accepts]: Start accepts. Automaton has 19781 states and 26918 transitions. Word has length 453 [2021-12-21 17:09:28,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:28,794 INFO L470 AbstractCegarLoop]: Abstraction has 19781 states and 26918 transitions. [2021-12-21 17:09:28,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-21 17:09:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 19781 states and 26918 transitions. [2021-12-21 17:09:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-21 17:09:28,834 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:09:28,834 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:09:28,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 17:09:28,834 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:09:28,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:09:28,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1282805835, now seen corresponding path program 1 times [2021-12-21 17:09:28,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:09:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236486611] [2021-12-21 17:09:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:09:28,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:09:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:09:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:09:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:09:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:09:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:09:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:09:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:09:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:09:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:09:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:09:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:09:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:09:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:09:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:09:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:09:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:09:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:09:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:09:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 17:09:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:09:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 17:09:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:09:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 17:09:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 17:09:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:09:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 17:09:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 17:09:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-21 17:09:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-21 17:09:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-21 17:09:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-21 17:09:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 17:09:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-21 17:09:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:09:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:09:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-21 17:09:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:09:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:09:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:09:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-21 17:09:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-21 17:09:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-21 17:09:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-21 17:09:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:09:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2021-12-21 17:09:29,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:09:29,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236486611] [2021-12-21 17:09:29,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236486611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:09:29,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:09:29,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:09:29,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80807158] [2021-12-21 17:09:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:09:29,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:09:29,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:09:29,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:09:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:09:29,627 INFO L87 Difference]: Start difference. First operand 19781 states and 26918 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-21 17:09:35,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:09:35,684 INFO L93 Difference]: Finished difference Result 28642 states and 40439 transitions. [2021-12-21 17:09:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:09:35,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 453 [2021-12-21 17:09:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:09:35,688 INFO L225 Difference]: With dead ends: 28642 [2021-12-21 17:09:35,688 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 17:09:35,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 17:09:35,762 INFO L933 BasicCegarLoop]: 5133 mSDtfsCounter, 5629 mSDsluCounter, 5844 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 2351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6033 SdHoareTripleChecker+Valid, 10977 SdHoareTripleChecker+Invalid, 5084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2351 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:09:35,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6033 Valid, 10977 Invalid, 5084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2351 Valid, 2733 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-21 17:09:35,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 17:09:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 17:09:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 17:09:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 17:09:35,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 453 [2021-12-21 17:09:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:09:35,769 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 17:09:35,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-21 17:09:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 17:09:35,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 17:09:35,772 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-21 17:09:35,772 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-21 17:09:35,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 17:09:35,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.