./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:44:32,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:44:32,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:44:32,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:44:32,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:44:32,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:44:32,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:44:32,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:44:32,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:44:32,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:44:32,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:44:32,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:44:32,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:44:32,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:44:32,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:44:32,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:44:32,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:44:32,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:44:32,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:44:32,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:44:32,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:44:32,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:44:32,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:44:32,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:44:32,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:44:32,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:44:32,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:44:32,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:44:32,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:44:32,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:44:32,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:44:32,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:44:32,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:44:32,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:44:32,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:44:32,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:44:32,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:44:32,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:44:32,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:44:32,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:44:32,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:44:32,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:44:32,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:44:32,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:44:32,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:44:32,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:44:32,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:44:32,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:44:32,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:44:32,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:44:32,805 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:44:32,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:44:32,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:44:32,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:44:32,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:44:32,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:44:32,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:44:32,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:44:32,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:44:32,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:44:32,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:44:32,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:44:32,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:44:32,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:44:32,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:44:32,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:44:32,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:44:32,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:44:32,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:44:32,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:44:32,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:44:32,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:44:32,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:44:32,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-12-18 09:44:33,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:44:33,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:44:33,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:44:33,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:44:33,094 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:44:33,096 INFO L432 ainManager$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-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-18 09:44:33,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a71c1c5/74c54104feab4016ac545a60bb60a72f/FLAG3326a8a47 [2021-12-18 09:44:34,036 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:44:34,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-18 09:44:34,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a71c1c5/74c54104feab4016ac545a60bb60a72f/FLAG3326a8a47 [2021-12-18 09:44:34,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a71c1c5/74c54104feab4016ac545a60bb60a72f [2021-12-18 09:44:34,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:44:34,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:44:34,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:44:34,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:44:34,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:44:34,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:44:34" (1/1) ... [2021-12-18 09:44:34,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1fce10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:34, skipping insertion in model container [2021-12-18 09:44:34,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:44:34" (1/1) ... [2021-12-18 09:44:34,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:44:34,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:44:39,053 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-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-12-18 09:44:39,056 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-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-12-18 09:44:39,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:44:39,201 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:44:39,609 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-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-12-18 09:44:39,609 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-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-12-18 09:44:39,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:44:39,840 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:44:39,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39 WrapperNode [2021-12-18 09:44:39,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:44:39,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:44:39,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:44:39,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:44:39,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,298 INFO L137 Inliner]: procedures = 567, calls = 5407, calls flagged for inlining = 289, calls inlined = 263, statements flattened = 11461 [2021-12-18 09:44:40,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:44:40,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:44:40,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:44:40,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:44:40,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:44:40,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:44:40,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:44:40,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:44:40,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (1/1) ... [2021-12-18 09:44:40,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:44:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:44:40,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:44:40,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 09:44:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-18 09:44:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-18 09:44:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-18 09:44:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-18 09:44:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 09:44:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 09:44:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:44:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:44:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 09:44:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 09:44:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-12-18 09:44:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-12-18 09:44:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 09:44:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 09:44:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-18 09:44:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-18 09:44:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-18 09:44:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-18 09:44:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:44:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:44:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 09:44:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 09:44:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:44:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:44:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 09:44:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 09:44:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:44:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:44:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-18 09:44:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-18 09:44:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 09:44:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 09:44:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 09:44:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 09:44:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-18 09:44:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-18 09:44:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 09:44:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 09:44:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 09:44:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 09:44:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:44:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:44:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-18 09:44:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-18 09:44:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 09:44:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 09:44:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 09:44:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 09:44:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:44:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:44:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:44:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:44:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 09:44:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 09:44:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 09:44:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 09:44:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:44:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-18 09:44:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-18 09:44:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-18 09:44:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-18 09:44:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 09:44:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 09:44:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-18 09:44:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-18 09:44:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:44:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:44:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-18 09:44:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-18 09:44:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-18 09:44:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-18 09:44:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-18 09:44:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-18 09:44:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:44:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-18 09:44:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-18 09:44:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-18 09:44:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-18 09:44:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:44:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:44:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 09:44:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 09:44:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:44:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:44:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:44:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:44:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-18 09:44:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-18 09:44:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:44:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:44:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 09:44:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 09:44:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:44:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:44:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 09:44:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 09:44:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:44:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:44:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:44:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:44:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:44:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:44:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-18 09:44:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-18 09:44:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:44:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:44:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:44:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:44:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-18 09:44:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-18 09:44:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-18 09:44:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-18 09:44:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:44:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:44:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:44:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 09:44:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 09:44:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 09:44:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 09:44:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 09:44:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 09:44:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:44:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:44:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:44:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:44:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:44:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:44:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-18 09:44:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-18 09:44:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 09:44:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 09:44:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-18 09:44:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-18 09:44:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:44:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:44:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:44:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:44:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:44:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:44:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-18 09:44:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-18 09:44:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 09:44:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 09:44:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 09:44:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 09:44:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:44:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:44:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:44:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:44:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-18 09:44:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-18 09:44:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:44:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:44:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-18 09:44:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-18 09:44:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:44:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:44:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-18 09:44:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-18 09:44:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:44:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:44:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:44:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:44:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 09:44:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 09:44:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 09:44:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 09:44:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-18 09:44:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-18 09:44:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:44:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:44:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-18 09:44:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-18 09:44:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-18 09:44:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-18 09:44:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 09:44:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 09:44:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-18 09:44:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-18 09:44:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-18 09:44:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-18 09:44:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 09:44:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 09:44:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-18 09:44:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-18 09:44:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-18 09:44:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-18 09:44:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:44:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:44:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 09:44:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 09:44:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-18 09:44:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-18 09:44:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 09:44:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 09:44:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 09:44:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 09:44:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:44:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-18 09:44:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-18 09:44:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:44:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:44:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:44:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 09:44:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 09:44:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 09:44:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 09:44:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-18 09:44:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-18 09:44:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:44:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-18 09:44:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-18 09:44:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-18 09:44:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-18 09:44:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-18 09:44:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-18 09:44:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:44:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:44:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 09:44:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 09:44:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-18 09:44:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-18 09:44:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:44:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:44:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 09:44:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 09:44:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-18 09:44:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-18 09:44:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 09:44:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 09:44:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-18 09:44:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-18 09:44:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-18 09:44:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2021-12-18 09:44:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-18 09:44:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-18 09:44:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-12-18 09:44:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-12-18 09:44:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 09:44:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 09:44:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:44:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:44:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 09:44:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 09:44:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:44:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:44:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 09:44:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 09:44:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:44:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-18 09:44:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-18 09:44:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:44:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:44:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-12-18 09:44:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-12-18 09:44:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-18 09:44:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-18 09:44:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-18 09:44:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-18 09:44:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 09:44:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 09:44:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-18 09:44:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-18 09:44:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 09:44:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 09:44:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:44:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:44:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 09:44:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 09:44:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 09:44:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 09:44:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 09:44:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 09:44:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-18 09:44:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-18 09:44:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 09:44:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 09:44:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-18 09:44:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-18 09:44:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:44:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-18 09:44:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-18 09:44:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:44:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:44:42,045 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:44:42,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:44:43,147 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:44:48,314 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:44:48,444 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:44:48,479 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:44:48,479 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 09:44:48,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:44:48 BoogieIcfgContainer [2021-12-18 09:44:48,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:44:48,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:44:48,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:44:48,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:44:48,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:44:34" (1/3) ... [2021-12-18 09:44:48,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301fd58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:44:48, skipping insertion in model container [2021-12-18 09:44:48,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:44:39" (2/3) ... [2021-12-18 09:44:48,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301fd58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:44:48, skipping insertion in model container [2021-12-18 09:44:48,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:44:48" (3/3) ... [2021-12-18 09:44:48,494 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-18 09:44:48,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:44:48,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:44:48,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:44:48,587 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 09:44:48,588 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:44:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) [2021-12-18 09:44:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-18 09:44:48,703 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:48,704 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-12-18 09:44:48,704 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1149132296, now seen corresponding path program 1 times [2021-12-18 09:44:48,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:48,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579277687] [2021-12-18 09:44:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:48,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:44:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:44:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:44:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:44:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:44:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:44:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 09:44:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 09:44:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 09:44:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-18 09:44:50,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:50,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579277687] [2021-12-18 09:44:50,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579277687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:50,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:50,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:44:50,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190269194] [2021-12-18 09:44:50,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:50,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:44:50,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:50,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:44:50,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:44:50,118 INFO L87 Difference]: Start difference. First operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 09:44:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:56,792 INFO L93 Difference]: Finished difference Result 9363 states and 14036 transitions. [2021-12-18 09:44:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:44:56,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2021-12-18 09:44:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:56,873 INFO L225 Difference]: With dead ends: 9363 [2021-12-18 09:44:56,873 INFO L226 Difference]: Without dead ends: 5825 [2021-12-18 09:44:56,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:44:56,913 INFO L933 BasicCegarLoop]: 5422 mSDtfsCounter, 4048 mSDsluCounter, 6834 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4700 SdHoareTripleChecker+Valid, 12256 SdHoareTripleChecker+Invalid, 4664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:56,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4700 Valid, 12256 Invalid, 4664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2120 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-18 09:44:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2021-12-18 09:44:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5676. [2021-12-18 09:44:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 3934 states have (on average 1.3662938485002543) internal successors, (5375), 4088 states have internal predecessors, (5375), 1520 states have call successors, (1520), 221 states have call predecessors, (1520), 221 states have return successors, (1520), 1449 states have call predecessors, (1520), 1520 states have call successors, (1520) [2021-12-18 09:44:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 8415 transitions. [2021-12-18 09:44:57,426 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 8415 transitions. Word has length 194 [2021-12-18 09:44:57,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:57,430 INFO L470 AbstractCegarLoop]: Abstraction has 5676 states and 8415 transitions. [2021-12-18 09:44:57,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 09:44:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 8415 transitions. [2021-12-18 09:44:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 09:44:57,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:57,454 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:57,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:44:57,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:57,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:57,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2047130823, now seen corresponding path program 1 times [2021-12-18 09:44:57,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:57,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108968147] [2021-12-18 09:44:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:57,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:44:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:44:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:44:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:44:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:44:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:44:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 09:44:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 09:44:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 09:44:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 09:44:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 09:44:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:44:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:44:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 09:44:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-18 09:44:58,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:58,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108968147] [2021-12-18 09:44:58,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108968147] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:58,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:58,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:44:58,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538410091] [2021-12-18 09:44:58,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:58,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:44:58,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:58,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:44:58,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:44:58,192 INFO L87 Difference]: Start difference. First operand 5676 states and 8415 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:13,696 INFO L93 Difference]: Finished difference Result 18792 states and 28166 transitions. [2021-12-18 09:45:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:45:13,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-12-18 09:45:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:13,795 INFO L225 Difference]: With dead ends: 18792 [2021-12-18 09:45:13,795 INFO L226 Difference]: Without dead ends: 13147 [2021-12-18 09:45:13,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:45:13,829 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 9985 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 6709 mSolverCounterSat, 6889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10800 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 13598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6889 IncrementalHoareTripleChecker+Valid, 6709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:13,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10800 Valid, 11412 Invalid, 13598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6889 Valid, 6709 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2021-12-18 09:45:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13147 states. [2021-12-18 09:45:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13147 to 11265. [2021-12-18 09:45:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11265 states, 7807 states have (on average 1.367618803637761) internal successors, (10677), 8119 states have internal predecessors, (10677), 3015 states have call successors, (3015), 442 states have call predecessors, (3015), 442 states have return successors, (3015), 2869 states have call predecessors, (3015), 3015 states have call successors, (3015) [2021-12-18 09:45:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 16707 transitions. [2021-12-18 09:45:14,684 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 16707 transitions. Word has length 248 [2021-12-18 09:45:14,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:14,686 INFO L470 AbstractCegarLoop]: Abstraction has 11265 states and 16707 transitions. [2021-12-18 09:45:14,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 16707 transitions. [2021-12-18 09:45:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 09:45:14,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:14,711 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 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] [2021-12-18 09:45:14,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:45:14,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:14,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:14,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1936131099, now seen corresponding path program 1 times [2021-12-18 09:45:14,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:14,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899202165] [2021-12-18 09:45:14,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:14,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:45:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:45:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:45:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:45:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:45:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:45:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 09:45:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 09:45:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 09:45:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 09:45:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 09:45:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:45:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:45:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:45:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:45:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 09:45:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-12-18 09:45:15,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:15,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899202165] [2021-12-18 09:45:15,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899202165] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:15,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:15,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:45:15,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846040847] [2021-12-18 09:45:15,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:15,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:45:15,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:45:15,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:45:15,381 INFO L87 Difference]: Start difference. First operand 11265 states and 16707 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:28,787 INFO L93 Difference]: Finished difference Result 35281 states and 52789 transitions. [2021-12-18 09:45:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:45:28,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-12-18 09:45:28,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:28,958 INFO L225 Difference]: With dead ends: 35281 [2021-12-18 09:45:28,958 INFO L226 Difference]: Without dead ends: 24047 [2021-12-18 09:45:29,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:45:29,020 INFO L933 BasicCegarLoop]: 4462 mSDtfsCounter, 9891 mSDsluCounter, 5303 mSDsCounter, 0 mSdLazyCounter, 7709 mSolverCounterSat, 6627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10664 SdHoareTripleChecker+Valid, 9765 SdHoareTripleChecker+Invalid, 14336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6627 IncrementalHoareTripleChecker+Valid, 7709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:29,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10664 Valid, 9765 Invalid, 14336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6627 Valid, 7709 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2021-12-18 09:45:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2021-12-18 09:45:30,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 23360. [2021-12-18 09:45:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23360 states, 16271 states have (on average 1.3796324749554423) internal successors, (22448), 16939 states have internal predecessors, (22448), 6179 states have call successors, (6179), 869 states have call predecessors, (6179), 909 states have return successors, (6395), 5901 states have call predecessors, (6395), 6179 states have call successors, (6395) [2021-12-18 09:45:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23360 states to 23360 states and 35022 transitions. [2021-12-18 09:45:30,446 INFO L78 Accepts]: Start accepts. Automaton has 23360 states and 35022 transitions. Word has length 248 [2021-12-18 09:45:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:30,447 INFO L470 AbstractCegarLoop]: Abstraction has 23360 states and 35022 transitions. [2021-12-18 09:45:30,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 23360 states and 35022 transitions. [2021-12-18 09:45:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-18 09:45:30,488 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:30,488 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2021-12-18 09:45:30,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:45:30,489 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:30,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:30,489 INFO L85 PathProgramCache]: Analyzing trace with hash 102720254, now seen corresponding path program 1 times [2021-12-18 09:45:30,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:30,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918400960] [2021-12-18 09:45:30,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:30,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:45:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:45:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:45:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:45:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:45:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:45:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:45:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 09:45:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 09:45:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 09:45:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:45:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 09:45:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:45:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 09:45:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:45:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-12-18 09:45:31,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:31,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918400960] [2021-12-18 09:45:31,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918400960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:31,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:31,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 09:45:31,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928020536] [2021-12-18 09:45:31,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:31,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 09:45:31,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 09:45:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 09:45:31,136 INFO L87 Difference]: Start difference. First operand 23360 states and 35022 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:36,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:36,361 INFO L93 Difference]: Finished difference Result 56811 states and 85322 transitions. [2021-12-18 09:45:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 09:45:36,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 258 [2021-12-18 09:45:36,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:36,753 INFO L225 Difference]: With dead ends: 56811 [2021-12-18 09:45:36,753 INFO L226 Difference]: Without dead ends: 33482 [2021-12-18 09:45:36,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:45:36,840 INFO L933 BasicCegarLoop]: 8035 mSDtfsCounter, 3443 mSDsluCounter, 8326 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 16361 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:36,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4076 Valid, 16361 Invalid, 3962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1418 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 09:45:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33482 states. [2021-12-18 09:45:38,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33482 to 32714. [2021-12-18 09:45:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32714 states, 22766 states have (on average 1.3803478872002108) internal successors, (31425), 23686 states have internal predecessors, (31425), 8664 states have call successors, (8664), 1224 states have call predecessors, (8664), 1283 states have return successors, (8972), 8288 states have call predecessors, (8972), 8664 states have call successors, (8972) [2021-12-18 09:45:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32714 states to 32714 states and 49061 transitions. [2021-12-18 09:45:38,720 INFO L78 Accepts]: Start accepts. Automaton has 32714 states and 49061 transitions. Word has length 258 [2021-12-18 09:45:38,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:38,721 INFO L470 AbstractCegarLoop]: Abstraction has 32714 states and 49061 transitions. [2021-12-18 09:45:38,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:45:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32714 states and 49061 transitions. [2021-12-18 09:45:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-18 09:45:38,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:38,751 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 13, 13, 13, 13, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:38,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:45:38,752 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:38,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:38,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1405757395, now seen corresponding path program 1 times [2021-12-18 09:45:38,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:38,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956364197] [2021-12-18 09:45:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:38,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:45:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:45:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:45:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:45:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:45:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:45:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 09:45:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 09:45:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 09:45:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:45:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-18 09:45:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 09:45:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 09:45:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:45:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 09:45:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 09:45:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:45:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2021-12-18 09:45:39,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:39,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956364197] [2021-12-18 09:45:39,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956364197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:39,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:39,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:45:39,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691560034] [2021-12-18 09:45:39,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:39,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:45:39,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:39,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:45:39,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:45:39,229 INFO L87 Difference]: Start difference. First operand 32714 states and 49061 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:45:50,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:50,442 INFO L93 Difference]: Finished difference Result 71025 states and 106567 transitions. [2021-12-18 09:45:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:45:50,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 272 [2021-12-18 09:45:50,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:50,698 INFO L225 Difference]: With dead ends: 71025 [2021-12-18 09:45:50,699 INFO L226 Difference]: Without dead ends: 38342 [2021-12-18 09:45:50,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:45:50,833 INFO L933 BasicCegarLoop]: 4744 mSDtfsCounter, 7954 mSDsluCounter, 6365 mSDsCounter, 0 mSdLazyCounter, 6121 mSolverCounterSat, 5636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8604 SdHoareTripleChecker+Valid, 11109 SdHoareTripleChecker+Invalid, 11757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5636 IncrementalHoareTripleChecker+Valid, 6121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:50,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8604 Valid, 11109 Invalid, 11757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5636 Valid, 6121 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2021-12-18 09:45:50,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38342 states. [2021-12-18 09:45:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38342 to 37283. [2021-12-18 09:45:52,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37283 states, 25945 states have (on average 1.3799576026209288) internal successors, (35803), 26986 states have internal predecessors, (35803), 9852 states have call successors, (9852), 1417 states have call predecessors, (9852), 1485 states have return successors, (10203), 9431 states have call predecessors, (10203), 9852 states have call successors, (10203) [2021-12-18 09:45:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37283 states to 37283 states and 55858 transitions. [2021-12-18 09:45:53,079 INFO L78 Accepts]: Start accepts. Automaton has 37283 states and 55858 transitions. Word has length 272 [2021-12-18 09:45:53,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:53,080 INFO L470 AbstractCegarLoop]: Abstraction has 37283 states and 55858 transitions. [2021-12-18 09:45:53,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 09:45:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 37283 states and 55858 transitions. [2021-12-18 09:45:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-18 09:45:53,160 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:53,160 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:53,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:45:53,161 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:53,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:53,161 INFO L85 PathProgramCache]: Analyzing trace with hash -278925420, now seen corresponding path program 1 times [2021-12-18 09:45:53,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:53,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755123754] [2021-12-18 09:45:53,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:53,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:45:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:45:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:45:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:45:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:45:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:45:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 09:45:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 09:45:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:45:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 09:45:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:45:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 09:45:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 09:45:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 09:45:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 09:45:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:45:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:45:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:45:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:45:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:45:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 09:45:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 09:45:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:45:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-12-18 09:45:53,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:53,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755123754] [2021-12-18 09:45:53,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755123754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:53,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:53,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:45:53,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411386404] [2021-12-18 09:45:53,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:53,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:45:53,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:53,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:45:53,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:45:53,815 INFO L87 Difference]: Start difference. First operand 37283 states and 55858 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:46:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:11,592 INFO L93 Difference]: Finished difference Result 110676 states and 166429 transitions. [2021-12-18 09:46:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:11,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 324 [2021-12-18 09:46:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:12,295 INFO L225 Difference]: With dead ends: 110676 [2021-12-18 09:46:12,295 INFO L226 Difference]: Without dead ends: 73424 [2021-12-18 09:46:12,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:12,446 INFO L933 BasicCegarLoop]: 4950 mSDtfsCounter, 8964 mSDsluCounter, 7791 mSDsCounter, 0 mSdLazyCounter, 10203 mSolverCounterSat, 4620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9945 SdHoareTripleChecker+Valid, 12741 SdHoareTripleChecker+Invalid, 14823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4620 IncrementalHoareTripleChecker+Valid, 10203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:12,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9945 Valid, 12741 Invalid, 14823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4620 Valid, 10203 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2021-12-18 09:46:12,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73424 states. [2021-12-18 09:46:15,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73424 to 69676. [2021-12-18 09:46:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69676 states, 48498 states have (on average 1.3797888572724648) internal successors, (66917), 50471 states have internal predecessors, (66917), 18395 states have call successors, (18395), 2662 states have call predecessors, (18395), 2782 states have return successors, (19012), 17579 states have call predecessors, (19012), 18395 states have call successors, (19012) [2021-12-18 09:46:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69676 states to 69676 states and 104324 transitions. [2021-12-18 09:46:16,115 INFO L78 Accepts]: Start accepts. Automaton has 69676 states and 104324 transitions. Word has length 324 [2021-12-18 09:46:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:16,116 INFO L470 AbstractCegarLoop]: Abstraction has 69676 states and 104324 transitions. [2021-12-18 09:46:16,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:46:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 69676 states and 104324 transitions. [2021-12-18 09:46:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-18 09:46:16,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:16,190 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:16,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:46:16,190 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:16,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -418495111, now seen corresponding path program 1 times [2021-12-18 09:46:16,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:16,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934909221] [2021-12-18 09:46:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:16,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:46:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:46:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:46:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:46:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:46:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:46:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:46:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:46:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:46:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:46:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 09:46:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 09:46:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:46:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 09:46:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:46:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 09:46:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-18 09:46:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 09:46:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 09:46:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:46:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 09:46:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:46:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:46:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:46:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 09:46:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 09:46:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 09:46:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-12-18 09:46:16,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:16,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934909221] [2021-12-18 09:46:16,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934909221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:16,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:16,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:16,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025546559] [2021-12-18 09:46:16,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:16,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:16,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:16,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:16,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:16,925 INFO L87 Difference]: Start difference. First operand 69676 states and 104324 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:46:33,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:33,068 INFO L93 Difference]: Finished difference Result 211175 states and 317273 transitions. [2021-12-18 09:46:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:33,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 325 [2021-12-18 09:46:33,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:34,261 INFO L225 Difference]: With dead ends: 211175 [2021-12-18 09:46:34,261 INFO L226 Difference]: Without dead ends: 141530 [2021-12-18 09:46:34,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:34,484 INFO L933 BasicCegarLoop]: 4956 mSDtfsCounter, 11586 mSDsluCounter, 6565 mSDsCounter, 0 mSdLazyCounter, 7206 mSolverCounterSat, 9302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12569 SdHoareTripleChecker+Valid, 11521 SdHoareTripleChecker+Invalid, 16508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9302 IncrementalHoareTripleChecker+Valid, 7206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:34,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12569 Valid, 11521 Invalid, 16508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9302 Valid, 7206 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2021-12-18 09:46:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141530 states. [2021-12-18 09:46:40,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141530 to 134242. [2021-12-18 09:46:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134242 states, 93474 states have (on average 1.379474506279821) internal successors, (128945), 97311 states have internal predecessors, (128945), 35401 states have call successors, (35401), 5147 states have call predecessors, (35401), 5366 states have return successors, (36520), 33790 states have call predecessors, (36520), 35401 states have call successors, (36520) [2021-12-18 09:46:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134242 states to 134242 states and 200866 transitions. [2021-12-18 09:46:41,308 INFO L78 Accepts]: Start accepts. Automaton has 134242 states and 200866 transitions. Word has length 325 [2021-12-18 09:46:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:41,308 INFO L470 AbstractCegarLoop]: Abstraction has 134242 states and 200866 transitions. [2021-12-18 09:46:41,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:46:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 134242 states and 200866 transitions. [2021-12-18 09:46:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-18 09:46:41,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:41,696 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:41,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:46:41,696 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:41,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2083471022, now seen corresponding path program 1 times [2021-12-18 09:46:41,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:41,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697318901] [2021-12-18 09:46:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:41,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:46:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:46:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:46:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:46:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 09:46:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 09:46:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 09:46:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 09:46:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 09:46:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 09:46:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:46:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:46:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:46:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 09:46:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:46:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 09:46:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 09:46:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 09:46:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:46:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:46:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:46:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:46:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:46:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 09:46:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 09:46:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 09:46:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 09:46:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-12-18 09:46:42,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:42,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697318901] [2021-12-18 09:46:42,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697318901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:42,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:42,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:42,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835712331] [2021-12-18 09:46:42,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:42,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:42,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:42,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:42,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:42,258 INFO L87 Difference]: Start difference. First operand 134242 states and 200866 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 09:47:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:03,206 INFO L93 Difference]: Finished difference Result 410693 states and 616357 transitions. [2021-12-18 09:47:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:47:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 322 [2021-12-18 09:47:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:05,128 INFO L225 Difference]: With dead ends: 410693 [2021-12-18 09:47:05,128 INFO L226 Difference]: Without dead ends: 276482 [2021-12-18 09:47:06,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:47:06,010 INFO L933 BasicCegarLoop]: 5166 mSDtfsCounter, 11133 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 7306 mSolverCounterSat, 9064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12115 SdHoareTripleChecker+Valid, 11806 SdHoareTripleChecker+Invalid, 16370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9064 IncrementalHoareTripleChecker+Valid, 7306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:06,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12115 Valid, 11806 Invalid, 16370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9064 Valid, 7306 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2021-12-18 09:47:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276482 states.